atmega48a, atmega48pa, atmega88a, atmega88pa,...

Rev. 8271G-02/2013, 8271GJ2-11/2013

4/8/16/32K Atmel 8

ATmega48A, ATmega48PA, ATmega88A, ATmega88PA,ATmega168A, ATmega168PA, ATmega328, ATmega328P

Atmel[]

Atmel AVR 8 RISC 129(1) 321 20MHz20MIPS 2 4K/8K/16K/32K(2K/4K/8K/16K) 256/512/512/1KEEPROM 512/1K/1K/2KSRAM : 10,000/, 100,000/EEPROM : 20/85, 100/25 Atmel QTouch QTouchQMatrix 64 28 / 116 / 8 /(RTC) 6PWM 6(PDIP,QFN/MLF28), 8(TQFP,QFN/MLF32)10 A/D USART /SPI 2(Philips I2C) ON(BOD) RC A/D 6 I/O 23I/O 28PDIP28QFN/MLF32TQFP32QFN/MLF -4085 1.85.5V 04MHz/1.85.5V 010MHz/2.75.5V 020MHz/4.55.5V (1MHz,1.8V,25) 0.2mA () 0.1A () 0.75A (,32kHz RTC)

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P [] 2

1.

12345678

2423222120191817

26

28

30

32

31

29

27

25

15

13

119 10

12

14

16

PD

2(IN

T0/PC

INT

18)

(PC

INT

0/C

LK

O/IC

P1)PB

0(P

CIN

T1/O

C1A

)PB

1

(PCINT6/XTAL1/TOSC1) PB6(PCINT7/XTAL2/TOSC2) PB7

(PC

INT

3/M

OSI/

OC

2A

)PB

3

(PCINT19/OC2B/INT1) PD3(PCINT20/XCK/T0) PD4

GNDVCC

(PC

INT

21/O

C0B

/T

1)PD

5(P

CIN

T22/O

C0A

/A

IN0)PD

6(P

CIN

T23/A

IN1)PD

7

VCC

PC

3(A

DC

3/PC

INT

11)

PC

2(A

DC

2/PC

INT

10)

(PC

INT

4/M

ISO

)PB

4

PC1 (ADC1/PCINT9)PC0 (ADC0/PCINT8)ADC7GNDAREF

AVCCPB5 (SCK/PCINT5)

ADC6

PD

1(T

XD

/PC

INT

17)

PD

0(R

XD

/PC

INT

16)

PC

6(R

ESET

/PC

INT

14)

PC

5(A

DC

5/SC

L/PC

INT

13)

PC

4(A

DC

4/SD

A/PC

INT

12)

(PC

INT

2/SS/O

C1B

)PB

2

TQFP32QFN/MLF32

GND()

: QFN/MLFGND

1234567

21201918171615

22

24

26

28

27

25

23

14

12

108 9 11

13

PD

2(IN

T0/PC

INT

18)

(PC

INT

1/O

C1A

)PB

1(P

CIN

T2/SS/O

C1B

)PB

2

(PCINT21/OC0B/T1) PD5

(PC

INT

4/M

ISO

)PB

4


VCCGND

(PC

INT

22/O

C0A

/A

IN0)PD

6(P

CIN

T23/A

IN1)PD

7(P

CIN

T0/C

LK

O/IC

P1)PB

0

(PCINT7/XTAL2/TOSC2) PB7

PC

3(A

DC

3/PC

INT

11)

PC2 (ADC2/PCINT10)PC1 (ADC1/PCINT9)PC0 (ADC0/PCINT8)GNDAREF

PB5 (SCK/PCINT5)AVCC

PD

1(T

XD

/PC

INT

17)

PD

0(R

XD

/PC

INT

16)

PC

6(R

ESET

/PC

INT

14)

PC

5(A

DC

5/SC

L/PC

INT

13)

PC

4(A

DC

4/SD

A/PC

INT

12)

(PC

INT

3/M

OSI/

OC

2A

)PB

3

QFN/MLF28

(PCINT6/XTAL1/TOSC1) PB6()

PDIP28

123456789

(PCINT14/RESET) PC6(PCINT16/RXD) PD0(PCINT17/TXD) PD1(PCINT18/INT0) PD2


VCCGND

(PCINT6/XTAL1/TOSC1) PB6

(PCINT0/CLKO/ICP1) PB0

10

28272625242322212019(PCINT7/XTAL2/TOSC2) PB7

PC5 (ADC5/SCL/PCINT13)PC4 (ADC4/SDA/PCINT12)PC3 (ADC3/PCINT11)PC2 (ADC2/PCINT10)PC1 (ADC1/PCINT9)PC0 (ADC0/PCINT8)GNDAREFAVCC

(PCINT22/OC0A/AIN0) PD6(PCINT23/AIN1) PD7

(PCINT21/OC0B/T1) PD5PB5 (SCK/PCINT5)PB4 (MISO/PCINT4)PB3 (MOSI/OC2A/PCINT3)PB2 (SS/OC1B/PCINT2)PB1 (OC1A/PCINT1)

11121314

18171615

1-1. 32UFBGA (ATmega328/328P)

1 2 43 5 6

A PD2 PD1 PC4PC6 PC2 PC1

B PD3 PD4 PC5PD0 PC3 PC0

C GND GND ADC7 GND

D VCC VCC AREF ADC6

E PB6 PD6 PB2PB0 AVCC PB5

F PB7 PD5 PB1PD7 PB3 PB4


1.1.

1.1.1. VCC

1.1.2. GND

1.1.3. PB7PB0 (B) XTAL1/XTAL2 TOSC1/TOSC2

1.1.4. PC5PC0 (C)

1.1.5. PC6/RESET

1.1.6. PD7PD0 (D)

1.1.7. AVCC

1.1.8. AREF

1.1.9. ADC7,6 (TQFP,QFN/MLF32)

B()8B/LowBBHi-Z

PB6

PB7

RC() (ASSR)(AS2)(1)PB7,6/2TOSC2,1

B48B17

C()7C/LowCCHi-Z

RSTDISBL(0)PC6I/OPC6C

RSTDISBL(1)PC6Low19729-12.

C51C

D()8D/LowDDHi-Z

D53D

AVCCADC7,6C(30)A/D()A/DVCCA/DVCCC(5,4)(:VCC)

AREFA/D()

TQFPQFN/MLF32ADC7,ADC6A/D10A/D


2. ATmega48A/48PA/88A/88PA/168A/168PA/328/328PAVR RISCCMOS 8 1MHz1MIPS

2.1.

2-1.

AVR CPU

RC

POR/BOD

WIRE

SRAM

EEPROM

/0(8)

/1(16)

/2(8)

A/D

USART SPI2

D (8) B (8) C (7)

8bit DATA BUS

XTAL1,XTAL2

GND VCC

AVCC

GNDAREF

RESET

PD0PD7 PC0PC6PB0PB7 ADC6,7(32P)

AVR3232ALU(Arithmetic Logic Unit)1AVRCISC 10

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P4K/8K/16K/32K 256/512/512/1KEEPROM512/1K/1K/2KSRAM23323/USART2SPI8(32), 6(28)10 A/D 5SRAM/SPI ()A/DA/DA/DCPU/


AtmelAVR QTouch(AKS)QTouch Suite

Atmel(ISP) SPIAVR 8RISCCPUAtmel ATmega48A/48PA/88A/88PA/168A/168PA/328/ 328P

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P AVRC

2.2.

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P 2-1.

2-1.

SRAMEEPROM

2564KATmega48A/48PA 512 1/

5128KATmega88A/88PA 1K 1/

51216KATmega168A/168PA 1K 2/

1K32KATmega328/328P 2K 2/

ATmega88A/88PA/168A/168PA/328/328PSPMATmega48A/48PA SPM

3. http://www.atmel.com/avr

4. 20/85100/251PPM

5. CCC

I/OI/OIN, OUT, SBIS, SBIC, CBI, SBII/OSBRS, SBRC, SBR, CBRLDS, STS

6. AtmelQTouchAtmelAVR QTouchQTouchQMatrix

QTouchAPIAPI

QTouchAtmelwww.atmel.com/qtouchlibraryAtmelQTouch
http://www.atmel.com/qtouchlibraryhttp://www.atmel.com/dyn/resources/prod_documents/doc8207.pdf


7. AVR CPU

7.1.

AVRCPUCPU

AVR 1

13281ALU(Arithmetic Logic Unit)ALU2 1

326316 1 16X,Y,Z

ALUALU (SREG)

/AVR16() (:)1632

2 SPM ()

(PC)SRAMSRAMSRAM() (SP)SPI/OSRAMAVR5

AVR

I/O (SREG)(I)

I/OSPII/OCPU64I/O $20$5FATmega48A/48PA/88A/88PA/168A/168PA/328/328PST/STS/STDLD/LDS/LDDSRAM$60$FFI/O

7.2. ALU (Arithmetic Logic Unit)

AVRALU32ALU3()()

/

SPI

2

8-bit Data Bus

328

ALU

SRAM

EEPROM

7-1. AVR MCU

n

1

(Indirect)

(D

irect)


7.3.

ALU

()

7.3.1. SREG - (Status Register)

AVR (SREG)

I T H S V N Z C7 6 5 4 3 2 1 0

SREG$3F ($5F)

R/WR/WR/WR/WR/WR/WR/WR/W

00000000Read/Write

7 - I : (Global Interrupt Enable)

(1)(0)I(0)RETI(1)ISEICLI()(1)(0)

6 - T : (Bit Copy Storage)

BLD(Bit LoaD)BST(Bit STore)T BSTTTBLD

5 - H : (Half Carry Flag)

(H)BCD

4 - S : (Sign Bit, S= N Ex-OR V)

S(N)2(V)

3 - V : 2 (2's Complement Overflow Flag)

2(V)2

2 - N : (Negative Flag)

(N)(MSB=1)

1 - Z : (Zero Flag)

(Z)(0)

0 - C : (Carry Flag)

(C)()


7.4.

AVRRISC

1818 2818 28116 116116

7-2.CPU32

7-2.32 SRAMX,Y,Z()

R0R1R2

R13R14R15R16R17

R26R27R28R29R30R31

$00$01$02

$0D$0E$0F$10$11

$1A$1B$1C$1D$1E$1F

7 0

X

Y

Z

7-2. AVR CPU

7.4.1. X, Y, Z

R26R3116 3X,Y,Z 7-3.

()

R27 ($1B)7 0 7 0R26 ($1A)15 0

X XH () XL ()

R29 ($1D)7 0 7 0R28 ($1C)15 0

Y YH () YL ()

R31 ($1F)7 0 7 0R30 ($1E)15 0

Z ZH () ZL ()

7-3. X,Y,Z

7.5.

(:) SRAMPUSH

SRAM SRAM SRAM118-3.

7-1.

7-1.

PUSH -1

CALL,ICALL,RCALL -2

POP +1

RET,RETI +2

AVR I/O28 ()SPLAVR()SPH


7.5.1. SPH,SPL (SP) - (Stack Pointer)

15 14 13 12 11 10 9 8SPH$3E ($5E)

R/WR/WR/WR/WRRRR

RAMENDRAMENDRAMENDRAMENDRAMENDRAMENDRAMENDRAMENDRead/Write

7 6 5 4 3 2 1 0SPL$3D ($5D)


RAMENDRAMENDRAMENDRAMENDRAMENDRAMENDRAMENDRAMENDRead/Write

- - - - (SP11) (SP10) SP9 SP8

SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0

() SRAMATmega48A/48PA512($0100$02FF)ATmega88A/88PA/168A/168PA1K($0100$04FF)ATmega328/328P2K($0100$08FF)ATmega48A/48PASPHSP11,10ATmega88A/88PA/168A/ 168PASP11RAMENDATmega48A/48PA$02FF(0000 0010 1111 1111)ATmega88A/88PA/16 8A/168PA$04FF(0000 0100 1111 1111)ATmega328/328P$08FF(0000 1000 1111 1111)

7.6.

AVR CPU()CPU(clkCPU)

7-4. MHz1MIPS

7-5. 2 ALU

CPU clkCPU

/2

2/3

3/4

T1 T2 T3 T4

7-4.

CPU clkCPU

ALU

T1 T2 T3 T4

7-5. 1ALU

7.7.

AVR (SREG)(I)1BLB02BLB12 (0) 181

340(INT0)MCU(MCUCR)(IVSEL)(1) 34 BOOTRST(0) 171 ()

[]


(I)(0)(I)1(I)(RETI)(1)

21(I) (0)(0)1(0)(0)(1)(0)()(I)(0)1(1)(I)(1)(I=1)

2()

AVR1

(SREG)

CLICLICLIEEPROM

IN R16,SREG ; CLI ;EEPROM SBI EECR,EEMPE ;EEPROM SBI EECR,EEPE ;EEPROM OUT SREG,R16 ;

C

char cSREG; /* */ cSREG = SREG; /* */ __disable_interrupt(); /* EEPROM */ EECR |= (1


8. AVR

8.1. ATmega48A/48PA/88A/88PA/168A/168PA/328/328PAVR 2EEPROM3

8.2.

4 K/8K/16K/32K AVR1632 2K/4K/8K/16K16 ATmega88A/88 PA/168A/168PA/328/328P 2180SPM/SPM(SPMEN)

10,000/ATmega48A/48PA/88A/88PA/168A/168PA/328/328P (PC)11/12/13/142K/4K/8K/16K 166 - ATmega48A/48PA171 ()181 SPI

(LPM)

9

$0000

$07FF

8-1. ATmega48A/48PA

$0000

$0FFF/$1FFF/$3FFF

8-2. ATmega88A/88PA/168A/ 168PA/328/328P

8.3. SRAM

8-3.ATmega48A/48PA/88A/88PA/168A/168PA/328/32 8PSRAM

ATmega48A/48PA/88A/88PA/168A/168PA/328/328PINOUT64 SRAM()$60$FFI/OLD/LDS/LDDST/STS /STD

768/1280/1280/2304 I/OI/OSRAM32 64I/O160I/O512/1024/1024/2048SRAM

5 () R26R31

YZ63

()X,Y,Z (-1)(+1)

3264I/O160I/O512/1K/1K/2KSRAM 8

8-3.

R0R31$00$3F

$0100

$0xFF

(328)

I/O(648)

SRAM(512/1K/1K/2K8)

$0000

$001F$0020

$005F

$0100

$02FF/$04FF/$04FF/$08FF

: I/O

$0060

$00FF

I/O(1608)

$0060

$00FF

CPU clkCPU

WR

T1 T2 (T1)

8-4. SRAM

RD

8.3.1.

