introduction features - st

November 2011 Doc ID 022392 Rev 1 1/20

UM1482User Manual

STM8SVLDISCOVERYSTM8S value line discovery

IntroductionThe STM8SVLDISCOVERY is a quick start evaluation kit which helps you to discover the STM8S value line features, and to develop your own application. It is based on an STM8S003 and includes an embedded debugger, ST-LINK, and a user button. Numerous applications are available from www.st.com/stm8svldiscovery.

Features● STM8S003K3T6 microcontroller, 8 KB Flash, 1 KB RAM, 128 bytes EEPROM

● Powered by USB cable between PC and STM8SVLDISCOVERY

● Selectable power of 5 V or 3.3 V

● Push button, B1

● User LED, LD1

● Extension header for all I/Os

● Wrapping area for users own application

● Embedded ST-LINK for STM8S

● USB interface for programming and debugging

● SWIM debug support

Figure 1. STM8SVLDISCOVERY evaluation board

www.st.com

http://www.st.com

Contents UM1482

2/20 Doc ID 022392 Rev 1

Contents

1 Quick start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Hardware and layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1 STM8S003K3T6 microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 ST-LINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.2.1 Using the ST-LINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.2.2 Using the ST-LINK on other STM8S applications . . . . . . . . . . . . . . . . . 10

2.3 Power supply and power selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.4 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.5 Push button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3 Daughterboard connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4 Mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5 Electrical schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

UM1482 List of tables

Doc ID 022392 Rev 1 3/20

List of tables

Table 1. SWIM connector CN7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Table 2. CN1 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Table 3. CN2 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Table 4. CN3 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Table 5. CN4 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Table 6. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

List of figures UM1482

4/20 Doc ID 022392 Rev 1

List of figures

Figure 1. STM8SVLDISCOVERY evaluation board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Figure 2. Hardware block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Figure 3. Top layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Figure 4. STM8S003K3T6 package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Figure 5. STM8S003 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Figure 6. Typical configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Figure 7. ST-LINK without breaking the PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Figure 8. Separated ST-LINK module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Figure 9. Power selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Figure 10. STM8SVLDISCOVERY mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Figure 11. STM8SVLDISCOVERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Figure 12. STM8SVLDISCOVERY MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Figure 13. STM8SVLDISCOVERY ST-LINK (SWIM only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

UM1482 Quick start

Doc ID 022392 Rev 1 5/20

1 Quick start

It is very simple to get started using the STM8SVLDISCOVERY, just follow these four steps:

1. Connect the STM8SVLDISCOVERY to a PC with a USB cable.

2. Press the B1 button, and observe LED LD1 blinking.

3. Press the B1 button to change blinking speed.

4. Visit www.st.com/stm8svldiscovery and follow the tutorial, then discover other applications.

You can discover more of the STM8S features by downloading and executing the proposed programs in the project list.

Note: The software code corresponding to this application is available under the name Discover (AN3996) in the project list of the STM8SVLDISCOVERY web page.

Hardware and layout UM1482

6/20 Doc ID 022392 Rev 1

2 Hardware and layout

The STM8SVLDISCOVERY is designed around the STM8S003K3T6 microcontroller in an LQFP32 package. It has two distinct sections that may be separated, the STM8S003K3T6 module and the ST-LINK module.

Figure 2 illustrates the connections between the STM8S003K3T6 and its peripherals (ST-LINK, user button, LED and connectors).

Figure 3 helps you to locate these features on the STM8SVLDISCOVERY board, as well as the potential point of separation (for more details refer to Section 2.2.2: Using the ST-LINK on other STM8S applications).

Figure 2. Hardware block diagram

UM1482 Hardware and layout

Doc ID 022392 Rev 1 7/20

Figure 3. Top layout

1

C12

SB2

C4

R5

C9

CN3

CN4

LD1

C11

C16

R21

R20

R22

U3

U2

C17

R1

R19

R17

LD2

CN2

1

R13

1

R8

X1

C10

R14

X2

PD5

PD4

PD3

PD2

PD1

PD0

1

PB5

PB4

PB3

PB2

PB0

PB1

PA3 PF4

PA2PA1NRSTGND

CN1

JP1

CN7

U4

C5

R7

C3

VDDU5V

SB1

C19

C1

U1

R16

R9

R18

CN6

SB5

B1

C100

R100

RoHS

C14

R15

CN5

PE5PC1

PC5 PC4

C13

1

VCAPGND

R12

1

C8

PD7

PD6

C15

PC7 PC6

PC3 PC2

PB7

PB6

3V3

C18

MB1008A

STM8S Value line discovery

www.st.com/stm8svldiscovery

USB connector

LED (LD2 )

