Datasheet

DocID15056 Rev 5 21/80
STM32F102x8, STM32F102xB Pinout and pin description
79
- 25 PC5 I/O PC5 ADC_IN15
18 26 PB0 I/O PB0 ADC_IN8/TIM3_CH3
(8)
19 27 PB1 I/O PB1 ADC_IN9/TIM3_CH4
(8)
20 28 PB2 I/O FT PB2/BOOT1
21 29 PB10 I/O FT PB10 I2C2_SCL/ USART3_TX
(8)
TIM2_CH3
22 30 PB11 I/O FT PB11
I2C2_SDA/
USART3_RX
(8)
TIM2_CH4
23 31 V
SS_1
SV
SS_1
24 32 V
DD_1
SV
DD_1
25 33 PB12 I/O FT PB12
SPI2_NSS / I2C2_SMBA/
USART3_CK
(8)
26 34 PB13 I/O FT PB13
SPI2_SCK
(8)
/
USART3_CTS
27 35 PB14 I/O FT PB14
SPI2_MISO/
USART3_RTS
28 36 PB15 I/O FT PB15 SPI2_MOSI
- 37 PC6 I/O FT PC6 TIM3_CH1
- 38 PC7 I/O FT PC7 TIM3_CH2
- 39 PC8 I/O FT PC8 TIM3_CH3
- 40 PC9 I/O FT PC9 TIM3_CH4
29 41 PA8 I/O FT PA8 USART1_CK/MCO
30 42 PA9 I/O FT PA9 USART1_TX
(8)
31 43 PA10 I/O FT PA10 USART1_RX
(8)
32 44 PA11 I/O FT PA11 USART1_CTS/USB_DM
33 45 PA12 I/O FT PA12 USART1_RTS/USB_DP
34 46 PA13 I/O FT
JTMS-
SWDIO
PA13
35 47 V
SS_2
SV
SS_2
36 48 V
DD_2
SV
DD_2
37 49 PA14 I/O FT
JTCK/SWCL
K
PA14
Table 4. Medium-density STM32F102xx pin definitions (continued)
Pins
Pin name
Type
(1)
I / O level
(2)
Main
function
(3)
(after reset)
Alternate functions
(3) (4)
LQFP48 LQFP64
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