SRAM8-4.2clkCPU

() SRAMT1,T22T1/()/T2(T1)T1


8.4. EEPROM

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P256/512/512/1KEEPROMEEPROM100,000/CPUEEPROMEEPROM EEPROM EEPROM

181 SPI

8.4.1. EEPROM

EEPROM I/O

EEPROM/(:)8-1.()EEPROM/VCCEEPROM

EEPROMEEPROM14(:)

EEPROMCPU4EEPROMCPU2

8.4.2. EEPROM

VCCCPUEEPROMEEPROMEEPROM

EEPROM21EEPROM2CPU

EEPROM

AVRRESET(Low)(BOD)BODVCC()

8.5. I/O ()

ATmega48A/48PA/88A/88PA/168A/168PA/328/328PI/O405

ATmega48A/48PA/88A/88PA/168A/168PA/328/328PI/OI/OI/OI/O32LD/LDS/LDDST/STS/STD$00$1FI/OSBICBI SBISSBICI/OINOUTI/O$00$3FLDSTI/O$20ATmega48A/48PA/88A/88PA/168A/168PA/328/328PINOUT64 SRAM( )$60$FFI/OLD/LDS/LDDST/STS/STD

0I/O

1(0)CBISBIAVRCBISBI(I/O)$00$1F

I/O

8.5.1. I/O

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P3I/O(I/O)$00$1FI/OSBI,CBI,SBIS,SBIC


8.6.

8.6.1. EEARH,EEARL (EEAR) - EEPROM (EEPROM Address Register)

15 14 13 12 11 10 9 8EEARH$22 ($42)

R/WR/WRRRRRR

000000Read/Write

7 6 5 4 3 2 1 0EEARL$21 ($41)


Read/Write

EEAR6 EEAR5 EEAR4 EEAR3 EEAR2 EEAR1 EEAR0EEAR7

(EEAR8)- - - - - - (EEAR9)

1510 - (Reserved)

0

90 - EEAR90 : EEPROM (EEPROM Address)

EEPROM (EEARHEEARL)256/512/512/1KEEPROMEEPROMEEPROM 0255/511/511/1023EEAREEPROM

: EEAR9ATmega48A/48PA/88A/88PA/168A/168PAEEAR8ATmega48A/48PA0

8.6.2. EEDR - EEPROM (EEPROM Data Register)

(MSB) (LSB)7 6 5 4 3 2 1 0

EEDR$20 ($40)


00000000Read/Write

70 - EEDR70 : EEPROM (EEPROM Data)

EEPROMEEDREEPROM (EEAR)EEPROMEEPROMEEDREEAREEPROM

8.6.3. EECR - EEPROM (EEPROM Control Register)

- - EEPM1 EEPM0 EERIE EEMPE EEPE EERE7 6 5 4 3 2 1 0

EECR$1F ($3F)

R/WR/WR/WR/WR/WR/WRR

00000Read/Write

7,6 - (Reserved)

0

5,4 - EEPM1,0 : EEPROM (EEPROM Programing Mode Bits)

EEPROMEEPROM (EEPE)1()2()8-1.EEPE(1)EEPMnEEPMnEEPROM'00'

3 - EERIE : EEPROM (EEPROM Ready Interrupt Enable)

EERIE1 (SREG)(I)(1)EEPROMEERIE0EEPROM( EEPROM)EEPROMSPM

8-1. EEPROM

EEPM0 EEPM1

0 1()3.4ms0

1 1.8ms0

0 1.8ms1

1 -1


2 - EEMPE : EEPROM (EEPROM Master Program Enable)

EEMPEEEPROM(EEPE)1EEMPE(1)4EEPE(1)EEPROMEEMPE0EEPE(1)EEMPE(1)40EEPROMEEPE

1 - EEPE : EEPROM (EEPROM Program Enable)

EEPROM(EEPE)EEPROMEEPE(1)EEPROMEEPMn1EEPEEEPROM(EEMPE)1EEPROM()EEPROM()

EEPROM(EEPE)0

SPM/(SPMCSR)SPM(SPMEN)0

EEPROMEEPROM (EEAR)()

EEPROMEEPROM (EEDR)()

EEPROM(EECR)EEPROM(EEMPE)1EEPROM(EEPE)0

EEMPE4EEPROM(EEPE)1

CPU EEPROM()EEPROM ()CPU CPU 171 ()

: EEPROMEEPROMEEPROMEEAREEDREEPROM (SREG)(I)(0)

()EEPROM(EEPE)(0)EEPE(1)CPU2

0 - EERE : EEPROM (EEPROM Read Enable)

EEPROM(EERE)EEPROMEEAREEPROMEERE1EEPROM()1EEPROMCPU4

EEPE()EEPROM (EEAR)EEPROM

EEPROMRC8-2.CPUEEPROM

8-2. EEPROM

EEPROM(CPU) 3.3ms

RC

26,368

Typ

() EEPROM

8.6.a.

EEPROMEEAREEDREEPMn'00'(EEMPE14)EEPE1/18-1.EEPE(1)EEPROM

8.6.b.

2()()


CEEPROM() EEPROMSPM (:)

EEPROM_WR: SBIC EECR,EEPE ;EEPROM RJMP EEPROM_WR ;EEPROM; LDI R19,(0


8.6.4. GPIOR2 - I/O2 (General Purpose I/O Register 2)

(MSB) (LSB)7 6 5 4 3 2 1 0

GPIOR2$2B ($4B)


00000000Read/Write


(MSB) (LSB)7 6 5 4 3 2 1 0

GPIOR1$2A ($4A)


00000000Read/Write


(MSB) (LSB)7 6 5 4 3 2 1 0

GPIOR0$1E ($3E)


00000000Read/Write


9.

9.1.

9-1.AVR23

9.1.1. CPU clkCPU

9.1.2. I/O clkI/O

9.1.3. clkFLASH

9.1.4. clkASY

9.1.5. A/D clkADC

CPUAVR CPU

I/O/SPIUSARTI/OI/OI/O2(TWI)clkI/OTWI(:)

CPU

32kHz//

A/DCPUI/OA/D

9.2.

AVR

9-1.

AVR

/

A/D CPU SRAM EEPROM

RC

RC

/

clkADC clkCPUclkFLASH

clkI/OclkASY

9-1.

01110110

: 1=0=

CKSEL30

11111000

01010100

128kHz(WDT) 0011

RC 0010

0000

() 0001

9.2.1.

8.0MHzRCCKDIV8(0)1.0MHz (CKSEL=0010, SUT=10, CKDIV8=(0))


9.2.2.

VCC

VCC (tTOUT)28(tTOUT)SUTCKSEL9-2.206

AVRVCCAVRVCC(BOD)BODVCC(BOD)

()632K

VCC

9-2. WDT

0ms 00ms

VCC=3.0V VCC=5.0V

4.3ms 5124.1ms

69ms 8K (8192)65ms

9.3.

XTAL1XTAL29-2.

XTAL219

C1C29-3.

39-3.CKSEL31

CKSEL0SUT1,09-4.

9-2.

XTAL2/TOSC2

C2

C1XTAL1/TOSC1GND

9-3.

C1,2

-

1222pF

0.40.9MHz100 (1)

101 0.93.0MHz

1222pF3.08.0MHz

1222pF8.016MHz

110

111

CKSEL31

: CKSEL

: (VCC)CKDI V8=0

1:

9-4. /

CKSEL0,

(VCC=5.0V)

0 0

0 1

1 0

1 1

0 0

0 1

1 0

1 1

258CK

258CK

1KCK

1KCK

1KCK

16KCK

16KCK

16KCK

14CK+4.1ms

14CK+65ms

14CK

14CK+4.1ms

14CK+65ms

14CK

14CK+4.1ms

14CK+65ms

(BOD)

(BOD)

(1)

(1)

(2)

(2)

(2)

SUT1,0

0

1

1:

2:


9.4.

XTAL1XTAL29-3.

XTAL218VCC=2.75.5V

C1C29-5.

9-5.CKSEL31

CKSEL0SUT1,09-6.

9-5.

C1,2

1222pF

0.420MHz011

CKSEL31: (VCC)CKDI

V8=0

9-3.

XTAL2/TOSC2

C2

C1XTAL1/TOSC1GND

9-6. /

CKSEL0,

(VCC=5.0V)

0 0

0 1

1 0

1 1

0 0

0 1

1 0

1 1

258CK

258CK

1KCK

1KCK

1KCK

16KCK

16KCK

16KCK

14CK+4.1ms

14CK+65ms

14CK

14CK+4.1ms

14CK+65ms

14CK

14CK+4.1ms

14CK+65ms

(BOD)

(BOD)

(1)

(1)

(2)

(2)

(2)

SUT1,0

0

1

1:

2:

9.5.

32.768kHz(ESR)ATmega48A/48PA/88A/88PA/168A/ 168PA/328/328P6.5pF,9pF,12.5pFESR9-7.

TOSC9-8.

9-7. 32.768kHzESR

1: ESR

ESR (k) (1) (CL:pF)

6.5 75

9.0 65

12.5 30

9-8.

(pF)32kHz

XTAL1/TOSC1 XTAL2/TOSC2

18 8

/ 18 8

TOSC(C)

Ce+Ci = 2CL-Cs

Ce : 189-2.Ci : 9-8.CL : 32.768kHzCs : 1TOSC

9-8.(CL)189-2.()

9-10.CKSEL'0100''0101'9-9.SUT


9-9.

(VCC=5.0V)

0 0

0 1

1 0

1 1

14CK

14CK+4.1ms

14CK+65ms

()

BOD

SUT1,0

9-10.

,

0 1 0 0

0 1 0 1

1KCK

32KCK

(1)

CKSEL30

1:

9.6. RC

RC8.0MHz19729-10.CKDIV8(0)21

9-11.CKSEL (OSCCAL)RC29-10.

OSCCAL((OSCCAL))29-10.

() 183

9-12.SUTPB6(XTAL1/TOSC1)PB7(XTAL2/TOSC2)I/O/(:)

9-11. RC

(MHz)

7.38.10 0 1 0

CKSEL30:

: 8MHz(VCC)8CKDIV8(0)

9-12. RC

,

(VCC=5.0V)

0 0

0 1

1 0

1 1

6CK

6CK

6CK

14CK

14CK+4.1ms

14CK+65ms

(BOD)

(1)

SUT1,0

()

1:

2: RSTDISBL(0)14CK+4.1ms

(2)

9.7. 128kHz

128kHz128kHz3V,259-13.CKSEL'0011'()

9-14.SUT

9-13. 128kHz

128kHz0 0 1 1

CKSEL30

: 128kHz

9-14. 128kHz

,

0 0

0 1

1 0

1 1

6CK

6CK

6CK

14CK

14CK+4ms

14CK+64ms

()

(BOD)

SUT1,0

(1)

1: RSTDISBL(0)14CK+4.1ms


9.8.

XTAL19-4.CKSEL'0000'()(9-15.)

9-16.SUT

9-15.

020MHz0 0 0 0

CKSEL30

9-4.

XTAL2

XTAL1

GND

PB7

9-16.

,

(VCC=5.0V)

0 0

0 1

1 0

1 1

6CK

6CK

6CK

14CK

14CK+4.1ms

14CK+65ms

()

(BOD)

SUT1,0

MCU2%MCU

9.9. ()

CLKOCKOUT(0)(0)I/OCLKORC CKOUT(0)

9.10. /

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P/19

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P/(TOSC1TOSC2)XTA1,XTAL2/ 4/ RC

(ASSR)(EXCLK)1TOSC132.768kHz98/2

9.11.

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P (CL KPR)()CPUclkCPUclkFLASHclkI/OclkADC9-17.

() CPU()1CLKPS()T1+T2T1+2T22T1T2

CLKPS

(CLKPCE)1CLKPR0

()4CLKPCE0CLKPS


9.12.

9.12.1. OSCCAL - (Oscillator Calibration Register)

CAL7 CAL07 6 5 4 3 2 1 0

OSCCAL($66)


Read/Write

CAL6 CAL5 CAL4 CAL3 CAL2 CAL1

70 - CAL70 : (Oscillator Calibration Value)

19729-10.29-10.

EEPROM EEPROM8.8MHz EEPROM

CAL7(0)(1)2OSCCAL=$7FOSCCAL=$80

CAL60$00$7F

9.12.2. CLKPR - (Clock Prescale Register)

CLKPCE - - - CLKPS3 CLKPS2 CLKPS1 CLKPS07 6 5 4 3 2 1 0

CLKPR($61)

R/WR/WR/WR/WRRRR/W

0000Read/Write

7 - CLKPCE : (Clock Prescaler Change Enable)

CLKPSCLKPCE1CLKPCECLKPR0CLKPCE4CLKPS(0)(4)CLKPCECLKPCE(0)

30 - CLKPS30 : (Clock Prescaler Select Bits 30)

MCU9-17.

CKDIV8CLKPSCKDIV8(1)CLKPS'0000'CKDIV8(0)CLKPS8'0011'CKDIV8CLKPSCKDIV8(0)

9-17.

CLKPS3

() 1 4 16 64 256 ()

CLKPS2

CLKPS1 0 1 0 1 0 1 0 1

CLKPS0 0 0 0 0 0 0 0 0

2

0 1

8 32 128

0 1 0 1

1 1 1 1 1 1 1 1


10. MCUAVR

(BOD)BOD(BOD)

10.1.

179-1.ATmega48A/48PA/88A/88PA/168A/168PA/328/328P10-1.BOD()

: (BOD)ATmega48PA/88PA/168PA/328P

10-1.

()

INT1INT0

clkC

PU

clkF

LA

SH

clkI

O

clkA

DC

clkA

SY /

2

SPMEEPROM

TWI

A/D

I/O

BOD

A/D

(1)

(1)

1: /2(ASSR)(AS2)(1) INT1INT0

6(SMCR)(SE)1SLEEPSMCR(SM20)SLEEP()(A/D)2610-2.

MCUMCUMCU4SLEEP SRAMMCU

10.2. (BOD) (: ATmega48PA/88PA/168PA/328PpicoPower)

(BOD)18228-6.28-7.BODLEVELBODBOD10-1.BODBODBODOFFBODVCC

BODMCUBOD60s

BODMCU(MCUCR)6BOD(BODS)26MCUCR - MCU1BODOFF0BOD()BODBODS0

BODS26MCUCR - MCU

10.3.

(SM20)'000'SLEEPMCUCPUSPIUSAR TA/D2/clkCPUclkFLASH

MCUUSART/(ACSR)(ACD)(1)A/D


10.4. A/D

(SM20)'001'SLEEPMCUA/DCPUA/D2/2()()clkI/O, clkCPU, clkFLASH

A/DA/DA/D (BOD)2/2SPM/EEPROMINT0INT1A/DMCU

: /28 /2 (PWM)

10.5.

SM20'010'SLEEPMCU2() (BOD)2INT0INT1MCU

: MCUMCU4017 SUTCKSEL

()17CKSEL

10.6.

SM20'011'SLEEPMCU()1

/2() (SREG)(I)(1)/2(TIMSK2)/2(TOIE2)x(OCIE2 x)(1)

/2()

/2/2//2/2

10.7.

/SM20'110'SLEEPMCU()()6

10.8.

/SM20'111'SLEEPMCU()()6

10.9.

(27(PRR))I/O (PRR)(0)


10.10.

AVR

10.10.1. A/D (ADC)

A/DA/DA/DOFFON()()A/D155A/D

10.10.2.

