STM32W108HB datasheet(25/278 Pages) STMICROELECTRONICS

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STM32W108HB STM32W108CC STM32W108CB STM32W108CZ

Pinout and pin description

Doc ID 16252 Rev 14

25/278

PC1

I/O

Digital I/O

ADC3

Analog

ADC Input 3

Enable analog function with GPIOC_CRL[7:4]

SWO

(see also Pin

33)

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[7:4]

TRACEDATA0

Synchronous CPU trace data bit 0

Select 1-, 2- or 4-wire synchronous trace interface in ARM

core

Enable trace interface in ARM core

Select alternate output function with GPIOC_CRL[7:4]

VDD_MEM

Power

1.8 V supply (Flash, RAM)

PC0

I/O

High

current

Digital I/O

Either enable with GPIO_DBGCR[5],

or enable Serial Wire mode (see JTMS description, Pin 35)

and disable TRACEDATA1

JRST

JTAG reset input from debugger

Selected when in JTAG mode (default mode, see JTMS

description) and TRACEDATA1 is disabled

Internal pull-up is enabled

IRQD (1)

Default external interrupt source D

TRACEDATA1

Synchronous CPU trace data bit 1

Select 2- or 4-wire synchronous trace interface in ARM core

Enable trace interface in ARM core

Select alternate output function with GPIOC_CRL[3:0]

PB7

I/O

High

current

Digital I/O

ADC2

Analog

ADC Input 2

Enable analog function with GPIOB_CRH[15:12]

IRQC (1)

Default external interrupt source C

TIM1_CH2

Timer 1 channel 2 output

Enable timer output in TIM1_CCER

Select alternate output function with GPIOB_CRH[15:12]

Timer 1 channel 2 input (Cannot be remapped)

Table 2.

Pin descriptions (continued)

48-Pin

Package

Pin no.

40-Pin

Package

Pin no.

Signal

Direction

Description

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