Datasheet

STM32F101x4, STM32F101x6 Pinouts and pin description
Doc ID 15058 Rev 5 23/79
Table 4. Low-density STM32F101xx pin definitions
Pins
Pin name
Type
(1)
I / O level
(2)
Main
function
(3)
(after reset)
Alternate functions
(3)(4)
LQFP48/
VFQFPN48
LQFP64
VFQFPN36
Default Remap
11- V
BAT
SV
BAT
2 2 - PC13-TAMPER-RTC
(5)
I/O PC13
(6)
TAMPER-RTC
3 3 - PC14-OSC32_IN
(5)
I/O PC14
(6)
OSC32_IN
4 4 - PC15-OSC32_OUT
(5)
I/O PC15
(6)
OSC32_OUT
5 5 2 OSC_IN I OSC_IN
6 6 3 OSC_OUT O OSC_OUT
7 7 4 NRST I/O NRST
- 8 - PC0 I/O PC0 ADC_IN10
- 9 - PC1 I/O PC1 ADC_IN11
- 10 - PC2 I/O PC2 ADC_IN12
- 11 - PC3 I/O PC3 ADC_IN13
8125 V
SSA
SV
SSA
9136 V
DDA
SV
DDA
10 14 7 PA0-WKUP I/O PA0
WKUP/USART2_CTS/
ADC_IN0/
TIM2_CH1_ETR
(7)
11 15 8 PA1 I/O PA1
USART2_RTS/
ADC_IN1/TIM2_CH2
(7)
12 16 9 PA2 I/O PA2
USART2_TX/
ADC_IN2/TIM2_CH3
(7)
13 17 10 PA3 I/O PA3
USART2_RX/
ADC_IN3/TIM2_CH4
(7)
-18- V
SS_4
SV
SS_4
-19- V
DD_4
SV
DD_4
14 20 11 PA4 I/O PA4
SPI_NSS
(7)
/ADC_IN4
USART2_CK
15 21 12 PA5 I/O PA5 SPI_SCK
(7)
/ADC_IN5
16 22 13 PA6 I/O PA6
SPI_MISO
(7)
/ADC_IN6/
TIM3_CH1
(7)
17 23 14 PA7 I/O PA7
SPI_MOSI
(7)
/ADC_IN7/
TIM3_CH2
(7)
- 24 PC4 I/O PC4 ADC_IN14
- 25 PC5 I/O PC5 ADC_IN15
18 26 15 PB0 I/O PB0 ADC_IN8/TIM3_CH3
(7)
19 27 16 PB1 I/O PB1 ADC_IN9/TIM3_CH4
(7)