A/D153

10.10.3. (BOD)

(BOD)OFFBODLEVEL(BOD)29(BOD)

10.10.4.

(BOD)A/D()ON30

10.10.5.

OFF 30

10.10.6.

I/O(clkI/O)A/D(clkADC)46VCC/2

VCC/2(DIDR0DIDR1)154DIDR1 - 1164DIDR0 - 0

10.10.7. (dW)

DWEN


10.11.

10.11.1. SMCR - (Sleep Mode Control Register)

- - - - SM2 SM1 SM0 SE7 6 5 4 3 2 1 0

SMCR$33 ($53)

R/WR/WR/WR/WRRRR

00000000Read/Write

74 - (Reserved)

0

31 - SM20 : (Sleep Mode Select Bit 2, 1 and 0)

10-2.61

10-2.

SM2

0

A/D

0

SM0

0

0

0

1

0

1

SM1

0

1

0

1

1 ()

()1

0

1

0

0

1

1

0

1

1

1

()

()

:

0 - SE : (Sleep Enable)

SLEEPMCU(SE)1MCUSLEEP(SE)(1)(0)

10.11.2. MCUCR - MCU (MCU Control Register)

- BODS() BODSE() PUD - - (IVSEL) (IVCE)7 6 5 4 3 2 1 0

MCUCR$35 ($55)

R/WR/WRRR/WR/WR/WR

00000000Read/Write

: ATmega48PA/88PA/164PA/328P

6 - BODS : BOD (BOD Sleep) ()

BODOFFBODS12310-1.BODSMCUCRBOD(BODSE)BODBODSBODSE1BODS BODS14BODSE0

BODS3()SLEEPBODOFFBODS()BODS3(0)

5 - BODSE : BOD (BOD Sleep Enable) ()

BODSEBOD(BODS)BODSBOD

: ATmega48PA/88PA/168PA/328PpicoPower


10.11.3. PRR - (Power Reduction Register)

PRTWI PRTIM2 PRTIM0 - PRTIM1 PRSPI PRUSART0 PRADC7 6 5 4 3 2 1 0

PRR($64)

R/WR/WR/WR/WRR/WR/WR/W

00000000Read/Write

7 - PRTWI : 2 (Power Reduction TWI)

12(TWI)TWITWI

6 - PRTIM2 : /2 (Power Reduction Timer/Counter2)

1((AS2)=0)/2/2


1/0/0

4 - (Reserved)

0


1/1/1

2 - PRSPI : (Power Reduction Serial Peripheral Interface)

WIRE1

1(SPI)SPISPI

1 - PRUSART0 : USART0 (Power Reduction USART0)

1USARTUSARTUSART

0 - PRADC : A/D (Power Reduction ADC)

1A/D(ADC)A/DA/DADC

: 154ACSR - /(ACD)(:)


11.

11.1. AVR

I/O ATmega168A/168PA/328/3 28P JMP()ATmega48A/48PA/88A/88P A RJMP() (ATmega88A/88PA/168A/168PA/328/328P)11-1.29-12.

AVRI/O

()CKSEL17

11.2.

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P4

ON ON(VPOT)MCU

RESETLowMCU

MCU

(VCC)(VBOT)MCU

11-1.

ON

Q

R

S

Q

3060k

RESET

VCC

PO

RF

BO

RF

EX

TRF

WD

RF

MCU(MCUSR)

8-bit D

ata

Bus

CKSEL30

CK

BODLEVEL20

WDTRC

SUT1,0

RSTDISBL


11.3. ON

ON(POR)197PORVCC()POR

ONON(VPOT)VCC()VCC

11-2. ON (RESETVCC)

VCC

RESET

VPOT

VRST

tTOUT

11-3. RESETON

VCC

RESET

VPOT

VRST

tTOUT

11.4.

RESETLow(197) (VRST)()(tTOUT)MCURSTDISBL18228-6.28-7.

11-4.

VRST

VCC

RESET

tTOUT

11.5. ()

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P()VCC(BOD)BODBODLEVELBODVBOT+= VBOT +VHYST/2VBOT-=VBOT-VHYST/ 2

BODVCC(11-5.VBOT-)VCC(11-5.VBOT+)()(tTOUT)MCU

BOD197tBODVCC

11-5.

VBOT+VCC

RESET

VBOT-

tTOUT

11.6.

()1CK (tTOUT) 30

11-6.

VCC

RESET

1 CK

tTOUT


11.7.

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P(BOD)A/D

11.7.1.

197ONON

(BODLEVEL(0)) ( /(ACSR)(ACBG)=1)A/D (A/D/A(ADCSRA)A/D(ADEN)=1)

(BOD)ACBG(=1)A/D(ADEN=1)A/DOFF3

11.8.

11.8.1.

3

16ms8s ON

11.8.2.

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P (WDT) (WDT)128kHzWDT (WDR)

WDT 1 WDT3 2

ON(WDTON)(0) (0) (WDE)(WDIE)'1''0'

(WDE)

()(WDCE)WDE1WDE1WDE

4()WDE (WDP30)WDCE(0)1()

11-7.

OSC

/32k

OSC

/64k

OSC

/128k

OSC

/256k

MCU

WDE

WDP0WDP1WDP2

OSC

/16k

OSC

/8k

OSC

/4k

OSC

/2k

(128kHz)R

OSC

/512k

OSC

/1024k

WDP3

WDIF

WDIE


OFFC()

WDT_OFF: CLI ; WDR ; IN R16,MCUSR ;MCUSR ANDI R16,~(1


11.9.

11.9.1. MCUSR - MCU (MCU Status Register)

MCUMCU

- - - - WDRF BORF EXTRF PORF7 6 5 4 3 2 1 0

MCUSR$34 ($54)

R/WR/WR/WR/WRRRR

0000Read/Write

74 - (Reserved)

0

3 - WDRF : (Watchdog Reset Flag)

(1)ON0(0)

2 - BORF : (Brown-Out Reset Flag)

(1)ON0(0)

1 - EXTRF : (External Reset Flag)

(1)ON0(0)

0 - PORF : ON (Power-on Reset Flag)

ON(1)0(0)

MCUSR(0)(0)


11.9.2. WDTCSR - (Watchdog Timer Control Register)

WDIF WDIE WDP3 WDCE WDE WDP2 WDP1 WDP07 6 5 4 3 2 1 0

WDTCSR($60)


0000000Read/Write

7 - WDIF : (Watchdog Interrupt Flag)

(1)WDIF(0)WDIF1(0) (SREG)(I)(WDIE)(1)

6 - WDIE : (Watchdog Interrupt Enable)

1 (SREG)(I)(1)(=1) (WDE)(0)

WDE(1) (WDIF)(1)WDIEWDIF(0) WDIE(1) ()

11-1.

WDE WDIEWDTON

0 01

0 11

1 01

1 11

x x0

: WDTON01

4 - WDCE : (Watchdog Change Enable)

(WDE)WDE(0)WDCE(1)

14WDCE(0)

3 - WDE : (Watchdog System Reset Enable)

WDEMCU(MCUSR) (WDRF)WDRF(1)WDE(1)WDE(0)WDRF(0)

5,20 - WDP30 : (Watchdog Timer Prescaler 3,2,1 and 0)

WDP30 11-2.

11-2.

WDP3 0 1

WDP2 10 0 1

WDP1 1 00 0 11 10

WDP0 0 00 1 11 0 00 1 11 00 11

WDT 2k 4k 8k 16k 32k 64k 128k 256k 512k 1024k

() (VCC=5V)

16ms 32ms 64ms 0.125s 0.25s 0.5s 1.0s 2.0s 4.0s 8.0s


12. ATmega48A/48PA/88A/88PA/168A/168PA/328/328PAVR9

ATmega48A/48PA,ATmega88A/88PA,ATmega168A/168PA,ATmega328/328P

ATmega168A/168PAATmega328/328P2ATmega48A/48PAATmega88A/88PA1

ATmega48A/48PA ATmega88A/88PA,ATmega168A/168PAATmega328/328P BOOTRSTMCU(MCUCR)(IVSEL)

12.1.

12-1.

ATmega48P/48PA

ATmega168A/168PA/

328/328P(2)

ATmega88A/88PA

(2)

1 $0000 ON, WDT, BOD$0000 (1)$0000 (1)

2 $0001 INT0 0$0002$0001

3 $0002 INT1 1$0004$0002

4 $0003 PCINT0 (PCI0) 0$0006$0003

5 $0004 PCINT1 (PCI1) 1$0008$0004

6 $0005 PCINT2 (PCI2) 2$000A$0005

7 $0006 WDT $000C$0006

8 $0007 /2 COMPA /2A$000E$0007

9 $0008 /2 COMPB /2B$0010$0008

10 $0009 /2 OVF /2$0012$0009

11 $000A /1 CAPT /1$0014$000A

12 $000B /1 COMPA /1A$0016$000B

13 $000C /1 COMPB /1B$0018$000C

14 $000D /1 OVF /1$001A$000D

15 $000E /0 COMPA /0A$001C$000E

16 $000F /0 COMPB /0B$001E$000F

17 $0010 /0 OVF /0$0020$0010

18 $0011 SPI STC SPI $0022$0011

19 $0012 USART RX USART $0024$0012

20 $0013 USART UDRE USART $0026$0013

21 $0014 USART TX USART $0028$0014

22 $0015 A/D ADC A/D$002A$0015

23 $0016 EEPROM EE_RDY EEPROM $002C$0016

24 $0017 ANA_COMP $002E$0017

25 $0018 2 TWI 2$0030$0018

26 $0019 SPM SPM_RDY SPM$0032$0019

1: BOOTRST(0) 171 ()

2: MCU(MCUCR)(IVSEL)(1) ()

() 12-1.,12-2.,12-4.,12-6.12-1.


12-3.BOOTRST()IVSEL( )

12-3.

BOOTRST IVSEL

ATmega88A/88PA ATmega168A/168PA/328/328P

$0001$00000 $0002(1)

$0001$00001 $0002

$00010 $0002(0)

$00011 $0002

: 17927-7.

() 12-3.,12-5.12-7.12-3. ATmega88A/88PA/168A/168PA/328/328P

ATmega48A/48PA/88A/88PA

$0000 RJMP RESET ;$0001 RJMP EXT_INT0 ;0$0002 RJMP EXT_INT1 ;1$0003 RJMP PCINT0 ;0$0004 RJMP PCINT1 ;1$0005 RJMP PCINT2 ;2$0006 RJMP WDT_OVF ;$0007 RJMP TIM2_COMPA ;/2A$0008 RJMP TIM2_COMPB ;/2B$0009 RJMP TIM2_OVF ;/2$000A RJMP TIM1_CAPT ;/1$000B RJMP TIM1_COMPA ;/1A$000C RJMP TIM1_COMPB ;/1B$000D RJMP TIM1_OVF ;/1$000E RJMP TIM0_COMPA ;/0A$000F RJMP TIM0_COMPB ;/0B$0010 RJMP TIM0_OVF ;/0$0011 RJMP SPI_STC ;SPI$0012 RJMP USART_RXC ;USART $0013 RJMP USART_UDRE ;USART $0014 RJMP USART_TXC ;USART $0015 RJMP ADC ;ADC$0016 RJMP EE_RDY ;EEPROM$0017 RJMP ANA_COMP ;$0018 RJMP TWI ;2$0019 RJMP SPM_RDY ;SPM;$001A RESET: LDI R16,HIGH(RAMEND) ;RAM$001B OUT SPH,R16 ; $001C LDI R16,LOW(RAMEND) ;RAM$001D OUT SPL,R16 ; ;I/O


ATmega88A/88PABOOTRST(1)2KMCU(MCUCR)(IVSEL)(1)

; (BOOTRST=1)$0000 RESET: LDI R16,HIGH(RAMEND) ;RAM ()$0001 OUT SPH,R16 ; $0002 LDI R16,LOW(RAMEND) ;RAM$0003 OUT SPL,R16 ; ;I/O

.ORG $0C01 ; 2K

$0C01 RJMP EXT_INT0 ;0$0C02 RJMP EXT_INT1 ;1

$0C19 RJMP SPM_RDY ;SPM

ATmega88A/88PABOOTRST(0)2K

.ORG $0001 ;

$0001 RJMP EXT_INT0 ;0$0002 RJMP EXT_INT1 ;1

$0019 RJMP SPM_RDY ;SPM ;

.ORG $0C00 ; 2K

; (BOOTRST=0)$0C00 RESET: LDI R16,HIGH(RAMEND) ;RAM ()$0C01 OUT SPH,R16 ; $0C02 LDI R16,LOW(RAMEND) ;RAM$0C03 OUT SPL,R16 ; ;I/O

ATmega88A/88PABOOTRST(0)2KMCU(MCUCR)(IVSEL)(1)

.ORG $0C00 ; 2K

$0C00 RJMP RESET ; (BOOTRST=0)$0C01 RJMP EXT_INT0 ;0$0C02 RJMP EXT_INT1 ;1

$0C19 RJMP SPM_RDY ;SPM;$0C1A RESET: LDI R16,HIGH(RAMEND) ;RAM ()$0C1B OUT SPH,R16 ; $0C1C LDI R16,LOW(RAMEND) ;RAM$0C1D OUT SPL,R16 ; ;I/O


ATmega168A/168PA/328/328P

$0000 JMP RESET ;$0002 JMP EXT_INT0 ;0$0004 JMP EXT_INT1 ;1$0006 JMP PCINT0 ;0$0008 JMP PCINT1 ;1$000A JMP PCINT2 ;2$000C JMP WDT_OVF ;$000E JMP TIM2_COMPA ;/2A$0010 JMP TIM2_COMPB ;/2B$0012 JMP TIM2_OVF ;/2$0014 JMP TIM1_CAPT ;/1$0016 JMP TIM1_COMPA ;/1A$0018 JMP TIM1_COMPB ;/1B$001A JMP TIM1_OVF ;/1$001C JMP TIM0_COMPA ;/0A$001E JMP TIM0_COMPB ;/0B$0020 JMP TIM0_OVF ;/0$0022 JMP SPI_STC ;SPI$0024 JMP USART_RXC ;USART $0026 JMP USART_UDRE ;USART $0028 JMP USART_TXC ;USART $002A JMP ADC ;ADC$002C JMP EE_RDY ;EEPROM$002E JMP ANA_COMP ;$0030 JMP TWI ;2$0032 JMP SPM_RDY ;SPM;$0034 RESET: LDI R16,HIGH(RAMEND) ;RAM$0035 OUT SPH,R16 ; $0036 LDI R16,LOW(RAMEND) ;RAM$0037 OUT SPL,R16 ; ;I/O

ATmega168A/168PA/328/328PBOOTRST(1)2KMCU(MCUCR)(IVSEL)(1)

; (BOOTRST=1)$0000 RESET: LDI R16,HIGH(RAMEND) ;RAM ()$0001 OUT SPH,R16 ; $0002 LDI R16,LOW(RAMEND) ;RAM$0003 OUT SPL,R16 ; ;I/O

.ORG $1C02/$3C02 ; 2K

$1C02/$3C02 JMP EXT_INT0 ;0$1C04/$3C04 JMP EXT_INT1 ;1

$1C32/$3C32 JMP SPM_RDY ;SPM


ATmega168A/168PA/328/328PBOOTRST(0)2K

.ORG $0002 ;

$0002 JMP EXT_INT0 ;0$0004 JMP EXT_INT1 ;1

$0032 JMP SPM_RDY ;SPM ;

.ORG $1C00/$3C00 ; 2K

; (BOOTRST=0)$1C00/$3C00 RESET: LDI R16,HIGH(RAMEND) ;RAM ()$1C01/$3C01 OUT SPH,R16 ; $1C02/$3C02 LDI R16,LOW(RAMEND) ;RAM$1C03/$3C03 OUT SPL,R16 ; ;I/O

ATmega168A/168PA/328/328PBOOTRST(0)2KMCU(MCUCR)(IVSEL)(1)

.ORG $1C00/$3C00 ; 2K

$1C00/$3C00 JMP RESET ; (BOOTRST=0)$1C02/$3C02 JMP EXT_INT0 ;0$1C04/$3C04 JMP EXT_INT1 ;1

$1C32/$3C32 JMP SPM_RDY ;SPM;$1C34/$3C34 RESET: LDI R16,HIGH(RAMEND) ;RAM ()$1C35/$3C35 OUT SPH,R16 ; $1C36/$3C36 LDI R16,LOW(RAMEND) ;RAM$1C37/$3C37 OUT SPL,R16 ; ;I/O


12.2.

