Datasheet

Pinouts and pin descriptions STM32F103xF, STM32F103xG
30/120 Doc ID 16554 Rev 3
L1 - 21 32 V
REF+
SV
REF+
M1 13 22 33 V
DDA
SV
DDA
J2 14 23 34 PA0-WKUP I/O PA0
WKUP/USART2_CTS
(8)
/
ADC123_IN0 / TIM2_CH1_ETR /
TIM5_CH1 / TIM8_ETR
K2 15 24 35 PA1 I/O PA1
USART2_RTS
(7)
/ ADC123_IN1 /
TIM5_CH2 / TIM2_CH2
(7)
L2 16 25 36 PA2 I/O PA2
USART2_TX
(7)
/ TIM5_CH3 /
ADC123_IN2 / TIM9_CH1 /
TIM2_CH3
(7)
M2 17 26 37 PA3 I/O PA3
USART2_RX
(7)
/ TIM5_CH4 /
ADC123_IN3 / TIM2_CH4
(7)
/
TIM9_CH2
G4 18 27 38 V
SS_4
SV
SS_4
F4 19 28 39 V
DD_4
SV
DD_4
J3 20 29 40 PA4 I/O PA4
SPI1_NSS
(7)
/ USART2_CK
(7)
/
DAC_OUT1 / ADC12_IN4
K3 21 30 41 PA5 I/O PA5
SPI1_SCK
(7)
/ DAC_OUT2 /
ADC12_IN5
L3 22 31 42 PA6 I/O PA6
SPI1_MISO
(7)
/ TIM8_BKIN /
ADC12_IN6 / TIM3_CH1
(7)
/
TIM13_CH1
TIM1_BKIN
M3 23 32 43 PA7 I/O PA7
SPI1_MOSI
(7)
/ TIM8_CH1N /
ADC12_IN7 / TIM3_CH2
(7)
/
TIM14_CH1
TIM1_CH1N
J4 24 33 44 PC4 I/O PC4 ADC12_IN14
K4 25 34 45 PC5 I/O PC5 ADC12_IN15
L4 26 35 46 PB0 I/O PB0
ADC12_IN8 / TIM3_CH3 /
TIM8_CH2N
TIM1_CH2N
M4 27 36 47 PB1 I/O PB1
ADC12_IN9 / TIM3_CH4
(7)
/
TIM8_CH3N
TIM1_CH3N
J5 28 37 48 PB2 I/O FT PB2/BOOT1
M5 - - 49 PF11 I/O FT PF11 FSMC_NIOS16
L5 - - 50 PF12 I/O FT PF12 FSMC_A6
H5 - - 51 V
SS_6
SV
SS_6
G5 - - 52 V
DD_6
SV
DD_6
K5 - - 53 PF13 I/O FT PF13 FSMC_A7
Table 5. STM32F103xF and STM32F103xG pin definitions (continued)
Pins
Pin name
Type
(1)
I / O level
(2)
Main
function
(3)
(after reset)
Alternate functions
(4)
LFBGA144
LQFP64
LQFP100 LQFP144
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