STM32F103xC, STM32F103xD, STM32F103xE
Pinouts and pin descriptions
Alternate functions(4)
Table 5.
High-density STM32F103xx pin definitions (continued)
Pins
Main
Pin name
function(3)
(after reset)
Default
Remap
K1 H1
L1 J1
-
-
-
20 31
21 32
VREF-
VREF+
VDDA
S
S
S
VREF-
VREF+
VDDA
F7
(7)
M1 K1 G8 13 22 33
J2 G2 F6 14 23 34
WKUP/USART2_CTS(8)
ADC123_IN0
TIM2_CH1_ETR
TIM5_CH1/TIM8_ETR
PA0-WKUP
PA1
I/O
I/O
PA0
PA1
USART2_RTS(8)
ADC123_IN1/
K2 H2 E6 15 24 35
TIM5_CH2/TIM2_CH2(8)
USART2_TX(8)/TIM5_CH3
ADC123_IN2/
L2 J2 H8 16 25 36
M2 K2 G7 17 26 37
PA2
PA3
I/O
I/O
PA2
PA3
TIM2_CH3 (8)
USART2_RX(8)/TIM5_CH4
ADC123_IN3/TIM2_CH4(8)
G4 E4 F5 18 27 38
F4 F4 G6 19 28 39
VSS_4
VDD_4
S
S
VSS_4
VDD_4
SPI1_NSS(8)
/
J3 G3 H7 20 29 40
K3 H3 E5 21 30 41
L3 J3 G5 22 31 42
PA4
PA5
PA6
I/O
I/O
I/O
PA4
PA5
PA6
USART2_CK(8)
DAC_OUT1/ADC12_IN4
SPI1_SCK(8)
DAC_OUT2 ADC12_IN5
SPI1_MISO(8)
TIM8_BKIN/ADC12_IN6
TIM3_CH1(8)
TIM1_BKIN
TIM1_CH1N
SPI1_MOSI(8)
/
M3 K3 G4 23 32 43
PA7
I/O
PA7
TIM8_CH1N/ADC12_IN7
TIM3_CH2(8)
J4 G4 H6 24 33 44
K4 H4 H5 25 34 45
PC4
PC5
I/O
I/O
PC4
PC5
ADC12_IN14
ADC12_IN15
ADC12_IN8/TIM3_CH3
TIM8_CH2N
L4 J4 H4 26 35 46
PB0
PB1
I/O
I/O
PB0
PB1
TIM1_CH2N
TIM1_CH3N
ADC12_IN9/TIM3_CH4(8)
TIM8_CH3N
M4 K4 F4 27 36 47
J5 G5 H3 28 37 48
PB2
PF11
PF12
I/O FT PB2/BOOT1
M5
L5
-
-
-
-
-
-
-
-
49
50
I/O FT
I/O FT
PF11
PF12
FSMC_NIOS16
FSMC_A6
Doc ID 14611 Rev 7
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