12.2.1. - ATmega88A/88PA/168A/168PA/328/328P

MCU(MCUCR)



MCUCR$35 ($55)

R/WR/WRRR/WR/WR/WR

00000000Read/Write


1 - IVSEL : (Interrupt Vector Select)

IVSEL(0) (1) BOOTSZ171 ()IVSEL

(IVCE)1 4IVSEL0IVCE

IVCE(1)IVSELIVSEL4 (SRE G)(I)

: BLB02(0)BLB12(0) 171 ()

0 - IVCE : (Interrupt Vector Change Enable)

IVCE(IVSEL)1IVCEIVSELIVCE4(0)IVSELIVCE(1)()

MOVE_IVT: IN R16,MCUCR ;MCUCR MOV R17,R16 ;MCUCR ORI R16,(1


13. INT0,INT1PCINT023INT0,1PCINT023 PCI2PCINT1623PCI1PCINT814PCI0PCINT07(PCMSK0,PCMSK1,PCMSK2)PCINT023

INT0INT1()LowA(EICRA)INT0INT1Low()INT0INT117I/OINT0INT1LowI/O

: MCUMCU17 SUTCKSEL

13.1.

13-1.

13-1.

PCINTn

clk

QD

E

QD

PCMSKmPCINTn

QD QD QD PCIFm

A B C

D E

PCINTn

A:

B:

C:

D:

E:

clk

PCIFm

- - - - ISC11 ISC10 ISC01 ISC007 6 5 4 3 2 1 0

EICRA($69)

R/WR/WR/WR/WRRRR

00000000Read/Write

74 - (Reserved)

0

3,2 - ISC11,0 : 1 (Interrupt Sense Control 1 bit1 and 0)

1 (SREG)(I)(EIMSK)1(INT1)(1)INT1()INT113-1.INT11LowLow

13.2.

13.2.1. EICRA - A (External Interrupt Control Register A)

A

13-1. 1(INT1)

ISC11

0 INT1Low

INT1()

1 INT1

INT1

ISC10

0

1

0

1

0

1


1,0 - ISC01,0 : 0 (Interrupt Sense Control 0 bit1 and 0)

0 (SREG)(I)(EIMSK)0(INT0)(1)INT0()INT013-2.INT01LowLow

13-2. 0(INT0)

ISC01

0 INT0Low

INT0()

1 INT0

INT0

ISC00

0

1

0

1

0

1

13.2.2. EIMSK - (External Interrupt Mask Register)

- - - - - - INT1 INT07 6 5 4 3 2 1 0

EIMSK$1D ($3D)

R/WR/WRRRRRR

00000000Read/Write

72 - (Reserved)

0

1 - INT1 : 1 (External Interrupt Request 1 Enable)

(SREG)(I)(1)INT1(1)INT1A(EICRA)110(ISC11,ISC10)INT1Low()INT11INT1

0 - INT0 : 0 (External Interrupt Request 0 Enable)

(SREG)(I)(1)INT0(1)INT0A(EICRA)010(ISC01,ISC00)INT0Low()INT00INT0

13.2.3. EIFR - (External Interrupt Flag Register)

- - - - - - INTF1 INTF07 6 5 4 3 2 1 0

EIFR$1C ($3C)

R/WR/WRRRRRR

00000000

Read/Write

72 - (Reserved)

0

1 - INTF1 : 1 (External Interrupt Flag 1)

INT1INTF1(1) (SREG)(I)(EIMSK)1(INT1)(1)MCU(0)1(0)INT1(0)

0 - INTF0 : 0 (External Interrupt Flag 0)

INT0INTF0(1) (SREG)(I)(EIMSK)0(INT0)(1)MCU(0)1(0)INT0(0)


13.2.4. PCICR - (Pin Change Interrupt Control Register)

- - - - - PCIE2 PCIE1 PCIE07 6 5 4 3 2 1 0

PCICR($68)

R/WR/WR/WRRRRR

00000000Read/Write

73 - (Reserved)

0

2 - PCIE2 : 2 (Pin Change Interrupt Enable 2)

(SREG)(I)(1)PCIE2(1)2PCINT1623PCI2PCINT16232 (PCMSK2)





13.2.5. PCIFR - (Pin Change Interrupt Flag Register)

- - - - - PCIF2 PCIF1 PCIF07 6 5 4 3 2 1 0

PCIFR$1B ($3B)

R/WR/WR/WRRRRR

00000000

Read/Write

73 - (Reserved)

0

2 - PCIF2 : 2 (Pin Change Interrupt Flag 2)

PCINT1623PCIF2(1) (SREG)(I)(PCICR)2(PCIE2)(1)MCU(0)1(0)






13.2.6. PCMSK2 - 2 (Pin Change Enable Mask 1623)

PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT167 6 5 4 3 2 1 0

PCMSK2($6D)


00000000Read/Write

70 - PCINT23PCINT16 : 2316 (Pin Change Enable Mask 2316)

PCINT1623I/OPCINT1623(PCICR)PCIE2(1)I/OPCINT1623(0)I/O


- PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT87 6 5 4 3 2 1 0

PCMSK1($6C)

R/WR/WR/WR/WR/WR/WR/WR

00000000Read/Write

7 - (Reserved)

0




PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT07 6 5 4 3 2 1 0

PCMSK0($6B)


00000000Read/Write




14.

14.1.

AVRI/O--( )SBICBI1 ()()/()()LED() I/O14-1.VCCGND193

'x''n'(PORTxnB3PORTB3)I/O55I/O

1(PORTx)(DDRx)(PINx)3I/O I/O()PINx1(1/0)MCU(MCUCR)(PUD)(1)

I/OI/O 47

14.2.

I/O14-2.PxnI/O 1

14-1.

PxnCpin

Rpu

I/O

VCCVCC

14-2.

8-bit D

ata

Bus

Q

R

D

PxnQ

R

D

RRx:x

RESET:

RESET:

RDx:DDRx

WRx:PORTx

WDx:DDRx

VCC

DDxn:

PORTxn:

RPx:x

SLEEP:

clkI/O:I/O

DQ DQ

E

PUD:

: WRx, WPx WDx, RRx, RPx, RDx clkI/O,SLEEP, PUD

PINxn:

10

WPx:PINx


14.2.1.

3 DDxnPORTxnPINxn55I/ODDxnDDRx I/OPORTxnPORTx I/OPINxPINx I/O

DDRxDDxnDDxn1PxnDDxn0Pxn

PORTxn1()OFFPORTxn0 ()Hi-Z

PORTxn1 High(1)PORTxn0 Low(0)

14.2.2.

PINxn1DDRxnPORTxnSBI1

14.2.3.

Hi-Z(DDxn=0, PORTxn=0)High(DDxn=1, PORTxn=1)(DDxn=0, PORTxn=1)Low(DDxn=1, PORTxn=0) High()MCU(MCUCR)(PUD)(1)

LowHi-Z(DDxn=0, PORTxn=0)High(DDxn=1, PORTxn=1)

14-1.

14-1.

DDxn

PORTxn

0

1

1

0

0

0

0

1

(Hi-Z)

PxnLow

(Hi-Z)

Low ()

11 High ()

PUD (MCUCR)

X

0

1

X

X

14.2.4.

DDxn PINxn 14-2.PINxn ( )14-3.tpd,mintpd,max

(14-3.) LowHigh() Low()PINxn2tpd,mintpd,max0.51.5

14-4.NOPOUT (tpd)1

PINxn

R16

tpd,mintpd,max

14-3.

XXX XXX IN R16,PINx XXX

PINxn

R16

tpd

14-4.

OUT PORTx NOP IN R16,PINx XXX


B01High23Low6747NOP

; LDI R16,(1


14.3.

14-5.14-2. AVR

14-5.

8-bit D

ata

Bus

Q

R

D

PxnQ

R

D

RRx:x

RESET:

RESET:

RDx:DDRx

WRx:PORTx

WDx:DDRx

VCC

DDxn:

PORTxn:

RPx:x

SLEEP:

clkI/O:I/O

DQ DQ

E

PUD:

: WRx, WPx, WDx, RRx, RPx, RDx clkI/O,SLEEP, PUD

PINxn:

10

PUOExn:

PUOVxn:

DIEOExn:

DIEOVxn: 10

10

PVOExn:

PVOVxn:

10

DDOExn:

DDOVxn:

DIxn:AIOxn:

10

WPx:PINx

PTOExn:

14-2.()14-5.()

14-2.

PUOE1PUOV0DDxn=0, PORTxn=1, PUD=0

PUOV PUOE=1DDxn, PORTxn, PUD(1)/(0)

DDOE 1DDOV0DDxn

DDOV DDOE=1DDxnON(1)/OFF(0)

PVOE1ONPVOVON0PORTxn

PVOV PVOE=1PORTxn(1/0)

PTOE PTOE=1PORTxn

DIEOE1DIEOV0MCU()

OIEOVDIEOE=1MCU()(1)/(0)

DI

AIO

()


14.3.1. B

B14-3.

14-3. B

XTAL2 ( )TOSC2 ()PCINT7 (7)

PB7

PB6XTAL1 ( )TOSC1 ()PCINT6 (6)

PB5SCK (SPI /)PCINT5 (5)

PB4MISO (SPI /)PCINT4 (4)

PB3MOSI (SPI /)OC2A (/2 A)PCINT3 (3)

SS (SPI )OC1B (/1 B)PCINT2 (2)

PB2

PB1OC1A (/1 A)PCINT1 (1)

PB0ICP1 (/1 )CLKO ( )PCINT0 (0)

XTAL2/TOSC2/PCINT7 - B 7 : PB7

XTAL2 : () 2 I/O

TOSC2 : 2 RC(ASSR)/2ASSR(AS2)(1)(EXCLK)(0)PB7I/O

PCINT7 : 7PB7

PB7 PORTB7, DDB7, PINB70

XTAL1/TOSC1/PCINT6 - B 6 : PB6

XTAL1 : () 1 I/O

TOSC1 : 1 RC(ASSR)/2ASSR(AS2)(1)(EXCLK)(0)PB6I/O

PCINT6 : 6PB6

PB6 PORTB6, DDB6, PINB60

SCK/PCINT5 - B 5 : PB5

SCK : SPISPIB(DDRB)DDB5SPIDDB5SPIB(PORTB)PORTB5

PCINT5 : 5PB5


MISO/PCINT4 - B 4 : PB4

MISO : SPISPIB(DDRB)DDB4SPIDDB4SPIB(PORTB)PORTB4

PCINT4 : 4PB4

MOSI/OC2A/PCINT3 - B 3 : PB3

MOSI : SPISPIB(DDRB)DDB3SPIDDB3SPIB(PORTB)PORTB3

OC2A : /2APB3/2APB 3(DDB3=1)OC2APWM

PCINT3 : 3PB3

SS/OC1B/PCINT2 - B 2 : PB2

SS : SPISPIB(DDRB)DDB2LowSPI()()SPIDDB2SPIB(POR TB)PORTB2

OC1B : /1BPB2/1BPB 2(DDB2=1)OC1BPWM

PCINT2 : 2PB2

OC1A/PCINT1 - B 1 : PB1

OC1A : /1APB1/1APB 1(DDB1=1)OC1APWM

PCINT1 : 1PB1

ICP1/CLKO/PCINT0 - B 0 : PB0

ICP1 : /1PB0/1

CLKO : PB0 CKOUT(0)PORTB0DDB0

PCINT0 : 0PB0

14-4.14-5.B4714-5.SPISPIMISOMOSISPISPI


14-4. B74

14-5. B30

PB5/SCK/PCINT5 PB4/MISO/PCINT4PB7/XTAL2/

TOSC2/PCINT7PB6/XTAL1/

TOSC1/PCINT6

SPEMSTRINTRCEXTCK+AS2PUOE SPEMSTRINTRC+AS2

PORTB5PUD0PUOV PORTB4PUD0

SPEMSTRINTRCEXTCK+AS2DDOE SPEMSTRINTRC+AS2

00DDOV 00

SPEMSTR0PVOE SPEMSTR0

SCK0PVOV SPI0

--PTOE --

PCINT5PCIE0INTRCEXTCK+AS2+

PCINT7PCIE0DIEOE PCINT4PCIE0

INTRC+AS2+PCINT6PCIE0

1(INTRC+EXTCK)AS2DIEOV 1INTRC+AS2

SCK/PCINT5PCINT7DI SPI/PCINT4PCINT6

-AIO -/

: 1. INTRCRC(CKSEL) 2. EXTCK(CKSEL)

PB1/OC1A/PCINT1 PB0/ICP1/CLKO/PCINT0PB3/MOSI/OC2A/PCINT3 PB2/SS/OC1B/PCINT2

0SPEMSTRPUOE 0SPEMSTR

0PORTB3PUDPUOV 0PORTB2PUD

0SPEMSTRDDOE 0SPEMSTR

00DDOV 00

OC1ASPEMSTR+OC2APVOE 0OC1B

OC1ASPI+OC2APVOV 0OC1B

--PTOE --

PCINT1PCIE0PCINT3PCIE0DIEOE PCINT0PCIE0PCINT2PCIE0

11DIEOV 11

PCINT1SPI/PCINT3DI ICP1/PCINT0SPI SS/PCINT2

--AIO --


14.3.2. C

C14-6.

