Datasheet

Pin descriptions STM32F103x8, STM32F103xB
24/84
F7 24 32 50 19 V
DD_1
SV
DD_1
K8 25 33 51 - PB12 I/O FT PB12
SPI2_NSS/
I2C2_SMBAl/
USART3_CK
(6)
/
TIM1_BKIN
(6)
J8 26 34 52 - PB13 I/O FT PB13
SPI2_SCK/
USART3_CTS
(6)
TI
M1_CH1N
(6)
H8 27 35 53 - PB14 I/O FT PB14
SPI2_MISO/
USART3_RTS
(6)
TIM1_CH2N
(6)
G8 28 36 54 - PB15 I/O FT PB15
SPI2_MOSI/
TIM1_CH3N
(6)
K9 - - 55 - PD8 I/O FT PD8 USART3_TX
J9 - - 56 - PD9 I/O FT PD9 USART3_RX
H9 - - 57 - PD10 I/O FT PD10 USART3_CK
G9 - - 58 - PD11 I/O FT PD11 USART3_CTS
K10 - - 59 - PD12 I/O FT PD12
TIM4_CH1 /
USART3_RTS
J10 - - 60 - PD13 I/O FT PD13 TIM4_CH2
H10 - - 61 - PD14 I/O FT PD14 TIM4_CH3
G10 - - 62 - PD15 I/O FT PD15 TIM4_CH4
F10 - 37 63 - PC6 I/O FT PC6 TIM3_CH1
E10 38 64 - PC7 I/O FT PC7 TIM3_CH2
F9 39 65 - PC8 I/O FT PC8 TIM3_CH3
E9 - 40 66 - PC9 I/O FT PC9 TIM3_CH4
D9 29 41 67 20 PA8 I/O FT PA8
USART1_CK/
TIM1_CH1
(6)
/MCO
C9 30 42 68 21 PA9 I/O FT PA9
USART1_TX
(6)
/
TIM1_CH2
(6)
D10 31 43 69 22 PA10 I/O FT PA10
USART1_RX
(6)
/
TIM1_CH3
(6)
C10 32 44 70 23 PA11 I/O FT PA11
USART1_CTS/
CANRX
(6)
/
TIM1_CH4
(6)
/
USBDM
Table 4. Medium-density STM32F103xx pin definitions (continued)
Pins
Pin name
Type
(1)
I / O Level
(2)
Main
function
(3)
(after reset)
Alternate functions
BGA100
LQFP48 LQFP64
LQFP100
VFQFPN36
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