Pinouts and pin description
STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB
Table 4. STM32F100xx pin definitions (continued)
Pins
Pin name
Main
function(3)
(after reset)
Alternate functions(3)(4)
Default
Remap
8 3 A1 3
9 4 B1 4
10 - - -
11 - - -
12 5 C1 5
13 6 D1 6
14 7 E1 7
15 8 E3 -
16 9 E2 -
17 10 F2 -
18 11 -(7) -
19 12 F1 8
20 - - -
21 - G1 -
22 13 H1 9
PC14-
OSC32_IN(5)
I/O
PC15-
OSC32_OUT(5)
I/O
VSS_5
S
VDD_5
S
OSC_IN
I
OSC_OUT
O
NRST
I/O
PC0
I/O
PC1
I/O
PC2
I/O
PC3
I/O
VSSA
S
VREF-
S
VREF+
S
VDDA
S
23 14 G2 10 PA0-WKUP I/O
24 15 H2 11
PA1
I/O
25 16 F3 12
PA2
I/O
26 17 G3 13
27 18 C2 -
28 19 D2 -
29 20 H3 14
PA3
I/O
VSS_4
S
VDD_4
S
PA4
I/O
30 21 F4 15
PA5
I/O
31 22 G4 16
PA6
I/O
32 23 H4 17
33 24 H5 -
PA7
I/O
PC4
I/O
PC14(6)
OSC32_IN
PC15(6)
OSC32_OUT
VSS_5
VDD_5
OSC_IN
OSC_OUT
NRST
PC0
ADC1_IN10
PC1
ADC1_IN11
PC2
ADC1_IN12
PC3
ADC1_IN13
VSSA
VREF-
VREF+
VDDA
PA0
PA1
PA2
PA3
WKUP / USART2_CTS(12)/
ADC1_IN0 / TIM2_CH1_ETR(12)
USART2_RTS(12)/ ADC1_IN1 /
TIM2_CH2(12)
USART2_TX(12)/ ADC1_IN2 /
TIM2_CH3(12)/ TIM15_CH1(12)
USART2_RX(12)/ ADC1_IN3 /
TIM2_CH4(12) / TIM15_CH2(12)
VSS_4
VDD_4
PA4
PA5
PA6
PA7
SPI1_NSS(12)/ADC1_IN4
USART2_CK(12) / DAC1_OUT
SPI1_SCK(12)/ADC1_IN5 /
DAC2_OUT
SPI1_MISO(12)/ADC1_IN6 /
TIM3_CH1(12)
SPI1_MOSI(12)/ADC1_IN7 /
TIM3_CH2(12)
TIM1_BKIN /
TIM16_CH1
TIM1_CH1N /
TIM17_CH1
PC4
ADC1_IN14
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Doc ID 16455 Rev 2