14-6. C

RESET ( )PCINT14 (14)

PC6 PC3ADC3 (A/D3)PCINT11 (11)

ADC5 (A/D5)SCL (2 )PCINT13 (13)

PC5 PC2ADC2 (A/D2)PCINT10 (10)

PC4ADC4 (A/D4)SDA (2 )PCINT12 (12)

PC1ADC1 (A/D1)PCINT9 (9)

PC0ADC0 (A/D0)PCINT8 (8)

RESET/PCINT14 - C 6 : PC6

RESET : RSTDISBL(0)I/OON RSTDISBL(1)I/O

PC6 PORTC6, DDC6, PINC60

PCINT14 : 14PC6

SCL/ADC5/PCINT13 - C 5 : PC5

SCL : 2 22(TWCR)2 (TWEN)(1)PC5()250ns()(/)

ADC5 : PC5A/D5A/D5

PCINT13 : 13PC5

SDA/ADC4/PCINT12 - C 4 : PC4

SDA : 2 22(TWCR)2 (TWEN)(1)PC4()250ns()(/)

ADC4 : PC4A/D4A/D4

PCINT12 : 12PC4

ADC3/PCINT11 - C 3 : PC3

ADC3 : PC3A/D3A/D3

PCINT11 : 11PC3


ADC2 : PC2A/D2A/D2

PCINT10 : 10PC2


ADC1 : PC1A/D1A/D1

PCINT9 : 9PC1


ADC0 : PC0A/D0A/D0

PCINT8 : 8PC0


14-7.14-8.C4714-5.

14-7. C64

PC5/SCL/ADC5/PCINT13 PC4/SDA/ADC4/PCINT12PC6/RESET/PCINT14

TWENPUOE TWENRSTDISBL

PORTC5PUDPUOV PORTC4PUD1

TWENDDOE TWENRSTDISBL

SCLDDOV SDA0

TWENPVOE TWEN0

0PVOV 00

-PTOE --

ADC5D+PCINT13PCIE1DIEOE ADC4D+PCINT12PCIE1RSTDISBL+PCINT14

PCIE1

PCINT13PCIE1DIEOV PCINT12PCIE1RSTDISBL

PCINT13DI PCINT12PCINT14

ADC5/SCLAIO ADC4/SDA

: 2PC4PC5 AIO2(TWI)

14-8. C30

PC1/ADC1/PCINT9 PC0/ADC0/PCINT8PC3/ADC3/PCINT11 PC2/ADC2/PCINT10

00PUOE 00

00PUOV 00

00DDOE 00

00DDOV 00

00PVOE 00

00PVOV 00

--PTOE --

ADC1D+PCINT9PCIE1ADC3D+PCINT11PCIE1DIEOE ADC0D+PCINT8PCIE1ADC2D+PCINT10PCIE1

PCINT9PCIE1PCINT11PCIE1DIEOV PCINT8PCIE1PCINT10PCIE1

PCINT9PCINT11DI PCINT8PCINT10

ADC1ADC3AIO ADC0ADC2


14.3.3. D

D14-9.

14-9. D

AIN1 ()PCINT23 (23)

PD7PD3

INT1 (1 )OC2B (/2 B)PCINT19 (19)AIN0 ()

OC0A (/0 A)PCINT22 (22)

PD6

PD2INT0 (0 )PCINT18 (18)

PD5T1 (/1 )OC0B (/0 B)PCINT21 (21) PD1

TXD (USART )PCINT17 (17)

PD4XCK (USART )T0 (/0 )PCINT20 (20)

PD0RXD (USART )PCINT16 (16)

AIN1/PCINT23 - D 7 : PD7

AIN1 : OFF

PCINT23 : 23PD7

AIN0/OC0A/PCINT22 - D 6 : PD6

AIN0 : OFF

OC0A : /0APD6/0APD6(DDD6=1)OC0APWM

PCINT22 : 22PD6

T1/OC0B/PCINT21 - D 5 : PD5

T1 : /1

OC0B : /0BPD5/0BPD5 (DDD5=1)OC0BPWM

PCINT21 : 21PD5

XCK/T0/PCINT20 - D 4 : PD4

XCK : USART

T0 : /0

PCINT20 : 20PD4

INT1/OC2B/PCINT19 - D 3 : PD3

INT1 : 1PD3

OC2B : /2BPD3/2BPD3 (DDD3=1)OC2BPWM

PCINT19 : 19PD3

INT0/PCINT18 - D 2 : PD2

INT0 : 0PD2

PCINT18 : 18PD2

TXD/PCINT17 - D 1 : PD1

TXD : (USART)USARTD(DDRD)DDD1

PCINT17 : 17PD1

RXD/PCINT16 - D 0 : PD0

RXD : (USART)USARTDDRDDDD0USARTPORTD0

PCINT16 : 16PD0


14-10.14-11.D4714-5.

14-10. D74

PD5/T1/OC0B/PCINT21 PD4/XCK/T0/PCINT20PD7/AIN1/PCINT23 PD6/AIN0/OC0A/PCINT22

00PUOE 00

00PUOV 00

00DDOE 00

00DDOV 00

OC0B0PVOE UMSELOC0A

OC0B0PVOV XCKOC0A

--PTOE --

PCINT21PCIE2PCINT23PCIE2DIEOE PCINT20PCIE2PCINT22PCIE2

00DIEOV 00

T1/PCINT21PCINT23DI XCK/T0/PCINT20PCINT22

-AIN1AIO -AIN0

14-11. D30

PD1/TXD/PCINT17 PD0/RXD/PCINT16PD3/INT1/OC2B/PCINT19 PD2/INT0/PCINT18

TXEN0PUOE RXEN0

00PUOV PORTD0PUD0

TXEN0DDOE RXEN0

10DDOV 00

TXENOC2BPVOE 00

TXDOC2BPVOV 00

--PTOE --

PCINT17PCIE2INT1+PCINT19PCIE2DIEOE PCINT16PCIE2INT0+PCINT18PCIE2

11DIEOV 11

PCINT17INT1/PCINT19DI RXD/PCINT16INT0/PCINT18

--AIO --


14.4. I/O



MCUCR$35 ($55)

R/WR/WRRR/WR/WR/WR

00000000Read/Write


4 - PUD : (Pull-up Disable)

1DDxnPORTxn(DDxn=0, PORTxn=1)I/O 45

14.4.2. PORTB - B (Port B Data Register)

PORTB7 PORTB07 6 5 4 3 2 1 0

PORTB$05 ($25)


00000000Read/Write

PORTB6 PORTB5 PORTB4 PORTB3 PORTB2 PORTB1

14.4.3. DDRB - B (Port B Data Direction Register)

DDB7 DDB07 6 5 4 3 2 1 0

DDRB$04 ($24)


00000000Read/Write

DDB6 DDB5 DDB4 DDB3 DDB2 DDB1

14.4.4. PINB - B (Port B Input Address) ()

PINB7 PINB07 6 5 4 3 2 1 0

PINB$03 ($23)


Read/Write

PINB6 PINB5 PINB4 PINB3 PINB2 PINB1

14.4.5. PORTC - C (Port C Data Register)

- PORTC07 6 5 4 3 2 1 0

PORTC$08 ($28)


00000000Read/Write

PORTC6 PORTC5 PORTC4 PORTC3 PORTC2 PORTC1

14.4.6. DDRC - C (Port C Data Direction Register)

- DDC07 6 5 4 3 2 1 0

DDRC$07 ($27)


00000000Read/Write

DDC6 DDC5 DDC4 DDC3 DDC2 DDC1

14.4.7. PINC - C (Port C Input Address) ()

- PINC07 6 5 4 3 2 1 0

PINC$06 ($26)


0Read/Write

PINC6 PINC5 PINC4 PINC3 PINC2 PINC1


14.4.8. PORTD - D (Port D Data Register)

PORTD7 PORTD07 6 5 4 3 2 1 0

PORTD$0B ($2B)


00000000Read/Write

PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1

14.4.9. DDRD - D (Port D Data Direction Register)

DDD7 DDD07 6 5 4 3 2 1 0

DDRD$0A ($2A)


00000000Read/Write

DDD6 DDD5 DDD4 DDD3 DDD2 DDD1

14.4.10. PIND - D (Port D Input Address) ()

PIND7 PIND07 6 5 4 3 2 1 0

PIND$09 ($29)


Read/Write

PIND6 PIND5 PIND4 PIND3 PIND2 PIND1

: PINxI/O(45)


15. 8 /0 (PWM)

15.1.

2 2 / () (PWM) PWM 3 (TOV0, OCF0A, OCF0B)

15.2.

/02PWM8 /()

8 /15-1.I/O2CPU(I/OI/O)I/O(:)I/O658 /0

27PRR - PRTIM0/00

15-1. 8 /

TCCRnA

OCRnA

8-bit Data Bus

Tn

TOVn ()

()

TCNTn

OCRnB

=

=

= =0

TOP

TOP BOTTOM

clkTn

OCnA

OCnB

OCFnA ()

OCFnB ()

TCCRnB

15.2.1.

/(TCNT0)(OCR0AOCR0B)8/0(TIFR0)/0(TIMSK0)()TIFR0TIMSK 0

/T0/()// (clkT0)

2(OCR0AOCR0B)/(OC0AOC0B)PWM59(OCF0AOCF0B)(1)


15.2.2.

'n'/0xAB(/0TCNT0)

15-1.

15-1.

BOTTOM /$00

/$FF(255)MAX

/($FF)OCR0A(TOP)

TOP

15.3. /

//B(TCCR0B)(CS020)88/0/1

15.4.

8 /15-2.

15-2.

BOTTOM

TCNTn(/)

8-bit Data Bus TOVn ()

count TCNT01direction ()clear TCNT0($00)clkTn clkT0/ TOP TCNT0BOTTOM TCNT0($00)

count

direction

clear

TOP

clkTn

Tn

()

()

/ (clkT0)($00)(+1)(-1)clkT0(CS020)(CS020=000)/TCNT0/ (clkT0)CPUCPU()

()/0A(TCCR0A)(WGM010)/0B(TC CR0B)(WGM02)()OC0A/OC0B61

/(TOV0)WGM020(=1)TOV0CPU


15.5.

8TCNT0(OCR0AOCR0B)TCNT0OCR0AOCR0B/ (OCF0AOCF0B)(1)(I=1, OCIE0AOCIE0B=1)(0)I/O1(0)(WGM020)(COM0x10)MAXBOTTOM(61)

15-3.

OCR0x(PWM)2/(CTC)22TOPBOTTOMOCR0xPWM

OCR0x2CPUOCR0xOCR0x

15-3.

8-bit Data Bus

OCFnx ()

OCnxBOTTOMTOP

WGMn20 COMnx10

OCRnx

= (8)

OCRnx TCNTn

FOCnx

() nxOCR0xOCR0xOCR0xOCR0x

15.5.1.

PWM(FOC0x)1()(OCF0x)(1)//OC0x(COM0x10OC0x(1)(0)1/0)

15.5.2. TCNT0

TCNT0CPU// / TCNT0OCR0x

15.5.3.

TCNT01/ /TCNT0TCNT0OCR0x()/BOTTOMTCNT0

OC0x OC0x(FOC0x) OC0x()

(COM0x10)(OCR0x)2COM0x10


15.6.

(COM0x10)2(OC0x)COM0x 10COM0x10OC0x15-4.COM0x10I/OI/OI/O(:)COM0x10I/O(PORTDDR)OC0xOC0xOC0x OC0x'0'

15-4.

OCnx

QD

OCnx

QD

PORT

QD

DDR

1

0

8-bit D

ata

Bus

clkI/O

COMnx1COMnx0

FOCnx

COM0x10(1)I/O(OC0x)OC0x() (DDR)OC0x(DDR_OC0x)OC0x

OC0xCOM0x10658 /0

15.6.1.

CTCPWMCOM0x10COM0x10=00OC0xPWM6515-2.15-5.PWM6515-3.15-6.PWM6515-4.15-7.

COM0x10PWM(FOC0x)


15.7.

/(WGM020)(COM0x10)()COM0x10PWM(PWM)PWMCOM0x10(0)(1)1/0(60)

64/0

15.7.1.

(WGM020=000)(+)8(TOP=$FF)$00(BOTTOM)/(TOV0)TCNT0$00/ (1)TOV0(1)(0)9TOV0(0)/0/

CPU

15.7.2. /(CTC)

/(CTC)(WGM020=010)OCR0ACTC(TCNT0)OCR0A$00OCR0ATOP

CTC15-5.(TCNT0)TCNT0OCR0A(TCNT0)($00)

OCnx()

TCNTn

15-5. CTC

1 4 52 3

OCFnx(TOP)

TOP

: COMnx10=01

OCF0A/TOPTOPBOTTOMTOPCTC2OCR0ATCNT0()/()($FF)$00

CTCOC0A(COM0A10)(=01)OC0A(DDR_OC0A=1) OCR0A0($00) fOC0A= fclk_I/O/2

N(1,8,64,256,1024)

/(TOV0)MAX$00/ (1)

fOCnx =fclk_I/O

2N(1OCRnx)


15.7.3. PWM

(PWM)(WGM020=011111)PWMPWM()PWMBOTTOMTOPBOTTOMTOPWGM020=011$FFWGM020=111OCR0A(COM0x10=10)(OC0x)TCNT0OCR0x(0)BOTTOM(1)(COM0x10=11)(1)BOTTOM(0)PWM()PWM2D/APWM()

PWM//TOP/()/ ($00)PWM15-6.TCNT0()PWMOCR0xTCNT0()TCNT0OCR0x(:)(OCF0x)OCR0x= TOP(1)(:)

OCnx()(COMnx10=10)

TCNTn

15-6. PWM

1 42 3

OCRnxTOVn

OCRnx

OCnx()(COMnx10=11)

5 6 7

OCFnx

/(TOV0)TOP(1)

PWMOC0xPWMCOM0x10'10'PWMPWMCOM0x10'11'WGM02(1)COM0A10'01'OC0AOC0B(6515-3.15-6.)OC0x (DDR_OC0x)PWMTCNT0OCR0xOC0x()(1)((0))($00,TOPBOTTOM)/ OC0x(0)(1)

PWM

N(1,8,64,256,1024)

OCR0xPWMPWMOCR0xBOTTOM($00)TOP+1 / ()OCR0xTOP(COM0x10)LowHigh

(:WGM020=111)PWM(50%)OC0A(COM0A10=01)OCR0A0($00) fOC0x= fclk_I/O/2PWM2CTCOC0A(COM0A10=01)

fOCnxPWM =fclk_I/O

N(1+TOP)


15.7.4. PWM

(PWM)(WGM020=001101)PWMPWM()BOTTOMTOPTOPBOTTOMTOPWGM020=001$FFWGM020=101OCR0A(COM0x10= 10)(OC0x)TCNT0OCR0x(0)(1)(COM0x10=11)()()()

PWMTOPTOPTCNT01/ TOPPWM15-7.TCNT0()PWMOCR0xTCNT0()TCNT0OCR0x(:)

OCnx()(COMnx10=10)

TCNTn

15-7. PWM

21

OCFnx

OCRnx

OCnx()(COMnx10=11)

