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  • NXP Cortex -M0 LPC1100L Design with a Cortex -M0 in a DIP packageASEE Tech Session Sergio Scaglia (NXP Semiconductors)August 2012

  • 2

    Agenda

    NXP Microcontroller Portfolio

    Cortex M0

    LPC1100L Family

    Support/Resources

    Hands-On Lab

    Questions

  • 3

    NXP is a leader in ARM Flash MCUs

    Clear strategy: 100% focus on ARM

    Top performance through leading technology & architecture

    Design flexibility through pin- and software-compatible solutions

    Scalable memory sizes Widest range of peripherals

    Unlimited choice through complete families for multiple cores

    3

  • 4

    8-bit 16-bit 32-bit DSP

    cost performance

    NXP MCU the only complete ARM range of Cortex-M0, Cortex-M3 and Cortex-M4 processors

    NXP ARM Cortex-M Continuum

    Cortex-M4Cortex-M3Cortex-M0

    True 8/16-bit replacement- low power, low cost, more performance

    High performance for communication and control- USB, Ethernet, CAN, and much more

    Advanced Digital Signal control- Floating point unit- Dual-core options

    Over 250 different ARM based microcontrollers available!!

    Entry levelCortex-M0

    Fully featured Cortex-M4

    (* Recommended price at 10kpcs)

    4

  • 5

    Cortex-M4Up to 204 MHz

    Cortex-M4Up to 204 MHz

    Rapidly growing family of ARM Cortex-M MCUs Check pin- and software compatible options: www.nxp.com/microcontrollers

    LPC4300LPC4300

    Cortex-M3Up to 180MHz

    Cortex-M3Up to 180MHz

    LPC1300LPC1300

    LPC1700LPC1700

    LPC1800LPC1800

    USB solution, incl. on-chip USB drivers

    High-performance with USB, Ethernet, LCD, and more

    Memory options up to 1MB flash, 200k SRAM

    High Performance Dual Core Cortex-M4/M0

    5

    LPC4000LPC4000 FPU and DSP extensions

  • 6

    Cortex-M0 was designed to replace 8/16-bit architectures

    ARMs smallest, lowest-power, and most energy-efficient 32-bit MCU core to date

    Simplicity! Small instruction set keeps silicon area and gate count similar to traditional 8/16-bit MCUs

    NXPs Cortex -M0 True 8/16-bit replacement

    6

  • 7

    Widest Selection of Cortex -M0 Packages

    NXP offers the widest selection of packages for Cortex-M0 devices

    Worlds first low-pin-count 32-bit ARM packages

    Worlds smallest 32-bit ARM MCU 2 x 2 mm2

    Package CSP16 QFN33 QFN33 BGA48 QFP48 QFP64 QFP100 SO20 TSSOP20 TSSOP28 DIP28

    Width(mm)

    2 5 7 4.5 7 10 14 8 5 5 14

    Length(mm)

    2 5 7 4.5 7 10 14 13 7 10 35

    Height(mm)

    0.60 .85 .85 0.7 1.40 1.40 1.40 2.45 0.95 0.95 4.00

    Sample Picture

  • 8

    32K Flash, up to 10K SRAM, up to 4K EEPROM

    LQFP64 package offering

    Platform for mbed

    32K Flash, 6K SRAM

    Low cost USB

    Platform for LPCXpreso

    USB Solutions for Cortex-M0

    LPC11U1x

    LPC11U3x

    LPC11U2x

    Pin-to-

    Pin Co

    mpatib

    le

    40-128K Flash, up to 10K SRAM, up to 4K EEPROM

    Small sector size (256 bytes)

    LQFP64 package offering

    LPC134x

    Up to 64K Flash, up to 10K SRAM, up to 4K EEPROM

    Small sector size (256 bytes)

    LQFP64 package offering

    8

  • 9

    ARM Cortex -M0 Re-defining 32-bit migration

    2-10x higher performance than 8/16-bit MCUs

    40-50% smaller code size than 8/16-bit MCUs

    2-3x power saving compared to 8/16-bit MCUs

    Pin compatible options from M0 to M3

    ARM s smallest, lowestsmallest, lowestsmallest, lowestsmallest, lowest----power, power, power, power, and most energyand most energyand most energyand most energy----efficient 32efficient 32efficient 32efficient 32----bitbitbitbit----processor processor processor processor core to date

  • 10

    CoreMark Benchmarks Performance

    CoreMark Performance

    LPC1100L 16-bitMSP430

    8-bitATMega

    0.2

    0.4

    0.6

    0.8

    1.0

    1.2

    1.4

    1.6

    Cor

    eMar

    kS

    core

    2-10x higher performance than 8/16-bit MCUs

    ARM Cortex-M 8-bit or 16-bit

    Pow

    er

    Pow

    er

    Time Time

    EN

    ER

    GY

    E

    FF

    ICIE

    NT

    EN

    ER

    GY

    C

    OS

    T

    http://www.arm.com/products/processors/cortex-m/index.php

    10

  • 11

    8- vs. 16-bit vs. Cortex -M0 Current Comparison

  • 12

    Cortex -M0 Has Lower Power Consumption

    Cortex-M0 runs at a much slower clock frequency for the same required performance

    Cortex-M0 can sleep most of the time, or spare the resource for handling additional tasks

  • 13

    Superior Code Density (e.g. 16 -bit Multiply)8888----bit (8051) bit (8051) bit (8051) bit (8051) 16161616----bit (MSP430)bit (MSP430)bit (MSP430)bit (MSP430) ARM CortexARM CortexARM CortexARM Cortex----M0M0M0M0

