Datasheet

DocID13587 Rev 16 29/105
STM32F103x8, STM32F103xB Pinouts and pin description
104
G2 L2 10 G2 14 23 7 PA0-WKUP I/O PA0
WKUP/
USART2_CTS
(9)
/
ADC12_IN0/
TIM2_CH1_
ETR
(9)
H2 M2 11 H2 15 24 8 PA1 I/O PA1
USART2_RTS
(9)
/
ADC12_IN1/
TIM2_CH2
(9)
J2 K3 12 F3 16 25 9 PA2 I/O PA2
USART2_TX
(9)
/
ADC12_IN2/
TIM2_CH3
(9)
K2 L3 13 G3 17 26 10 PA3 I/O PA3
USART2_RX
(9)
/
ADC12_IN3/
TIM2_CH4
(9)
E4 E3 - C2 18 27 - V
SS_4
SV
SS_4
F4 H3 - D2 19 28 - V
DD_4
SV
DD_4
G3 M3 14 H3 20 29 11 PA4 I/O PA4
SPI1_NSS
(9)
/
USART2_CK
(9)
/
ADC12_IN4
H3 K4 15 F4 21 30 12 PA5 I/O PA5
SPI1_SCK
(9)
/
ADC12_IN5
J3 L4 16 G4 22 31 13 PA6 I/O PA6
SPI1_MISO
(9)
/
ADC12_IN6/
TIM3_CH1
(9)
TIM1_BKIN
K3 M4 17 H4 23 32 14 PA7 I/O PA7
SPI1_MOSI
(9)
/
ADC12_IN7/
TIM3_CH2
(9)
TIM1_CH1N
G4 K5 - H5 24 33 PC4 I/O PC4 ADC12_IN14
H4 L5 - H6 25 34 PC5 I/O PC5 ADC12_IN15
J4 M5 18 F5 26 35 15 PB0 I/O PB0
ADC12_IN8/
TIM3_CH3
(9)
TIM1_CH2N
K4 M6 19 G5 27 36 16 PB1 I/O PB1
ADC12_IN9/
TIM3_CH4
(9)
TIM1_CH3N
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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