GND
GND
3V3
NRST
22
21
PB11
ADC9
RX3
T3C4
PB10
19
18
PB1
PB0 ADC8 T3C3
SDA2
7
17 PA7 ADC7 MOSI1 T3C2 T1C1N
T1C2N
T1C3N
TX3SCL2 T2C3N
T2C4N
16 PA6 ADC6 MISO1 T3C1 T1BKIN
15
14
PA5 SCK1
PA4
ADC5
NSS1ADC4
Rasmus Friis Kjeldsenreblag.dk/stm32
13 PA3 ADC3 T2C4
12 PA2 ADC2 TX2 T2C3
11 PA1 ADC1 RTS2 T2C2
RX2
CK2
10 PA0 ADC0 CTS2 T2C1E WKUP
4 PC15 OSC32 OUT
3 PC14 OSC32 IN
2 PC13 TAMPER RTC
1 VBAT
LEGENDPOWER
GROUND
PHYSICAL PIN
CONTROL
PIN NAME
ANALOG
USART
TIMER & CHANNEL
25PB12NSS2 SMBAl2CK3
PC13 LED
26PB13
27PB14
28PB15
29PA8
30PA9
31PA10
32PA11
33PA12
38PA15
39PB3
40PB4
41PB5
42PB6
43PB7
45PB8
46PB9
GND
3V3
5V
PINOUT DIAGRAM
THE GENERIC
RESET BUTTON
BOARD HARDWARE
MISC
SCK2
MISO2
USB-
USB+
JTRST
SMBAl1
JTDI
JTDO
MOSI2
CK1
TX1
RX1
CTS1
RTS1
NSS1
SCK1
MISO1
MOSI1
SCL1
SDA1
SCL1
SDA1
T4C3
T4C4
T1BKIN
T1C1N
T1C2N
T1C3N
T1C1
T1C2
T1C3
T1C4
T1ETR
T2C1E
T2C2
T3C1
T2C2
T4C1
T4C2
NSS2
CTS3
RTS3
MCO
CANRX
CANTX
TRACESWO
TX1
RX1
CANRX
CANTX
373V3 34 GND
SWCLK JTCK PA14SWDIOJTMSPA13
44 BOOT0
GND
3V3
GND
3V3
20PB2BOOT1
Absolute MAX 150mAtotal source/sink for entire CPU
STM32F103
5V tolerant
Not 5V tolerant
PWM pin
Alternate function
!
!
!
! PC13,PC14,PC15:Sink max 3mA, source 0mA,max 2mhz,max 30pF
Max ±20mA per pin, ±8mA recommended
00
1 1
Boot 0
Boot 1
SPI
I2C
CAN BUS
USB
V1.0