    MOV A, XL ; 2 bytesMOV B, YL ; 3 bytesMUL AB; 1 byteMOV R0, A; 1 byteMOV R1, B; 3 bytesMOV A, XL ; 2 bytesMOV B, YH ; 3 bytesMUL AB; 1 byteADD A, R1; 1 byteMOV R1, A; 1 byteMOV A, B ; 2 bytesADDC A, #0 ; 2 bytesMOV R2, A; 1 byteMOV A, XH ; 2 bytesMOV B, YL ; 3 bytes; 1 byteADD A, R1; 1 byteMOV R1, A; 1 byteMOV A, B ; 2 bytesADDC A, R2 ; 1 bytesMOV R2, A; 1 byteMOV A, XH ; 2 bytesMOV B, YH ; 3 bytesMUL AB; 1 byteADD A, R2; 1 byteMOV R2, A; 1 byteMOV A, B ; 2 bytesADDC A, #0 ; 2 bytesMOV R3, A; 1 byte

    MOV R4,&0130hMOV R5,&0138hMOV SumLo,R6 MOV SumHi,R7 (Operands are moved to and from a memory mapped hardware multiply unit)

    MULS r0,r1,r0

    Time: 48 clock cyclesCode size: 48 bytes

    Time: 8 clock cyclesCode size: 8 bytes

    Time: 1 clock cycleCode size: 2 bytes

    28

    Instructions4

    Instructions1 1 1 1

    Instruction

  • 14

    CoreMark Benchmarks Code Size

    http://www.arm.com/products/processors/cortex-m/index.php

    Code Size Comparison

    LPC1100L 16-bitMSP430

    8-bitATMega

    2000

    4000

    6000

    8000

    10000

    12000

    14000

    16000

    18000

    20000

    Byt

    es

    40-50% smaller code size than 8-/16-bit http://www.coremark.org

  • 15

    Superior Code Density

    16

    32

    48

    64

    Instruction Size for Various Processors

    8051 PIC18 PIC24 MSP430/MSP430XLeading to superior code density:

    In Cortex-M0 all instructions (except BL) are 16-bit wide instructions

    Over 64K of address space, 8- and 16- processors have to introduce paging leading to extra overhead in code

    Efficiency of the Cortex-M0 instruction set (next slide)

    Cortex-M0

  • 16

    LPC1100L in Low -Pin-Count PackagesCortex-M0 Core up to 50 MHz

    Lowest Active Current 130 uA/MHz

    (LPC1100XL 110 uA/MHz)

    Memory: Up to 32 KB on-chip flash

    Up to 4 KB SRAM

    Peripherals U(S)art (1), SPI/SSP (1), I2C (1)

    4x general purpose Timers with PWM

    10-bit 5-channel ADC

    Programmable WDT and WD Oscillator

    +/- 1 % accuracy, 12 MHz IRC Oscillator

    Single power supply (1.8 V to 3.6 V)

    SO, TSSOP, DIP package options

  • 17

    Important Features for 8/16 -bit MCU Customers

    Timers with PWM Generation For each timer, up to four match registers can be configured as PWM, each timer supports up to three match outputs as single edge controlled PWM outputs;

    Dynamic System Clock Switching Change frequency on the fly depending on processing demand. The LPC1100 current consumption at 50 MHz is specified at 7mA. This can be reduced to a little over 130uA when running at 1 MHz on the low-power internal oscillator;

    Clock Output Clock output with divider can reflect the system oscillator clock, IRC clock, CPU clock, and the Watchdog clock. Output can source downstream devices such as other microcontrollers, CPLD or FPGA;

    Interrupt via Any GPIO Any GPIO pins can be used as Edge and Level Sensitive interrupt sources;

    Programmable Pull Up/Down/Open Drain Internal pull-up/pull-down resistor, pseudo open drain or bus keeper function;

    Enhanced GPIO Pin Manipulation Capable of simultaneously reading Bit/Byte/Word or toggling up to 22 I/Os per instruction

  • 18

    Low -Pin-Count Package Options

    Final Part Number SRAM Flash Package Pin Count I2C SPI UART 16b Timer 32b Timer ADC GPIO

    LPC1110FD20 1 4 SO 20 1 1 1 2 2 10b, 5ch 16

    LPC1111FDH20 /002 2 8 TSSOP 20 1 1 1 2 2 10b, 5ch 16

    LPC1112FD20 /102 4 16 SO 20 1 1 1 2 2 10b, 5ch 16

    LPC1112FDH20 /102 4 16 TSSOP 20 0 1 1 2 2 10b, 5ch 14

    LPC1112FDH28 /102 4 16 TSSOP 28 1 1 1 2 2 10b, 6ch 22

    LPC1114FDH28 /102 4 32 TSSOP 28 1 1 1 2 2 10b, 6ch 22

    LPC1114FN28 /102 4 32 DIP 28 1 1 1 2 2 10b, 6ch 22

    SO20 TSSOP20(2 Options)

    TSSOP28 DIP28

  • 19

    Why Choose LPC Package Devices from NXP

    Manufacturing Efficiency and Supply Guarantee NXP ships over three billion Low-Pin-Count packages per year, no back-

    end capacity constraints High manufacturing efficiency and cost leverage for these MCU devices

    Clear Migration Path Firmware compatible with other NXP Cortex-M0 devices Firmware re-usable when upgrade to NXP Cortex-M3 devices

    $0.49 Today Low-Pin-Count devices starts at $0.49 for 10Kpc via distribution

  • 20

    Targeted Applications

    Consumer Electronics Human Input Devices (e.g. mouse) Simple motor control (e.g. fan control) Toys Small appliances

    Industrial Control Thermostat Lighting / Home Security

    Medical Portable health care products

    More

  • 21

    Where to get started?

    www.nxp.com/microcontrollers MCU homepage

    www.nxp.com/lpczone Product updates and training

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