3

TOVn

OCRnx

/(TOV0)/BOTTOM(1)BOTT OM

PWMOC0xPWMCOM0x10'10'PWMPWMCOM0x10'11'WGM02(1)COM0A10'01'OC0AOC0B(6515-4.15-7.)OC0x (DDR_OC0x)PWMTCNT0OCR0xOC0x()(1)((0))TCNT0OCR0xOC0x(0)((1))PWMPWM

N(1,8,64,256,1024)

OCR0xPWMPWMPWMOCR0xBOTTOM($00)LowTOPHighPWM

15-7.2OCnxHighLowBOTTOM2

15-7.OCR0xTOPOCR0xTOPOCnx(: LHHH)BOTTOM()TOP()OCnx(HL)

/OCR0xOCn x(: TOP(H)HL)

fOCnxPCPWM =fclk_I/O

2NTOP

15.8. /

// (clkT0)(1)15-8./ PWMMAX

clkTn (clkI/O/1)

TCNT0

TOVn

clkI/O

15-8. (1/1)/

MAX-1 MAX BOTTOM BOTTOM+1

15-9.

clkTn (clkI/O/8)

TCNT0

clkI/O

15-9. (fclk_I/O/8)/


TOVn

15-10.CTCOCR0ATOPPWMOCF0AOCF0B

clkTn (clkI/O/8)

TCNT0

clkI/O

15-10. (fclk_I/O/8)/OCF0x

OCRnx-1 OCRnx OCRnx+1 OCRnx+2

OCRnx

OCFnx

OCRnx

15-11.OCR0ATOPPWMCTCTCNT0OCF0A

clkTn (clkI/O/8)

TCNT0 (CTC)

clkI/O

15-11. (fclk_I/O/8)/OCF0A

TOP-1 TOP BOTTOM BOTTOM+1

OCRnx

OCFnx

TOP



15.9. 8 /0

15.9.1. TCCR0A - /0A (Timer/Counter 0 Control Register A)

COM0A1 COM0A0 COM0B1 COM0B0 - - WGM01 WGM007 6 5 4 3 2 1 0

TCCR0A$24 ($44)

R/WR/WRRR/WR/WR/WR/W

00000000Read/Write

7,6 - COM0A1,0 : A (Compare Match A Output Mode bit 1 and 0)

OC0ACOM0A1011OC0AI/OI/OOC0A(DDR)(1)

OC0ACOM0A10WGM020

15-2.WGM020CTC(PWM)COM0A10

15-3.WGM020PWMCOM0A10

15-4.WGM020PWMCOM0A10

15-2. PWMA

COM0A1

0 (OC0A)

OC0A ()

1 OC0A Low

OC0A High

COM0A0

0

1

0

1

0

1

15-3. PWMA ()

COM0A1

0 (OC0A)

WGM02=0 : (OC0A)WGM02=1 : OC0A ()

1LowBOTTOMHighOC0A ()

HighBOTTOMLowOC0A ()

COM0A0

0

1

0

1

0

1

15-4. PWMA ()

COM0A1

0 (OC0A)

WGM02=0 : (OC0A)WGM02=1 : OC0A ()

1LowHighOC0A

HighLowOC0A

COM0A0

0

1

0

1

0

1

5,4 - COM0B1,0 : B (Compare Match B Output Mode bit 1 and 0)

OC0BCOM0B1011OC0BI/OI/OOC0B(DDR)(1)

OC0BCOM0B10WGM020

15-5.WGM020CTC(PWM)COM0B10

15-6.WGM020PWMCOM0B10

15-7.WGM020PWMCOM0B10

15-5. PWMB

COM0B1

0 (OC0B)

OC0B ()

1 OC0B Low

OC0B High

COM0B0

0

1

0

1

0

1

15-6. PWMB ()

COM0B1

0 (OC0B)

()

1LowBOTTOMHighOC0B ()

HighBOTTOMLowOC0B ()

COM0B0

0

1

0

1

0

1

15-7. PWMB ()

COM0B1

0 (OC0B)

()

1LowHighOC0B

HighLowOC0B

COM0B0

0

1

0

1

0

1

: COM0x1(1)OCR0xTOPBOTTOMTOP(1)(0)62PWM63PWM (15-3,4,6,7.:)


3,2 - (Reserved)

0

1,0 - WGM01,0 : (Waveform Generation Mode bit 1 and 0)

/B(TCCR0B)WGM02()(TOP)(15-8.)/()/(CTC)2(PWM)61

15-8.

TOP/

$FF

$FF

OCR0A

$FF

OCR0xWGM02

0

0

0

0

TOP

BOTTOM

8PWM

/(CTC)

8PWM

-1 -()

WGM00

0

1

0

1

0

0

1

2

3

4

WGM01

0

0

1

1

0

TOV0

MAX

BOTTOM

MAX

MAX

-

OCR0A1 TOPPWM15 0 BOTTOM

-1 -()06 1 -

OCR0A1 BOTTOMPWM17 1 TOP

: MAX=$FFBOTTOM=$00

FOC0A FOC0B - - WGM02 CS02 CS01 CS007 6 5 4 3 2 1 0

TCCR0B$25 ($45)

R/WR/WR/WR/WRRWW

00000000Read/Write

15.9.2. TCCR0B - /0B (Timer/Counter0 Control Register B)

7 - FOC0A : OC0A (Force Output Compare A)

FOC0AWGM020PWM

PWMTCCR0B0FOC0A1OC0ACOM0A10FOC0ACOM0A10

FOC0ATOPOCR0A(CTC)/($00)

FOC0A0

6 - FOC0B : OC0B (Force Output Compare B)

FOC0BWGM020PWM

PWMTCCR0B0FOC0B1OC0BCOM0B10FOC0BCOM0B10

FOC0B

FOC0B0

5,4 - (Reserved)

0

3 - WGM02 : (Waveform Generation Mode bit 2)

65TCCR0A - /AWGM010


20 - CS020 : 0 (Clock Select0, bit 2,1 and 0)

3/(TCNT0)

15-9. /0

CS02

0 (/0)

clkI/O ()1 clkI/O/8 (8)

clkI/O/64 (64)

CS01

0

1

0

1

0

1

CS00

0

1

0

1

0

1

0

1

0

0

0

0

1

1

1

1

clkI/O/256 (256)clkI/O/1024 (1024)T0 ()

T0 ()

()/0T0T0

15.9.3. TCNT0 - /0 (Timer/Counter0)

(MSB) (LSB)7 6 5 4 3 2 1 0

TCNT0$26 ($46)


00000000Read/Write

/ /8 TCNT0/ ()(TCNT0)TCNT0OCR0x

15.9.4. OCR0A - /0 A (Timer/Counter0 Output Compare A Register)

(MSB) (LSB)7 6 5 4 3 2 1 0

OCR0A$27 ($47)


00000000Read/Write

(TCNT0)8OC0A

15.9.5. OCR0B - /0 B (Timer/Counter0 Output Compare B Register)

(MSB) (LSB)7 6 5 4 3 2 1 0

OCR0B$28 ($48)


00000000Read/Write

(TCNT0)8OC0B


15.9.6. TIMSK0 - /0 (Timer/Counter 0 Interrupt Mask Register)

- - - - - OCIE0B OCIE0A TOIE07 6 5 4 3 2 1 0

TIMSK0($6E)

R/WR/WR/WRRRRR

00000000Read/Write

73 - (Reserved)

0

2 - OCIE0B : /0B (Timer/Counter0 Output Compare Match B Interrupt Enable)

OCIE0B1 (SREG)(I)(1)/0B/0B/0 (TIFR0)B(OCF0B)(1)

1 - OCIE0A : /0A (Timer/Counter0 Output Compare Match A Interrupt Enable)

OCIE0A1 (SREG)(I)(1)/0A/0A/0 (TIFR0)A(OCF0A)(1)

0 - TOIE0 : /0 (Timer/Counter0 Overflow Interrupt Enable)

TOIE01 (SREG)(I)(1)/0/0/0 (TIFR0)/0(TOV0)(1)

15.9.7. TIFR0 - /0 (Timer/Counter 0 Interrupt Flag Register)

- - - - - OCF0B OCF0A TOV07 6 5 4 3 2 1 0

TIFR0$15 ($35)

R/WR/WR/WRRRRR

00000000Read/Write

73 - (Reserved)

0

2 - OCF0B : /0B (Timer/Conter0, Output Compare B Match Flag)

OCF0B/(TCNT0)(OCR0B)(1)OCF0B(0)1OCF0B(0) (SREG)(I)/0(TIMSK0)/0B(OCIE0B)OCF0B(1)/0B

1 - OCF0A : /0A (Timer/Conter0, Output Compare A Match Flag)

OCF0A/(TCNT0)(OCR0A)(1)OCF0A(0)1OCF0A(0) (SREG)(I)/0(TIMSK0)/0A(OCIE0A)OCF0A(1)/0A

0 - TOV0 : /0 (Timer/Counter0 Overflow Flag)

TOV0/(TCNT0)(1)TOV0(0)1TOV0(0) (SREG)(I)/0(TIMSK0)/0(TOIE0)TOV0(1)/0PWM/0$00(1)

WGM0206615-8.


16. 16 /1

16.1.

16 (16PWM) 2 2 1 / () (PWM) PWM 4 (TOV1, OCF1A, OCF1B, ICF1)

16.2.

16 /()

'n'/'x'(/1TCNT1)

16 /16-1.I/O2CPU(I/OI/O)I/O(: )I/O8316 /1

27PRR - PRTIM1/10

16-1. 16 /

TCCRnA

OCRnA

8-bit Data Bus

Tn

TOVn ()

()

TCNTn

OCRnB

=

=

= =0

ICRn

TOP

TOP BOTTOM

clkTn

()

ICPn

OCnA

OCnB

OCFnA ()

OCFnB ()

ICFn ()

TCCRnB TCCRnC

: /124814-3.5314-9.


16.2.1.

/(TCNT1)(OCR1A,OCR1B)(ICR1)16 16 7116 /1 (TCCR1A,TCCR1B,TCCR1C)8 CPU/1(TIFR1)/1(TIMSK1)()TIFR1TIMSK1

/T1/()// (clkT1)

2(OCR1A,OCR1B)/(OC1A,OC1B)PWM75(OCF1A,OCF1B)(1)

(ICR1)(ICP1)(153)()/()()

TOP/OCR1AICR1PWMTOPOCR1AOCR1APWMTOPTOP2TOPICR1PWMOCR1A

16.2.2.

16-1.

BOTTOM $0000

$FFFF(65535)MAX

TOP()TOP($00FF,$01FF,$03FF)OCR1AICR11

TOP


16.3. 16

TCNT1,OCR1A,OCR1B,ICR18 AVR CPU16 16 2 16 /16 18 16 /16 1616 CPU16 16 CPU16

16 OCR1AOCR1B16

1616

16 / OCR1A, OCR1B, ICR1C16

; ;[16($01FF)] LDI R17,$01 ;$01FF LDI R16,$FF ;$01FF OUT TCNT1H,R17 ;() OUT TCNT1L,R16 ;() ;[16] IN R16,TCNT1L ;() IN R17,TCNT1H ;() ;

C

unsigned int i; /* */ TCNT1 = 0x1FF; /* 16($01FF) */ i = TCNT1; /* 16 */ /* */

: 5

R17:R16TCNT1

16 16 216 / 16


TCNT1OCR1A,OCR1B,ICR1

RD_TCNT1: IN R18,SREG ;(I) CLI ; IN R16,TCNT1L ;TCNT1() IN R17,TCNT1H ;TCNT1() OUT SREG,R18 ;(I) RET ;

C

unsigned int TIM16_Read_TCNT1(void){ unsigned char sreg; /* */ unsigned int i; /* TCNT1 */ sreg = SREG; /* (I) */ __disable_interrupt(); /* */ i = TCNT1; /* TCNT1 */ SREG = sreg; /* (I) */ return i; /* TCNT1 */}

: 5

R17:R16TCNT1

TCNT1OCR1A,OCR1B,ICR1

WR_TCNT1: IN R18,SREG ;(I) CLI ; OUT TCNT1H,R17 ;TCNT1() OUT TCNT1L,R16 ;TCNT1() OUT SREG,R18 ;(I) RET ;

C

void TIM16_Write_TCNT1(unsigned int i){ unsigned char sreg; /* */ unsigned int i; /* TCNT1 */ sreg = SREG; /* (I) */ __disable_interrupt(); /* */ TCNT1 = i; /* TCNT1 */ SREG = sreg; /* (I) */}

: 5

R17:R16TCNT1

16.3.1.

16 1


16.4. /

//B(TCCR1B)(CS120)88/0/1

16.5.

16 /1616-2.

16-2.

BOTTOM

TCNTnH(8)

8-bit Data Bus

clkTn

Tn

TOVn ()

()

count

count TCNT11direction ()clear TCNT1($0000)clkTn clkT1/ TOP TCNT1BOTTOM TCNT1($0000)TEMP

direction

clearTCNTn(16 /)

TCNTnL(8)

TOP

TEMP(8)

()

16 8(TCNT1H)8(TCNT1L)28 I/OTCNT1HCPUCPUTCNT1H I/OCPU(TEMP)TCNT1LTCNT1HTCNT1LTCNT1H8 116 CPUTCNT1

/ (clkT1)($0000)(+1)(-1)clkT1(CS120)(CS120=000)TCNT1/ (clkT1)CPUCPU()

()/A(TCCR1A)/B(TCCR1B)(WGM130) ()OC1x78

/(TOV1)WGM130(1)TOV1CPU


16.6.

/(/)ICP1

16-3.(:)'n'/

16-3.

ICRnH(8)

8-bit Data Bus

ICFn ()

ICRn(16 )

ICRnL(8)

TEMP(8)

TCNTnH(8)

TCNTn(16 /)

TCNTnL(8)

+-

ICPn

ACOACIC

WR

ICNC ICES

: ACO,ACIC/(ACSR)

(ICP1)(ACO)()(TCNT1)16(ICR1)(ICF1)TCNT1ICR1 (1)(I=1,ICIE1=1)ICF1(0)I/O 1(0)

(ICR1)16(ICR1L)(ICR1H)(TEMP)CPUICR1H I/O

ICR1TOPICR1TOPICR1(WGM130)ICR1ICR1LICR1H I/O

16 7116

16.6.1.

(ICP1)/1/(ACSR)(ACIC)(=1)(ICF1)(0)

(ICP1)(ACO)T1(8817-1.)4 /TOPICR1

ICP1

16.6.2.

44

/B(TCCR1B)(ICNC1)(1)ICR14


16.6.3.

()2(ICR1)ICR1

ICR1

TOP()

ICR1(ICF1)(I/O1)(0)(:ICF1(1))()ICF1(0)

16.7.

16TCNT1(OCR1x)TCNT1OCR1x/ (OCF1x)(1)(I=1,OCIE1x=1)OCF1x(0)OCF1xI/O1(0)(WGM130)(COM1x10)TOPBOTTOM(78)

A/TOP()TOP

16-4.'n'/(/1n=1)'x'(AB)(:)

16-4.

