Datasheet

Pinouts and pin description STM32F103x8, STM32F103xB
30/105 DocID13587 Rev 16
G5 L6 20 G6 28 37 17 PB2 I/O FT PB2/BOOT1
H5 M7 - - - 38 - PE7 I/O FT PE7 TIM1_ETR
J5 L7 - - - 39 - PE8 I/O FT PE8 TIM1_CH1N
K5 M8 - - - 40 - PE9 I/O FT PE9 TIM1_CH1
G6 L8 - - - 41 - PE10 I/O FT PE10 TIM1_CH2N
H6 M9 - - - 42 - PE11 I/O FT PE11 TIM1_CH2
J6 L9 - - - 43 - PE12 I/O FT PE12 TIM1_CH3N
K6 M10 - - - 44 - PE13 I/O FT PE13 TIM1_CH3
G7 M11 - - - 45 - PE14 I/O FT PE14 TIM1_CH4
H7 M12 - - - 46 - PE15 I/O FT PE15 TIM1_BKIN
J7 L10 21 G7 29 47 - PB10 I/O FT PB10
I2C2_SCL/
USART3_TX
(9)
TIM2_CH3
K7 L11 22 H7 30 48 - PB11 I/O FT PB11
I2C2_SDA/
USART3_RX
(9)
TIM2_CH4
E7 F12 23 D6 31 49 18 V
SS_1
SV
SS_1
F7 G12 24 E6 32 50 19 V
DD_1
SV
DD_1
K8 L12 25 H8 33 51 - PB12 I/O FT PB12
SPI2_NSS/
I2C2_SMBAl/
USART3_CK
(9)
/
TIM1_BKIN
(9)
J8 K12 26 G8 34 52 - PB13 I/O FT PB13
SPI2_SCK/
USART3_CTS
(9)
/
TIM1_CH1N
(9)
H8 K11 27 F8 35 53 - PB14 I/O FT PB14
SPI2_MISO/
USART3_RTS
(9)
TIM1_CH2N
(9)
G8 K10 28 F7 36 54 - PB15 I/O FT PB15
SPI2_MOSI/
TIM1_CH3N
(9)
K9 K9 - - - 55 - PD8 I/O FT PD8 USART3_TX
J9 K8 - - - 56 - PD9 I/O FT PD9 USART3_RX
Table 5. Medium-density STM32F103xx pin definitions (continued)
Pins
Pin name
Type
(1)
I / O Level
(2)
Main
function
(3)
(after reset)
Alternate functions
(4)
LFBGA100
UFBG100
LQFP48/UFQFPN48
TFBGA64
LQFP64
LQFP100
VFQFPN36
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