ST B-L4S5I-IOT01A - Appendix A: I;O Assignment; B-L4 S5 I-IOT01 A Discovery Kit I;O Assignment

Appendix A B-L4S5I-IOT01A Discovery kit for the IoT node I/O assignment
Table 13. B-L4S5I-IOT01A Discovery kit for the IoT node I/O assignment
Pin number Pin name Feature / comment Signal / label
1 PE2 GPIO_Output ST25DV04K RF_DISABLE
2 PE3 GPIO_EXTI3 USB_OTG_OVRCR_EXTI3
3 PE4 GPIO_EXTI4 ST25DV04K GPO
4 PE5 GPIO_EXTI5 SPSGRF-915-GPIO3_EXTI5
5 PE6 GPIO_EXTI6 SPBTLE-RF-IRQ_EXTI6
6
V
BAT
Voltage supply
V
BAT
7 PC13 GPIO_EXTI13 BUTTON_EXTI13
8 PC14 / OSC32_IN RTC CLK RCC_OSC32_IN
9 PC15 / OSC32_OUT RTC CLK RCC_OSC32_OUT
10
V
SS
GND GND
11
V
DD
3.3 V
V
DD_MCU
12 PH0 / OSC_IN 8 MHz CLK RCC_OSC_IN
13 PH1 / OSC_OUT 8 MHz CLK RCC_OSC_OUT
14 NRST Reset STM__NRST
15 PC0 ADC1_IN1 ARD.A5-ADC
16 PC1 ADC1_IN2 ARD.A4-ADC
17 PC2 ADC1_IN3 ARD.A3-ADC
18 PC3 ADC1_IN4 ARD.A2-ADC
19
V
SSA
GND GND
20
V
REF-
GND GND
21
V
REF+
3.3 V
V
DDA
22
V
DDA
3.3 V
V
DDA
23 PA0 UART4-TX ARD.D1-UART4_TX
24 PA1 UART4-RX ARD.D0-UART4_RX
25 PA2 TIM2_CH3 ARD.D10-SPI_SSN/PWM
26 PA3 GPIO_Output ARD.D4
27
V
ss
GND
V
SS
28
V
DD
3.3 V
V
DD_MCU
29 PA4 GPIO_Output ARD.D7
30 PA5 SPI1_SCK ARD.D13-SPI1_SCK / LED1
31 PA6 SPI1_MISO ARD.D12-SPI1_MISO
32 PA7 SPI1_MOSI ARD.D11-SPI1_MOSI / PWM
33 PC4 ADC1_IN13 ARD.A1-ADC
34 PC5 ADC1_IN14 ARD.A0-ADC
35 PB0 TIM3_CH3 ARD.D3-PWM / INT1_EXTI0
36 PB1 TIM3_CH4 ARD.D6-PWM
UM2708
B-L4S5I-IOT01A Discovery kit for the IoT node I/O assignment
UM2708 - Rev 1
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