STM32F103xC, STM32F103xD, STM32F103xE
Pin descriptions
Table 4.
Pin definitions (continued)
Pins
Alternate functions
Main
Pin name
function(3)
(after reset)
Default
Remap
H4 F3 11 18 29
J1 G1 12 19 30
PC3
VSSA
VREF-
VREF+
VDDA
I/O
S
PC3
VSSA
VREF-
VREF+
VDDA
ADC123_IN13
K1 H1
L1 J1
-
-
20 31
21 32
S
S
M1 K1 13 22 33
S
WKUP/USART2_CTS(6)
ADC123_IN0
J2 G2 14 23 34
PA0-WKUP
I/O
PA0
TIM2_CH1_ETR
TIM5_CH1/TIM8_ETR
USART2_RTS(6)
ADC123_IN1/TIM5_CH2
TIM2_CH2(6)
K2 H2 15 24 35
L2 J2 16 25 36
M2 K2 17 26 37
PA1
PA2
PA3
I/O
I/O
I/O
PA1
PA2
PA3
USART2_TX(6)
/
TIM5_CH3/ADC123_IN2/
TIM2_CH3 (6)
USART2_RX(6)
/
TIM5_CH4/ADC123_IN3
TIM2_CH4(6)
G4 E4 18 27 38
F4 F4 19 28 39
VSS_4
VDD_4
S
S
VSS_4
VDD_4
SPI1_NSS(6)/DAC_OUT1
USART2_CK(6)
J3 G3 20 29 40
K3 H3 21 30 41
L3 J3 22 31 42
PA4
PA5
PA6
I/O
I/O
I/O
PA4
PA5
PA6
ADC12_IN4
SPI1_SCK(6)
DAC_OUT2 ADC12_IN5
SPI1_MISO(6)
TIM8_BKIN/ADC12_IN6
TIM3_CH1(6)
TIM1_BKIN
TIM1_CH1N
SPI1_MOSI(6)
TIM8_CH1N/ADC12_IN7
TIM3_CH2(6)
M3 K3 23 32 43
PA7
I/O
PA7
J4 G4 24 33 44
K4 H4 25 34 45
PC4
PC5
I/O
I/O
PC4
PC5
ADC12_IN14
ADC12_IN15
ADC12_IN8/TIM3_CH3
TIM8_CH2N
L4 J4 26 35 46
PB0
I/O
I/O
PB0
PB1
TIM1_CH2N
TIM1_CH3N
ADC12_IN9
TIM3_CH4(6)
TIM8_CH3N
M4 K4 27 36 47
J5 G5 28 37 48
PB1
PB2/BOOT1
I/O FT PB2/BOOT1
27/118
STMICROELECTRONICS [ ST ]