ST-LINK core

SWIM connector

LED (LD1)Power supply jumper

External oscillator (16 MHz) footprint

STM8S003K3T6

User button (B1)

Wrapping area

SO16 footprint

ST

M8S

003K

3T6

mod

ule

ST-

LIN

K m

odul

e

Possible separation point


8/20 Doc ID 022392 Rev 1

2.1 STM8S003K3T6 microcontroller

Figure 4. STM8S003K3T6 package

This device provides the following key features:

● High-performance proprietary 8-bit core with excellent code density

● Innovative design architecture, 16-bit index registers, 32-bit memory interface and 3-stage pipeline

● Leading-edge embedded Flash memory technology

● Advanced clock controller to optimize power consumption and noise control

● Large set of embedded peripherals: UART, I²C, SPI, timers, analog, and debugging function

These features provide the following benefits:

● Cost efficiency based on optimized product manufacturing flow

● Lower system cost with embedded peripherals

● Full compatibility with existing STM8S product portfolio

● Efficient power management

● Easy-to-use, non-intrusive, and low-cost development environment

It is particularly suitable for applications such as:

● Consumer electronics

● Large-volume industrial equipment

● PC peripherals

● All mass market electronics


Doc ID 022392 Rev 1 9/20

Figure 5. STM8S003 block diagram

For more information see the STM8S003xx datasheet (Doc ID 018576) on the ST website.

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10/20 Doc ID 022392 Rev 1

2.2 ST-LINK The ST-LINK provides a USB interface for programming and debugging using a single wire interface module (SWIM). The ST-LINK module of the STM8SVLDISCOVERY also supplies 5 V and 3.3 V to the STM8S003K3T6 module.

2.2.1 Using the ST-LINK

Figure 6. Typical configuration

Note: The driver for ST-LINK is installed automatically when the USB is connected.

For information about debugging and programming features refer to ST-LINK, STVD, STVP and SWIM on www.st.com.

2.2.2 Using the ST-LINK on other STM8S applications

You can connect your ST-LINK to other STM8S applications in 2 ways:

● By removing the solder bridges: This way uses the ST-LINK without breaking the PCB. Unsolder the two solder bridges SB1 and SB2 under the SWIM connector. See Figure 7. You can re-solder the two bridges at a later date thus keeping the STM8SVLDISCOVERY usable.

● By breaking the board and removing the ST-LINK: This way constitutes a good alternative to programming the STM8S devices in other applications. See Figure 8.

Note: This ST-LINK only supports the STM8S family. Do not use it with other STM8 families.

Figure 7. ST-LINK without breaking the PCB

C12

SB2

LD1

C11

R20

U2

R1

R19

R13

1

R8

R14

X2

CN7

VDDU5V

SB1

R16

R9

C14

C13

R12

C15

3V3

www.st.com/stm8svldiscoveryRemove SB1 and SB2 solder bridges

SWIM connector CN7


Doc ID 022392 Rev 1 11/20

Figure 8. Separated ST-LINK module

Warning: By removing this module you will lose power supply on the STM8S003K3T6 evaluation board. Consequently, you will need a SWIM cable and an external power supply to program and use the STM8S003K3T6 board. To reconnect your STM8S003K3T6 use connector CN7 see Table 1.

Table 1. SWIM connector CN7

Pin CN2 Designation

1 VDD_TARGET VDD from application

2 SWIM SWIM data input/output

3 GND Ground

4 SWIM_RST SWIM reset

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12/20 Doc ID 022392 Rev 1

2.3 Power supply and power selectionThe power supply is provided by a USB connector. Jumper JP1 selects the VDD value (5 V or regulated 3.3 V) see Figure 9.

Figure 9. Power selection

2.4 LEDsThe ST-LINK provides two LEDs:

● LD1: Green LED LD1 is connected to the I/O PD0 of STM8S003K3.

● LD2: Red LED LD2 indicates communication between PC and ST-LINK.

2.5 Push buttonPush button B1 is connected to the I/O PB7 of STM8S003K3.

UM1482 Daughterboard connection

Doc ID 022392 Rev 1 13/20

3 Daughterboard connection

Four 12-pin male headers CN1, CN2, CN3 and CN4 are connected to the STM8S003K3T6 microcontroller.

See the following tables for pin assignments.