OCRnxH(8)

8-bit Data Bus

OCFnx ()

OCRnx(16 )

OCRnxL(8)

TEMP(8)

TCNTnH(8)

TCNTn(16 /)

TCNTnL(8)

OCnxBOTTOM

TOP

WGMn30 COMnx10

OCRnxH (8)

OCRnx (16 )

OCRnxL (8)

= (16)


OCR1x12(PWM)2/(CTC)22TOPBOTTOMOCR1xPWM

OCR1x2CPUOCR1xOCR1xOCR1x()(/TCNT1ICR1OCR1x)OCR1x(TEMP)16 OCR1x16(OCR1xH)I/OCPU(OCR1xL)8()() OCR1xOCR1x

16 7116

() nxOCRnxOCRnxOCRnxOCRnx

16.7.1.


16.7.2. TCNT1


16.7.3.

TCNT11/ /TCNT1TCNT1OCR1x()TOPPWMTOPTCNT1()TOP$FFFF()BOTTOMTCNT1




16.8.

(COM1x10)2(OC1x)COM1x 10COM1x10OC1x16-5.COM1x10I/OI/OI/O(:)COM1x10I/O(PORTDDR)OC1xOC1xOC1x OC1x0

16-5.

OCnx

QD

OCnx

QD

PORT

QD

DDR

1

0

8-bit D

ata

Bus

clkI/O

COMnx1COMnx0

FOCnx

COM1x10(1)I/O(OC1x)OC1x() (DDR)OC1x(DDR_OC1x)OC1x16-2.16-3.16-4.

OC1xCOM1x108316 /1

COM1x10

16.8.1.

CTCPWMCOM1x10COM1x10=00OC1xPWM8316-2.PWM8316-3.PWM/PWM8316-4.

COM1x10PWM(FOC1x)


16.9.

/(WGM130)(COM1x10)()COM1x10PWM(PWM)PWMCOM1x10(0)(1)1/077

82/1

16.9.1.

(WGM130=0000)(+)16(MAX=$FFFF)$0000(BOTTOM)/(TOV1)TCNT1$0000/ (1)TOV1(1)(0)17TOV1(0)/1/

/(16)/

CPU

16.9.2. /(CTC)

/(CTC)(WGM130=01001100)OCR1AICR1CTC(TCNT1)OCR1A(WGM130=4)ICR1(WGM130=12)$0000OCR1AICR1TOP

CTC16-6.(TCNT1)OCR1AICR1(TCNT1)($0000)

OCnA()

TCNTn

16-6. CTC

1 4 52 3

OCFnAICFn(TOP)

TOP

: COMnA10=01

TOPOCF1AICF1TOPTOPBOTTOMTOPCTC2OCR1AICR1TCNT1()()($FFFF)$0000OCR1A2TOPOCR1APWM(WGM130=1111)


N(1,8,64,256,1024)

/(TOV1)MAX$0000/ (1)

fOCnA =fclk_I/O

2N(1OCRnA)


16.9.3. PWM

(PWM)(WGM130=0101,0110,0111,1110,1111)PWMPWM()PWMBOTTOMTOPBOTTOM(COM1x10=10)(OC1x)TCNT1OCR1x(0)BOTTOM(1)(COM1x10=11)(1)BOTTOM(0)PWM()/PWM2D/APWM()

PWMPWM8,9,10OCR1AICR12(OCR1AICR1$0003)16(OCR1AICR1MAX)PWM

PWM$00FF,$01FF,$03FF(WGM130=0101,0110,0111)ICR1(WGM130=1110)OCR1A(WGM130=1111)()/ ($0000)PWM16-7.OCR1AICR1TOPPWMTCNT1()PWMOCR1xTCNT1()TCNT1OCR1x(:)(OCF1x)(1)

/(TOV1) TOP(1)OCR1AICR1TOPOCF1AIC F1TOV1(1)/ (1)1TOP

TOPTOPTOPTCNT1OCR1 xTOPOCR1x0()

ICR1TOPICR1OCR1AICR12ICR1ICR1TCNT1()TOPMAX($FFFF)$0000OCR1A2OCR1AI/OOCR1A I/OOCR1AOCR1A()TCNT1TOP/ OCR1ATCNT1($0000)TOV1(1)/

TOPICR1TOPICR1OC1APWMOCR1APWM(TOP)OCR1A2TOPOCR1A

PWMOC1xPWMCOM1x10'10'PWMPWMCOM1x10'11'8316-3.OC1x (DDR_OC1x=1)PWMTCNT1OCR1xOC1x()(1)((0))($0000TOPBOTTOM)/ OC1x(0)((1))

PWMN(1,8,64,256,1024)

OCR1xPWMPWMOCR 1xBOTTOM($0000)TOP+1 / ()TOPOCR1x(COM1x10)LowHigh

PWM(50%)OC1A(COM1A10=01)OCR1A0($0000) fOC1A= fclk_I/O/2PWM2CTCOC1A(COM1A10=01)

RFPWM =log (TOP1)

log 2

OCnx()(COMnx10=10)

TCNTn

16-7. PWM

1 4 82 3

OCRnx/TOPTOVnOCFnAICFn(TOP)

OCRnx

OCnx()(COMnx10=11)

5 6 7

fOCnxPWM =fclk_I/O

N(1TOP)


16.9.4. PWM

(PWM)(WGM130=0001,0010,0011,1010,1011)PWMPWM()/PWMBOTTOM($0000)TOPTOPBOTTOM(COM1x10=10)(OC1x)TCNT1OCR1x(0)(1)(COM1x10=11)()()()PWM

PWMPWM8,9,10OCR1AICR12(OCR1AICR1$0003)16(OCR1AICR1MAX)PWM

PWM$00FF,$01FF,$03FF(WGM130=0001,0010, 0011)ICR1(WGM130=1010)OCR1A(WGM130=1011)TOPTCNT11/

TOPPWM16-8.OCR1AICR1TOPPWMTCNT1()PWMOCR1xTCNT1()TCNT1OCR1x(:)(OCF1x)(1)

RPCPWM =log (TOP1)

log 2

OCnx()(COMnx10=10)

TCNTn

16-8. PWM

2 41

OCRnx/TOPOCFnAICFn(TOP)

OCRnx

OCnx()(COMnx10=11)

3

TOP

TOVn(BOTTOM)

/(TOV1)BOTTOM(1)OCR1AICR1TOPOCF1AICF1OCR1x(TOP)2 / (1)TOPBOTTOM

TOPTOPTOPTCNT1OCR1xTOPOCR1 x0()16-8.3/ PWMTOPOCR1xOCR1xTOPPWMTOPTOPTOP2(TOP)2

/TOPPWM/PWMTOP2

PWMOC1xPWMCOM1x10'10'PWMPWMCOM1x10'11'(8316-4.)OC1x (DDR_OC1x=1)PWMTCNT1OCR1xOC1x()(1)((0))TCNT1OCR1xOC1x(0)((1))

PWMPWMN(1,8,64,256,1024)

OCR1xPWMPWMPWMOCR1xBOTTOMLowTOPHighPWMTOPOCR1A(WGM130=1011)COM1A10=01OC1A50%


2NTOP


16.9.5. /PWM

/(PWM)(WGM130=1000,1001)PWM/PWM()PWMBOTTOM($0000)TOPTOPBOTTOM(COM1x10=10)(OC1x)TCNT1OCR1x(0)(1)(COM1x10=11)()()()PWM

/PWMOCR1xOCR1x(:TOPBOTTO M)(16-8.16-9.)

/PWMPWMOCR1AICR12(OCR1AICR1$0003)16(OCR1AICR1MAX)PWM

/PWM//ICR1(WGM130=1000)OCR1A(WGM130=1001)TOPTCNT11/ TOP/

PWM16-9.OCR1AICR1TOP/PWMTCNT1()PWMOCR1xTCNT1()TCNT1OCR1x (:)(OCF1x)(1)

RPFCPWM =log (TOP1)

log 2

OCnx()(COMnx10=10)

TCNTn

16-9. /PWM

2 41

OCFnAICFn(TOP)

OCRnx

OCnx()(COMnx10=11)

3

TOP

OCRnx/TOPTOVn(BOTTOM)

/(TOV1)OCR1x(BOTTOM)2/ (1)OCR1AICR1TOPOCF1AICF1/TOP(1)TOPBOTTOM

TOPTOPTOPTCNT1OCR1x

16-9.PWMOCR1xBOTTOM

TOPICR1TOPICR1OC1APWMOCR1APWM(TOP)OCR1A2TOPOCR1A

/PWMOC1xPWMCOM1x10'10'PWMPWMCOM1x10'11'(8316-4.)OC1x (DDR_OC1x=1)PWMTCNT1OCR1xOC1x()(1)((0))TCNT1OCR1 xOC1x(0)((1))

/PWMPWMN(1,8,64,256,1024)

OCR1x/PWMPWMPWMOCR1xBOTTOMLowTOPHighPWMTOPOCR1A(WGM130 =1001)COM1A10=01OC1A50%

fOCnxPFCPWM =fclk_I/O

2NTOP


16.10. /

// (clkT1)(1)OCR1xOCR1x(2)16-10.OCF1x

16-11.

16-12.TOP/PWMOCRnxBOTTOMTOPBOTTOMTOP-1BOTTOM+1BOTT OMTOV1(1)

clkTn (clkI/O/1)

TCNT1

OCRnx

clkI/O

16-10. (1/1)/OCF1x


OCFnx

OCRnx

clkTn (clkI/O/8)

TCNT1

clkI/O

16-11. (fclk_I/O/8)/OCF1x


OCRnx

OCFnx

OCRnx

clkTn (clkI/O/1)

TCNT1 (CTC,FPWM)

OCRnx(TOP)

clkI/O

16-12. (1/1)/TOP


TOVn(FPWM)ICFn(TOP)

OCRnx

TCNT1 (PCPWM,PFCPWM) TOP-1 TOP TOP-1 TOP-2

OCRnx

16-13.

clkTn (clkI/O/8)

TCNT1 (CTC,FPWM)

OCRnx(TOP)

clkI/O

16-13. (fclk_I/O/8)/TOP


TOVn(FPWM)ICFn(TOP)

OCRnx

TCNT1 (PCPWM,PFCPWM) TOP-1 TOP TOP-1 TOP-2

OCRnx


16.11. 16 /1

16.11.1. TCCR1A - /1A (Timer/Counter1 Control Register A)

COM1A1 COM1A0 COM1B1 COM1B0 - - WGM11 WGM107 6 5 4 3 2 1 0

TCCR1A($80)

R/WR/WRRR/WR/WR/WR/W

00000000Read/Write

7,6 - COM1A1,0 : 1A (Compare Output Mode1A bit 1 and 0)

5,4 - COM1B1,0 : 1B (Compare Output Mode1B bit 1 and 0)

COM1A10COM1B10OC1AOC1BCOM1A1011OC1AI/OI/OCOM1B1011OC1BI/OI/OOC1AOC1B(DDR)(1)

OC1AOC1BCOM1x10WGM13016-2.WGM130CTC(PWM)COM1x10

16-2. PWM (: xAB)

COM1x1

0 (OC1x)

OC1x ()

1 OC1x Low

OC1x High

COM1x0

0

1

0

1

0

1

16-3.WGM130PWMCOM1x10

16-3. PWM (: xAB, X01)

COM1x1

0 (OC1x)

WGM130=111X : OC1A ()OC1B(OC1B)WGM130 : (OC1x)

1 LowBOTTOMHighOC1x ()

HighBOTTOMLowOC1x ()

COM1x0

0

1

0

1

0

1

: COM1x1(1)OCR1xTOPBO TTOM(1)(0)79PWM

16-4.WGM130/PWMCOM1x10

16-4. /PWM (: xAB, X01)

COM1x1

0 (OC1x)

WGM130=10X1 : OC1A ()OC1B(OC1B)WGM130 : (OC1x)

1 LowHighOC1x

HighLowOC1x

COM1x0

0

1

0

1

0

1

: COM1x1(1)OCR1xTOP80P WM



/B(TCCR1B)WGM132()(TOP)(16-5.)/()/(CTC)3(PWM)78

16-5.

WGM13 TOP/

$FFFF

$00FF

$01FF

$03FF

OCR1x

WGM12(CTC1)

0

0

0

0

0

0

0

0

TOP

TOP

TOP

8PWM

9PWM

10PWM

OCR1A10 /(CTC)

WGM10(PWM10)

0

1

0

1

0

0

1

2

3

4

WGM11(PWM11)

0

0

1

1

0

TOV1

MAX

BOTTOM

BOTTOM

BOTTOM

MAX

$00FF10 BOTTOM8PWM15 0 TOP



ICR101 BOTTOM/PWM08 0 BOTTOM

OCR1A01 BOTTOM/PWM19 0 BOTTOM

ICR101 TOPPWM010 1 BOTTOM

OCR1A01 TOPPWM111 1 BOTTOM

ICR111 /(CTC)012 0 MAX

-11 -()113 0 -

ICR111 BOTTOMPWM014 1 TOP

OCR1A11 BOTTOMPWM115 1 TOP

: CTC1PWM110WGM120/

16.11.2. TCCR1B - /1B (Timer/Counter1 Control Register B)

ICNC1 ICES1 - WGM13 WGM12 CS12 CS11 CS107 6 5 4 3 2 1 0

TCCR1B($81)

R/WR/WR/WR/WR/WRR/WR/W

00000000Read/Write

7 - ICNC1 : 1 (Input Capture1 Noise Canceler)

(1)()(ICP1)4ICP14( )

6 - ICES1 : (Input Capture1 Edge Select)

(ICP1)ICES10()ICES11()

ICES1(ICR1)(ICF1)(1)

ICR1TOP(TCCR1ATCCR1BWGM130)ICP1

5 - (Reserved)

TCCR1B0


TCCR1AWGM110


20 - CS120 : 1 (Clock Select1, bit 2,1 and 0)

3/(TCNT1)16-10.16-11.

