STM8S-DISCOVERY原理图

1

2

3

4

A

A

B

B

U_ST_LINK ST_LINK.SCHDOC RESET# ST_LINK_SWIM SB1 SB2

U_MCU MCU.SchDoc RESET# ST_LINK_SWIM

C

C

D

STMicroelectronicsTitle: STM8S-Discovery Number:MB867 1 2 3 Rev: A.1(PCB.SCH) Date: 5/6/2009 4 Sheet 1 of 3

D

1

2

3

4

CN1 NRST PA2 A VDD PA3 PA5 1 2 3 4 5 6 7 8 9 10 11 12 Header 6X2H Left CN3 LD1 Green R1 510 VDDA PB7 PB5 PB3 PB1 PE7 1 2 3 4 5 6 7 8 9 10 11 12 PB6 PB4 PB2 PB0 PE6 PE3 PE1 PD0 PD2 PD4 PD6 PA1 VCAP PA4 PA6 VDD PE5 PC2 PC4 PC6 PG0

CN2 1 2 3 4 5 6 7 8 9 10 11 12 Header 6X2H Right CN4 1 2 3 4 5 6 7 8 9 10 11 12 Header 6X2H Top PE2 PE0 PD1 PD3 PD5 PD7 EX_PC1 EX_PC3 PC5 PC7 PG1 VDD

A

VDD 1 ST_LINK_SWIM 2

Header 6X2H Down

VDD B RESET# C1 10nF X1 16MHz C3 20pF C4 R5 20pF C VDD 680nF 60 C5 PA3 PA4 PA5 PA6 NRST PA1 PA2 VCAP 1 2 3 4 5 6 7 8 9 10 11 12 48 47 46 45 44 43 42 41 40 39 38 37 U1 STM8S105C6T6 36 35 34 33 32 31 30 29 28 27 26 25 PG1 PG0 PC7 PC6 VDD PC5 PC4 PC3 PC2 PC1 PE5 R7 10K[N/A] Extension connector B

Vdda Vssa PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 PE7 PE6

NRST OSCIN/PA1 OSCOUT/PA2 Vssio_1 Vss VCAP Vdd Vddio_1 PA3 PA4 PA5 PA6

PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 PE0 PE1 PE2 PE3 PG1 PG0 PC7 PC6 Vddio_2 Vssio_2 PC5 PC4 PC3 PC2 PC1 PE5

PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 PE0 PE1 PE2 PE3

C2 R2 R4 10K 1nF 1M<----Active shield C 2 SB3 solder bridge EX_PC1 3 1 3 1 2 SB4 solder bridge SB5

L1 VDD BEAD C6 1uF

VDDA PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 PE7 PE6 C7 100nF

13 14 15 16 17 18 19 20 21 22 23 24

R6 10K

<----ESD resistor close to MCU pad

<----Touch Sensing diameter 8mm EX_PC3 TS1 TS_PAD

+3V3 U5V D

1 2 3

JP1 VDD C8 100nF C9 100nF C10 100nF

STMicroelectronicsTitle: STM8S-Discovery MCU Number:MB867 1 2 3 Rev: A.1(PCB.SCH) Date: 8/24/2009 4 Sheet 2 of 3

D

1

2

3

4

R15 100K ASWIM_IN SWIM_RST SWIM_RST_IN STM_JRST STM_JTDO STM_JTDI STM_JTCK SWIM_IN SWIM

A

VDD U2 STM32F103C8T6 R8 SWIM_IN SWIM_RST_IN R9 220 220 R12 680SWIM SWIM_RST

+3V3

1

2

VDD_3 VSS_3 PB9 PB8 BOOT0 PB7 PB6 PB5 JNRST JTDO JTDI JTCK

C15 20pF

X2

C16 20pF+3V3 1 2 3 SWIM_PULLUP_CTL 4 5 OSC_IN OSC_OUT 6 STM_RST 7 8 C11 9+3V3 100nF AIN_1 10 11 M25_CS U2_TX 12

48 47 46 45 44 43 42 41 40 39 38 37

8MHz

+3V3 36 35 34 33 32 31 30 29 28 27 26 25STM_JTMS USB_DP USB_DM U1_RX U1_TX ST_LINK_LED T_JTMS T_JTCK

R13 R14

47 47

ST_LINK_SWIM RESET#

B

+3V3

R16 100K

CN5STM_JRST STM_JTDI STM_JTCK

SWIM_IN SWIM

U2_RX U2_CK T_JTCK T_JTDO T_JTDI T_NRST T_JRST

13 14 15 16 17 18 19 20 21 22 23 24

U2_RX U2_CK S1_CK S1_MISO S1_MOSI PB0 PB1 PB2/BOOT1 PB10 PB11 VSS_1 VDD_1

VBAT PC13 PC14 PC15 OSC_IN OSC_OUT/RST VSSA VDDA PA0 PA1 U2_TX

VDD_2 VSS_2 JTMS PA12 PA11 PA10 PA9 PA8 S2_MOSI S2_MISO S2_CK PB12

VDD

CN7 1 2 3 4 Header 4

B

8 6 4 JTAG

C

7 5 STM_JTMS 3 STM_JTDO 1

+3V3

SWIM

+3V3 MCU

C

+3V3ST_LINK_LED

R17 510 R19 4K7

LD2 RED R20 4K7AIN_1

R18 1K5 CN6 VCC DD+ GND SHELL SHELL 1 2 3 4 0 0 U5V R21 R22 22 USB_DM 22 USB_DP U5V 3 C18 4.7uF U4 LD1117-3V3 Vin Vout 2 C19 4.7uF C12 104P C13 104P C17 104P C14 104P VDD

+3V3

LED

D

1

U

SB-typeB connector

STMicroelectronicsTitle: STM8S-Discovery ST_LINK (SWIM only) Number:MB867 Rev: A.1(PCB.SCH) Date: 6/25/2009 4 Sheet 3 of 3

D

USB 1 2 3