Datasheet

STM32F103x4, STM32F103x6 Pinouts and pin description
Doc ID 15060 Rev 6 25/90
Table 5. Low-density STM32F103xx pin definitions
Pins
Pin name
Type
(1)
I / O Level
(2)
Main
function
(3)
(after reset)
Alternate functions
(4)
LQFP48/
UFQFPN48
LQFP64
TFBGA64
VFQFPN36
Default Remap
11B2- V
BAT
SV
BAT
22A2-
PC13-TAMPER-
RTC
(5)
I/O PC13
(6)
TAMPER-RTC
3 3 A1 - PC14-OSC32_IN
(5)
I/O PC14
(6)
OSC32_IN
44B1-
PC15-
OSC32_OUT
(5)
I/O PC15
(6)
OSC32_OUT
5 5 C1 2 OSC_IN I OSC_IN PD0
(7)
6 6 D1 3 OSC_OUT O OSC_OUT PD1
(7)
7 7 E1 4 NRST I/O NRST
- 8 E3 - PC0 I/O PC0 ADC12_IN10
- 9 E2 - PC1 I/O PC1 ADC12_IN11
- 10 F2 - PC2 I/O PC2 ADC12_IN12
- 11 - - PC3 I/O PC3 ADC12_IN13
--G1- V
REF+
(8)
SV
REF+
812F15 V
SSA
SV
SSA
913H16 V
DDA
SV
DDA
10 14 G2 7 PA0-WKUP I/O PA0
WKUP/USART2_CTS/
ADC12_IN0/
TIM2_CH1_ETR
(9)
11 15 H2 8 PA1 I/O PA1
USART2_RTS/
ADC12_IN1/ TIM2_CH2
(9)
12 16 F3 9 PA2 I/O PA2
USART2_TX/
ADC12_IN2/ TIM2_CH3
(9)
13 17 G3 10 PA3 I/O PA3
USART2_RX/
ADC12_IN3/TIM2_CH4
(9)
-18C2- V
SS_4
SV
SS_4
-19D2- V
DD_4
SV
DD_4
14 20 H3 11 PA4 I/O PA4
SPI1_NSS
(9)
/
USART2_CK/ADC12_IN4
15 21 F4 12 PA5 I/O PA5 SPI1_SCK
(9)
/ ADC12_IN5
16 22 G4 13 PA6 I/O PA6
SPI1_MISO
(9)
/
ADC12_IN6/TIM3_CH1
(9)
TIM1_BKIN
17 23 H4 14 PA7 I/O PA7
SPI1_MOSI
(9)
/
ADC12_IN7/TIM3_CH2
(9)
TIM1_CH1N
- 24 H5 PC4 I/O PC4 ADC12_IN14