STM32W108HB datasheet(18/278 Pages) STMICROELECTRONICS

18 / 278 page

Pinout and pin description

STM32W108HB STM32W108CC STM32W108CB STM32W108CZ

18/278

Doc ID 16252 Rev 14

PB3

I/O

Digital I/O

TIM2_CH3

(see Pin 22)

Timer 2 channel 3 output

Enable remap with TIM2_OR[6]

Enable timer output in TIM2_CCER

Select alternate output function with GPIOB_CRL[15:12]

Timer 2 channel 3 input. Enable remap with TIM2_OR[6].

UART_CTS

UART CTS handshake of Serial Controller 1

Enable with SC1_UARTCR[5]

Select UART with SC1_CR

SC1SCLK

SPI master clock of Serial Controller 1

Either disable timer output in TIM2_CCER or disable remap

with TIM2_OR[6]

Enable master with SC1_SPICR[4]

Select SPI with SC1_CR

Select alternate output function with GPIOB_CRL[15:12]

SPI slave clock of Serial Controller 1

Enable slave with SC1_SPICR[4]

Select SPI with SC1_CR

PB4

I/O

Digital I/O

TIM2_CH4

(see also

Pin 24)

Timer 2 channel 4 output

Enable remap with TIM2_OR[7]

Enable timer output in TIM2_CCER

Select alternate output function with GPIOB_CRH[3:0]

Timer 2 channel 4 input. Enable remap with TIM2_OR[7].

UART_RTS

UART RTS handshake of Serial Controller 1

Either disable timer output in TIM2_CCER or disable remap

with TIM2_OR[7]

Enable with SC1_UARTCR[5]

Select UART with SC1_CR

Select alternate output function with GPIOB_CRH[3:0]

SC1nSSEL

SPI slave select of Serial Controller 1

Enable slave with SC1_SPICR[4]

Select SPI with SC1_CR

Table 2.

Pin descriptions (continued)

48-Pin

Package

Pin no.

40-Pin

Package

Pin no.

Signal

Direction

Description

STM32W108HB Datasheet(PDF) 18 Page - STMicroelectronics

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