Table 2. CN1 pinout

CN1pin

Pin(chip)

Pin name

Typ

e

Main function Alternate function

1 1 NRST I/O Reset

2 2 OSCIN/PA1 I/O Port A1

3 3 OSCOUT/PA2 I/O Port A2

4 4 GND S Digital ground

5 4 GND S Digital ground

6 5 VCAP S1.8 V regulator capacitor

NC 6 VDD S Digital power supply

7 7 PA3 I/O Port A3 Timer 2 - channel 3 / SPI master slave

8 8 PF4 I/O Port F4

Table 3. CN2 pinout

CN2pin

Pin(chip)

Pin name

Typ

e


1 17 PE5 I/O Port E5 SPI master slave

2 18 PC1 I/O Port C1 Timer 1 - channel 1 / UART2 synchronous clock

3 19 PC2 I/O Port C2 Timer 1 - channel 2



6 22 PC5 I/O Port C5 SPI clock

7 23 PC6 I/O Port C6 SPI master out / slave in

8 24 PC7 I/O Port C7 SPI master in / slave out

Daughterboard connection UM1482

14/20 Doc ID 022392 Rev 1

Table 4. CN3 pinout

CN3in

Pin (chip)

Pin name

Typ

e


1 9 PB7/B1 IO Port B7

2 10 PB6 IO Port B6

3 11 PB5 I/O Port B5 I2C data

4 12 PB4 I/O Port B4 I2C clock

5 13 PB3 I/O Port B3 Analog input 3 / Timer 1 external trigger

6 14 PB2 I/O Port B2 Analog input 2 / Timer 1 inverted channel 3



Table 5. CN4 pinout

CN4pin

Pin (chip)

Pin name

Typ

e


1 25 PD0/LD1 I/O Port D0 Timer 1 - break input / configurable clock output

2 26 PD1/SWIM I/O Port D1 SWIM data interface

3 27 PD2 I/O Port D2 Timer 2 - channel 3

4 28 PD3 I/O Port D3 Timer 2 - channel 2 / ADC external trigger

5 29 PD4 I/O Port D4 Timer 2 - channel 1 / BEEP output

6 30 PD5 I/O Port D5 UART1 data transmit

7 31 PD6 I/O Port D6 UART1 data receive

8 32 PD7 I/O Port D7 Top level interrupt / Timer 1 - channel 4

UM1482 Mechanical drawing

Doc ID 022392 Rev 1 15/20

4 Mechanical drawing

Figure 10. STM8SVLDISCOVERY mechanical drawing

1

C12

SB2

C4

R5

C9

CN3

CN4

LD1

C11

C16

R21

R20

R22

U3

U2

C17

R1

R19

R17

LD2

CN2

1

R13

1

R8

X1

C10

R14

X2PD

5PD

4

PD3

PD2

PD1

PD0

1

PB5

PB4

PB3

PB2

PB0

PB1

PA3 PF4

PA2PA1NRSTGND

CN1

JP1

CN7

U4

C5

R7

C3

VDDU5V

SB1

C19

C1

U1

R16

R9R

18

CN6

SB5

B1

C100

R100

RoHS

C14

R15

CN5

PE5PC1

PC5 PC4

C13

1

VCAPGND

R12

1

C8

PD7

PD6

C15

PC7 PC6

PC3 PC2

2.54

mm

7.62

mm

15.2

4mm

PB7

PB6

2.54

mm

7.6m

m

106.

64m

m

10.1

6mm

106.

64m

m

3V3

C18

2.54mm

5.08mm

MB1008A

45mm

7.62mm15.24mm

45mm40.64mm

15.2

4mm

32.9

8mm

15.2

4mm

43.1

8mm

22.8

6mm

22.8

6mm

15.2

4mm

12.7mm1.82mm

4.36mm

STM8S Value line discovery

www.st.com/stm8svldiscovery

Electrical sch

ematics

UM

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5 Electrical schematics

Figure 11. STM8SVLDISCOVERY

STMicroelectronicsTitle:

