STM32W108HB datasheet(23/278 Pages) STMICROELECTRONICS

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STM32W108HB STM32W108CC STM32W108CB STM32W108CZ

Pinout and pin description

Doc ID 16252 Rev 14

23/278

PB2

I/O

Digital I/O

SC1MISO

SPI master data in of Serial Controller 1

Select SPI with SC1_CR

Select master with SC1_SPICR

SC1MOSI

SPI slave data in of Serial Controller 1

Select SPI with SC1_CR

Select slave with SC1_SPICR

SC1SCL

I/O

I2C clock of Serial Controller 1

Either disable timer output in TIM2_CCER,

or disable remap with TIM2_OR[5]

Select I2C with SC1_CR

Select alternate open-drain output function with

GPIOB_CRL[11:8]

SC1RXD

UART receive data of Serial Controller 1

Select UART with SC1_CR

TIM2_CH2

(see also Pin

25)

Timer 2 channel 2 output

Enable remap with TIM2_OR[5]

Enable timer output in TIM2_CCER

Select alternate output function with GPIOB_CRL[11:8]

Timer 2 channel 2 input. Enable remap with TIM2_OR[5].

SWCLK

I/O

Serial Wire clock input/output with debugger

Selected when in Serial Wire mode (see JTMS description,

Pin 35)

JTCK

JTAG clock input from debugger

Selected when in JTAG mode (default mode, see JTMS

description, Pin 35)

Internal pull-down is enabled

PC2

I/O

Digital I/O

Enable with GPIO_DBGCR[5]

JTDO

JTAG data out to debugger

Selected when in JTAG mode (default mode, see JTMS

description, Pin 35)

SWO

Serial Wire Output asynchronous trace output to debugger

Select asynchronous trace interface in ARM core

Enable trace interface in ARM core

Select alternate output function with GPIOC_CRL[11:8]

Enable Serial Wire mode (see JTMS description, Pin 35)

Internal pull-up is enabled

Table 2.

Pin descriptions (continued)

48-Pin

Package

Pin no.

40-Pin

Package

Pin no.

Signal

Direction

Description

STM32W108HB Datasheet(PDF) 23 Page - STMicroelectronics

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