STM32W108HB datasheet(22/278 Pages) STMICROELECTRONICS

22 / 278 page

Pinout and pin description

STM32W108HB STM32W108CC STM32W108CB STM32W108CZ

22/278

Doc ID 16252 Rev 14

PB1

I/O

Digital I/O

SC1MISO

SPI slave data out of Serial Controller 1

Either disable timer output in TIM2_CCER or disable remap

with TIM2_OR[4]

Select SPI with SC1_CR

Select slave with SC1_SPICR

Select alternate output function with GPIOB_CRL[7:4]

SC1MOSI

SPI master data out of Serial Controller 1

Either disable timer output in TIM2_CCER or disable remap

with TIM2_OR[4]

Select SPI with SC1_CR

Select master with SC1_SPICR

Select alternate output function with GPIOB_CRL[7:4]

SC1SDA

I/O

I2C data of Serial Controller 1

Either disable timer output in TIM2_CCER,

or disable remap with TIM2_OR[4]

Select I2C with SC1_CR

Select alternate open-drain output function with

GPIOB_CRL[7:4]

SC1TXD

UART transmit data of Serial Controller 1

Either disable timer output in TIM2_CCER or disable remap

with TIM2_OR[4]

Select UART with SC1_CR

Select alternate output function with GPIOB_CRL[7:4]

TIM2_CH1

(see also

Pin 21)

Timer 2 channel 1 output

Enable remap with TIM2_OR[4]

Enable timer output in TIM2_CCER

Select alternate output function with GPIOA_CRL[7:4]

Timer 2 channel 1 input. Disable remap with TIM2_OR[4].

Table 2.

Pin descriptions (continued)

48-Pin

Package

Pin no.

40-Pin

Package

Pin no.

Signal

Direction

Description

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