Number: Rev: Sheet ofA.1(PCB.SCH) Date:7/13/2011MB1008 1 3

STM8SVALUE-Discovery

RESET#ST_LINK_SWIM

U_MCUMCU.SchDoc

RESET#ST_LINK_SWIM

U_ST_LINKST_LINK.SCHDOC

SB1SB2

UM

1482E

lectrical schem

atics

Doc ID

022392 Rev 1

17/20

Figure 12. STM8SVLDISCOVERY MCU

1

1

2

2

3

3

4

4


Number: Rev: Sheet ofA.1(PCB.SCH) Date:7/13/2011MB1008 2 3

STM8SVALUE-Discovery MCU

C420pF

C320pF

X116MHz

R5 601

2

LD1Green

VDD

R1510

12

3

JP1

U5V

+3V3 VDD

R710K

VDD

C110nF

NRSTPA1PA2

PA3

VCAP

C5

680nFVDD

PB0

PB1

PB2

PB3

PB4

PB5

PB6

PB7

PC1PC2PC3PC4PC5PC6PC7

PD0

PD1

PD2

PD3

PD4

PD5

PD6

PD7

C8100nF

C9100nF

C10100nF

RESET#

ST_LINK_SWIM

NRST PA1PA2

PA3 PF4VCAP

PB0PB1PB2PB3PB4PB5PB6PB7

PE5 PC1PC2 PC3PC4 PC5PC6 PC7

PD0 PD1PD2 PD3PD4 PD5PD6 PD7

Top

RightLeft

Down

Extension connector

C100

100nF

R1004.7K

VDD

123

4

B1

SW-PUSH-CMS

SB5

USER & WAKE-UP Button

PB7

NRST1

OSCIN/PA12

OSCOUT/PA23

Vss4

VCAP5

Vdd6

PA37

PF48

PB7

9

PB6

10

PB5

11

PB4

12

PB3

13

PB2

14

PB1

15

PB0

16PE5 17PC1 18PC2 19PC3 20PC4 21PC5 22PC6 23PC7 24

PD0

25PD

126

PD2

27PD

328

PD4

29PD

530

PD6

31PD

732

U1STM8S003K3T6C

PF4 PE5

1 23 45 67 8

CN1

Header 4X2H

1 23 45 67 8

CN2

Header 4X2H

1 23 45 67 8

CN3

Header 4X2H

1 23 45 67 8

CN4

Header 4X2H

Not Fitted

Not Fitted

Electrical sch

ematics

UM

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Figure 13. STM8SVLDISCOVERY ST-LINK (SWIM only)

1

1

2

2

3

3

4

4


Number: Rev: Sheet ofA.1(PCB.SCH) Date:7/13/2011

VBAT1

PC132

PC143

PC154

OSC_IN5

OSC_OUT6

/RST7

VSSA8

VDDA9

PA010

PA111

U2_TX12U2_

RX

13

U2_

CK

14

S1_C

K15

S1_M

ISO

16

S1_M

OSI

17

PB0

18

PB1

19

PB2/BOOT1

20

PB10

21

VSS

_123

VDD_1

24

PB12 25

PB11

22

S2_CK 26S2_MISO 27S2_MOSI 28PA8 29PA9 30PA10 31PA11 32PA12 33JTMS 34VSS_2 35VDD_2 36

JTCK

37JT

DI

38JT

DO

39JN

RST

40PB

541

PB6

42PB

743

BOOT0

44PB

845

PB9

46VSS

_347

VDD_3

48

U2STM32F103C8T6

20pFC16

20pFC15

1 2X2

8MHz+3V3

U2_TXU2_RX

U2_CK

M25_CS

VCC 1

D- 2

D+ 3

GND 4

SHELL 0

SHELL 0

CN6

USB-typeB connector

U5V

USB_DMUSB_DP

USB_DMUSB_DP

STM_RST

T_JTCK

T_JTCK

T_JTDO

T_JTDI

T_JTMS

+3V3

STM_JTMS

STM_JTCK

STM_JTDI

STM_JTDO

STM_JRST

+3V3

OSC_INOSC_OUT

U1_TXU1_RX

1345678

CN5

JTAG

STM_JRST

STM_JTDOSTM_JTDI STM_JTMSSTM_JTCK

T_NRST

T_JRST

LD2

RED

ST_LINK_LED

R19

4K7

R20

4K7

AIN_1C11100nF

R16

100K

R181K5

R21 22R22 22

R17

510

R15

100K

+3V3

+3V3

VDD

+3V3

+3V3

+3V3

SWIMSWIM_RST

SWIM_INSWIM_RST_IN

SWIM_IN

SWIM_IN

SWIM_IN

SWIM

SWIM

SWIM_RST_IN

SWIM_RST

AIN_1

MCU

SWIM

USB

VDD

RESET#ST_LINK_SWIM

MB1008 3 3

STM8SVALUE-Discovery ST_LINK (SWIM only)

R9 220R8 220

SWIM_PULLUP_CTL

LED

ST_LINK_LED

+3V3

R14 47R13 47

R12680

C13104P

C17104P

C184.7uF

C194.7uF

Vin3 Vout 2

1

U4LD1117-3V3

C14104P

C12104P

U5V

1234

CN7

Header 4

VDD

Not Fitted

UM1482 Revision history

Doc ID 022392 Rev 1 19/20

6 Revision history

Table 6. Document revision history

Date Revision Changes

18-Nov-2011 1 Initial release.

UM1482

20/20 Doc ID 022392 Rev 1

Please Read Carefully:

Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve theright to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at anytime, without notice.

All ST products are sold pursuant to ST’s terms and conditions of sale.

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