16-6. /1

CS12

0 (/1)

clkI/O ()1 clkI/O/8 (8)

clkI/O/64 (64)

CS11

0

1

0

1

0

1

CS10

0

1

0

1

0

1

0

1

0

0

0

0

1

1

1

1

clkI/O/256 (256)clkI/O/1024 (1024)T1 ()

T1 ()

/1()T1T1

16.11.3. TCCR1C - /1C (Timer/Counter1 Control Register C)

FOC1A FOC1B - - - - - -7 6 5 4 3 2 1 0

TCCR1C($82)

RRRRRRWW

00000000Read/Write

7 - FOC1A : OC1A (Force Output Compare 1A)

6 - FOC1B : OC1B (Force Output Compare 1B)

FOC1A/FOC1BWGM130PWMFOC1A/FOC1B1OC1xCOM1x10FOC1A/FOC1BCOM1x10

FOC1A/FOC1BTOPOCR1A(CTC)/($0000)

FOC1A/FOC1B0

16.11.4. TCNT1H,TCNT1L (TCNT1) - /1 (Timer/Counter1)

(MSB)15 14 13 12 11 10 9 8

TCNT1H($85)


00000000

Read/Write

(LSB)7 6 5 4 3 2 1 0

TCNT1L($84)


00000000

Read/Write

2/ I/O(TCNT1HTCNT1LTCNT1)/16 CPU8(TEMP)16 7116

(TCNT1)OCR1x1TCNT1

TCNT1/ ()


16.11.5. OCR1AH,OCR1AL (OCR1A) - /1 A (Timer/Counter1 Output Compare Register A)

(MSB)15 14 13 12 11 10 9 8

OCR1AH($89)


00000000Read/Write

(LSB)7 6 5 4 3 2 1 0

OCR1AL($88)


00000000Read/Write

16.11.6. OCR1BH,OCR1BL (OCR1B) - /1 B (Timer/Counter1 Output Compare Register B)

(MSB)15 14 13 12 11 10 9 8

OCR1BH($8B)


00000000Read/Write

(LSB)7 6 5 4 3 2 1 0

OCR1BL($8A)


00000000Read/Write

(TCNT1)16OC1x

16CPU8(TEMP)16 7116

16.11.7. ICR1H,ICR1L (ICR1) - /1 (Timer/Counter1 Input Capture Register)

(MSB)15 14 13 12 11 10 9 8

ICR1H($87)


00000000Read/Write

(LSB)7 6 5 4 3 2 1 0

ICR1L($86)


00000000Read/Write

ICP1(/1)(TCNT1)/TOP

16CPU8(TEMP)16 7116


16.11.8. TIMSK1 - /1 (Timer/Counter1 Interrupt Mask Register)

- - ICIE1 - - OCIE1B OCIE1A TOIE17 6 5 4 3 2 1 0

TIMSK1($6F)

R/WR/WR/WRRR/WRR

00000000Read/Write

5 - ICIE1 : /1 (Timer/Counter1 Input Capture Interrupt Enable)

1 (SREG)(I)(1)/1/1 (TIFR1)(ICF1)(1)(34)

2 - OCIE1B : /1B (Timer/Counter1 Output Compare B Match Interrupt Enable)

1 (SREG)(I)(1)/1B/1 (TIFR1)1B(OCF1B)(1)(34)

1 - OCIE1A : /1A (Timer/Counter1 Output Compare A Match Interrupt Enable)

1 (SREG)(I)(1)/1A/1 (TIFR1)1A(OCF1A)(1)(34)

0 - TOIE1 : /1 (Timer/Counter1 Overflow Interrupt Enable)

1 (SREG)(I)(1)/1/1 (TIFR1)/1(TOV1)(1)(34)

16.11.9. TIFR1 - /1 (Timer/Counter1 Interrupt Flag Register)

- - ICF1 - - OCF1B OCF1A TOV17 6 5 4 3 2 1 0

TIFR1$16 ($36)

R/WR/WR/WRRR/WRR

00000000Read/Write

5 - ICF1 : /1 (Timer/Conter1, Input Capture Flag)

ICP1(1)(ICR1)WGM130TOPICF1TOP(1)

ICF1(0)1ICF1(0)

2 - OCF1B : /1B (Timer/Conter1, Output Compare B Match Flag)

(TCNT1)B(OCR1B)()/ (1)

(FOC1B)OCF1B(1)

BOCF1B(0)1OCF1B(0)

1 - OCF1A : /1A (Timer/Conter1, Output Compare A Match Flag)

(TCNT1)A(OCR1A)()/ (1)

(FOC1A)OCF1A(1)

AOCF1A(0)1OCF1A(0)

0 - TOV1 : /1 (Timer/Counter1 Overflow Flag)

(1)WGM130CTCTOV1/1(1)WGM130TOV18416-5.

/1TOV1(0)1TOV1(0)

() 7,6,4,30


17. /0/157/0(PWM)69/1(PWM)//0/1

17.1.

/ (CSn20=001) (fclk_I/O)/41fclk_I/O/8, fclk_I/O/64, fclk_I/O/256, fclk_I/O/1024

17.2.

(/)/0/1//(CSn20=52)/ N(8, 64, 256, 1024)1N+1

///

17.3.

T0/T1/ (fclk_T0/fclk_T1)T0/T1 ()17-1.T0/T1 (fclk_I/O) High(Low)

(CSn20=111)(CSn20=110)1clkT0/clkT1

17-1. T0/T1

QD

E

QD QD1

0

(/)

Tn

clkI/O

Tn_sync()

T0/T12.53.5

T0/T11 /

1 50%/50% (fEXTclk

17-2. /0/1

10clkI/O

clk I

/O

/8

clk I

/O

/64

clk I

/O

/256

clk I

/O

/1024

0 0T0

T1

CS10CS11CS12

CS00CS01CS02

clkT1/1

clkT0/0

/1

/0

/

/

R

PSRSYNC

: (T0/T1)/17-1.

17.4. /

17.4.1. GTCCR - / (General Timer/Counter Control Register)

TSM - - - - - PSRASY PSRSYNC7 6 5 4 3 2 1 0

GTCCR$23 ($43)

R/WR/WRRRRRR/W

00000000Read/Write

7 - TSM : / (Timer/Counter Synchronization Mode)

TSM1/()PSRASYPSRSYNC/1TSM0PSRASYPSRSYNC(0)/

0 - PSRSYNC : / (Prescaler Reset Timer/Counter 1,0)

1/0/1TSM(1)(0)/0/1/



18. 8 /2 (PWM, )

18.1.

2 / () (PWM) 10 (TOV2, OCF2A, OCF2B) I/O()32kHz

18.2.

/22PWM8 /8 /18-1.I/O2CPU(I/OI/O)I/O(:)I/O1008 /2

27PRR - PRTIM2/20

/

TOSC1

ASSR

TOSC2

clkI/O

(ASn)

clkASYclkI/O

18-1. 8 /

TCCRnA

OCRnA

8-bit Data Bus

TOVn ()

TCNTn

OCRnB

=

=

= =0

TOP

TOP BOTTOM

clkTn

OCnA

OCnB

OCFnA ()

OCFnB ()

TCCRnB

18.2.1.

/(TCNT2)(OCR2AOCR2B)8/2(TIFR2)/2(TIMSK2)()TIFR2TIMSK 2

/TOSC1/2(ASSR)/()// (clkT2)

2(OCR2AOCR2B)/(OC2AOC2B)PWM92(OCF2AOCF2B)(1)


18.2.2.

'n'/2xAB(/2TCNT2)

18-1.

18-1.

BOTTOM /$00

/$FF(255)MAX

/($FF)OCR2A(TOP)

TOP

18.3. /

/(clkT2)MCU(clkI/O)(ASSR)(AS2)1TOSC1TOSC2/104ASSR - 99/2

18.4.

8 /18-2.

18-2.

BOTTOM

TCNTn(/)

8-bit Data Bus

clkTn

TOVn ()

count TCNT21direction ()clear TCNT2($00)clkTn clkT2/ TOP TCNT2BOTTOM TCNT2($00)

count

direction

clear

TOP

/

TOSC1

TOSC2

clkI/O

()

/ (clkT2)($00)(+1)(-1)clkT2(CS220)(CS220=000)/TCNT2/ (clkT2)CPUCPU()

()/2A(TCCR2A)(WGM210)/2B(TC CR2B)(WGM22)()OC2A/OC2B94

/(TOV2)WGM220(1)TOV2CPU


18.5.

8TCNT2(OCR2AOCR2B)TCNT2OCR2AOCR2B/ (OCF2AOCF2B)(1)(I=1,OCIE2AOCIE2B=1)(0)I/O1(0)(WGM220)(COM2x10)MAXBOTTOM(94)

18-3.

OCR2x(PWM)2/(CTC)22TOPBOTTOMOCR2xPWM

OCR2x2CPUOCR2xOCR2x

18-3.

8-bit Data Bus

OCFnx ()

OCnxBOTTOMTOP

WGMn20 COMnx10

OCRnx

= (8)

OCRnx TCNTn

FOCnx

() nxOCR2xOCR2xOCR2xOCR2x

18.5.1.


18.5.2. TCNT2


18.5.3.

TCNT21/ /TCNT2TCNT2OCR2x()/BOTTOMTCNT2




18.6.

(COM2x10)2(OC2x)COM2x 10COM2x10OC2x18-4.COM2x10I/OI/OI/O(:)COM2x10I/O(PORTDDR)OC2xOC2xOC2x

18-4.

OCnx

QD

OCnx

QD

PORT

QD

DDR

1

0

8-bit D

ata

Bus

clkI/O

COMnx1COMnx0

FOCnx

COM2x10(1)I/O(OC2x)OC2x() (DDR)OC2x(DDR_OC2x)OC2x

OC2xCOM2x101008 /2

18.6.1.

CTCPWMCOM2x10COM2x10=00OC2xPWM10018-2.18-5.PWM10018-3.18-6.PWM10018-4.18-7.

COM2x10PWM(FOC2x)


18.7.

/(WGM220)(COM2x10)()COM2x10PWM(PWM)PWMCOM2x10(0)(1)1/0(93)

97/2

18.7.1.

(WGM220=000)(+)8(TOP=$FF)$00(BOTTOM)/(TOV2)TCNT2$00/ (1)TOV2(1)(0)9TOV2(0)/2/

CPU

18.7.2. /(CTC)

/(CTC)(WGM220=010)OCR2ACTC(TCNT2)OCR2A$00OCR2ATOP

CTC18-5.(TCNT2)TCNT2OCR2A(TCNT2)($00)

OCnx()

TCNTn

18-5. CTC

1 4 52 3

OCFnx(TOP)

TOP

: COMnx10=01

OCF2A/TOPTOPBOTTOMTOPCTC2OCR2ATCNT2()/()($FF)$00


N(1,8,32,64,128,256,1024)

/(TOV2)MAX$00/ (1)

fOCnx =fclk_I/O

2N(1OCRnx)


18.7.3. PWM

(PWM)(WGM220=011111)PWMPWM()PWMBOTTOMTOPBOTTOMTOPWGM220=011$FFWGM220=111OCR2A(COM2x10=10)(OC2x)TCNT2OCR2x(0)BOTTOM(1)(COM2x10 =11)(1)BOTTOM(0)PWM()PWM2D/APWM()

PWM//TOP/()/ ($00)PWM18-6.TCNT2()PWMOCR2xTCNT2()TCNT2OCR2x(:)(OCF2x)OCR2x= TOP(1)(:)

OCnx()(COMnx10=10)

TCNTn

18-6. PWM

1 42 3

OCRnxTOVn

OCRnx

OCnx()(COMnx10=11)

5 6 7

OCFnx

/(TOV2)TOP(1)

PWMOC2xPWMCOM2x10'10'PWMPWMCOM2x10'11'WGM22(1)COM2A10'01'OC2AOC2B(10018-3.18-6.) (:2)OC2x (DDR_OC2x)PWMTCNT2OCR2xOC2x()(1)((0))($00TOPBOTTOM)/ OC2x(0)(1)

PWM

N(1,8,32,64,128,256,1024)

OCR2xPWMPWMOCR2xBOTTOM($00)TOP+1 / ()OCR2xTOP(COM2x10)LowHigh

(:WGM220=111)PWM(50%)OC2A(COM2A10=01)OCR2A0($00) fOC2x= fclk_I/O/2PWM2CTCOC2A(COM2A10=01)

fOCnxPWM =fclk_I/O

N(1+TOP)


18.7.4. PWM

(PWM)(WGM220=001101)PWMPWM()BOTTOMTOPTOPBOTTOMTOPWGM220=001$FFWGM220=101OCR2A(COM2x10= 10)(OC2x)TCNT2OCR2x(0)(1)(COM2x10=11)()()()

PWMTOPTOPTCNT21/ TOPPWM18-7.TCNT2()PWMOCR2xTCNT2()TCNT2OCR2x(:)

OCnx()(COMnx10=10)

TCNTn

18-7. PWM

21

OCFnx

OCRnx

OCnx()(COMnx10=11)

3

TOVn

OCRnx

/(TOV2)/BOTTOM(1)BOTT OM

PWMOC2xPWMCOM2x10'10'PWMPWMCOM2x10'11'WGM02(1)COM0A10'01'OC0AOC0B(10018-4.18-7.) (:2)OC2x (DDR_OC2x)PWMTCNT2OCR2xOC2x()(1)((0))TCNT2OCR2xOC2x(0)((1))PWMPWM

N(1,8,32,64,128,256,1024)

OCR2xPWMPWMPWMOCR2xBOTTOM($00)LowTOPHighPWM

18-7.2OCnxHighLowBOTTOM2

18-7.OCR2xTOPOCR2xTOPOCnx(: LHHH)BOTTOM()TOP()OCnx(HL)

/OCR2xOC nx(: TOP(H)HL)


2NTOP


18.8. /

// (clkT2)clkI/O/(TOSC)(1)18-8./ PWMMAX

clkTn (clkI/O/1)

TCNT2

TOVn

clkI/O

18-8. (1/1)/


18-9.

clkTn (clkI/O/8)

TCNT2

clkI/O

18-9. (fclk_I/O/8)/


TOVn

18-10.CTCOCF2A

clkTn (clkI/O/8)

TCNT2

clkI/O



OCRnx

OCFnx

OCRnx

18-11.CTCTCNT2OCF2A

clkTn (clkI/O/8)

TCNT2 (CTC)

clkI/O



OCRnx

OCFnx

TOP


18.9. /2

/2

: /2//2(TCNT2)/2(OCR2x)/2(TCCR2x)

/2(TIMSK2)OCIE2xTOIE2(0)/2 (ASSR)(AS2) TCNT2,OCR2x,TCCR2x TCN2UB, OCR2xUB, TCR2xUB(=0) /2 (TIFR2)OCF2xTOV2(0)

CPU4

TCNT2,OCR2x,TCCR2x1TOSC12()3TCNT2OCR2x(ASSR)

TCNT2,OCR2x,TCCR2xA/D/2MCU/2TCNT2OCR2xOCR2xUB0MCUMCU

A/D/2()1TOSC11TOSC1A/D1TOSC1

TCNT2,OCR2x,TCCR2x (ASSR)0 A/D

/232.768kHz1/21TOSC/2

/2A/D/ /1MCU4SLEEP

TCNT2TCNT2TOSCTCNT2I/OTOSCI/O(clkI/O)()TCNT2TOSC()TOSCTCNT2

OCR2xTCCR2x (ASSR)(0) TCNT2

3+11


18.10. /2

/2clkT2SclkT2SI/O(clkI/O)/2(ASSR)(AS2)(1)/2TOSC1(RTC)/2AS2(1)TOSC1TOSC 2/2TOSC1TOSC232.768kHzTOSC1ASSR(EXCLK)(1)(:)

/2clkT2S/8, clkT2S/32, clkT2S/64, clkT2S/128, clkT2S/256, clkT2S/10240()clkT2S

/(GTCCR)/(PSRASY)(1)

18-12. /2

10

clkI/O

clk T

2S/32

clk T

2S/64

clk T

2S/256

clk T

2S/1024

0

TOSC1

AS2

atmega48a, atmega48pa, atmega88a, atmega88pa,...

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