STM32W108HB datasheet(21/278 Pages) STMICROELECTRONICS

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STM32W108HB STM32W108CC STM32W108CB STM32W108CZ

Pinout and pin description

Doc ID 16252 Rev 14

21/278

PA4

I/O

Digital I/O

ADC4

Analog

ADC Input 4. Select analog function with GPIOA_CRH[3:0].

PTI_EN

Frame signal of Packet Trace Interface (PTI).

Disable trace interface in ARM core.

Select alternate output function with GPIOA_CRH[3:0].

TRACEDATA2

Synchronous CPU trace data bit 2.

Select 4-wire synchronous trace interface in ARM core.

Enable trace interface in ARM core.

Select alternate output function with GPIOA_CRH[3:0].

PA5

I/O

Digital I/O

ADC5

Analog

ADC Input 5. Select analog function with GPIOA_CRH[7:4].

PTI_DATA

Data signal of Packet Trace Interface (PTI).

Disable trace interface in ARM core.

Select alternate output function with GPIOA_CRH[7:4].

nBOOTMODE

Embedded serial bootloader activation out of reset.

Signal is active during and immediately after a reset on NRST.

See Section 6.2: Resets on page 44 for details.

TRACEDATA3

Synchronous CPU trace data bit 3.

Select 4-wire synchronous trace interface in ARM core.

Enable trace interface in ARM core.

Select alternate output function with GPIOA_CRH[7:4]

VDD_PADS

Power

Pads supply (2.1-3.6 V)

PA6

I/O

High

current

Digital I/O

TIM1_CH3

Timer 1 channel 3 output

Enable timer output in TIM1_CCER

Select alternate output function with GPIOA_CRH[11:8]

Timer 1 channel 3 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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