STM32W108HB datasheet(53/179 Pages) STMICROELECTRONICS

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STM32W108CB, STM32W108HB

General-purpose input/outputs

Doc ID 16252 Rev 2

53/179

6.4

GPIO aletrnate functions

Table 8 lists the GPIO alternate functions.

Table 8.

GPIO signal assignments

GPIO

Analog

Alternate function

Input

Output current

drive

PA0

TIM2_CH1(1),

SC2MOSI

TIM2_CH1(1),

SC2MOSI

Standard

PA1

TIM2_CH3(1),

SC2MISO, SC2SDA

TIM2_CH3(1),

SC2MISO, SC2SDA

Standard

PA2

TIM2_CH4(1),

SC2SCLK, SC2SCL

TIM2_CH4(1),

SC2SCLK

Standard

PA3

TIM2_CH2(1),

TRACECLK

TIM2_CH2(1),

SC2nSSEL

Standard

PA4

ADC4

PTI_EN, TRACEDATA2

Standard

PA5

ADC5

PTI_DATA,

TRACEDATA3

nBOOTMODE(2)

Standard

PA6

TIM1_CH3

High

PA7

TIM1_CH4, REG_EN

(3)

TIM1_CH4

High

PB0

VREF

TRACECLK

TIM1CLK, TIM2MSK,

IRQA

Standard

PB1

TIM2_CH1(4), SC1TXD,

SC1MOSI, SC1MISO,

SC1SDA

TIM2_CH1(4), SC1SDA

Standard

PB2

TIM2_CH2(4),

SC1SCLK

TIM2_CH2(4),

SC1MISO, SC1MOSI,

SC1SCL, SC1RXD

Standard

PB3

TIM2_CH3(4),

SC1SCLK

TIM2_CH3(4),

SC1SCLK, UART_CTS

Standard

PB4

TIM2_CH4(4),

UART_RTS

TIM2_CH4(4),

SC1nSSEL

Standard

PB5

ADC0

TIM2CLK, TIM1MSK

Standard

PB6

ADC1

TIM1_CH1

TIM1_CH1, IRQB

High

PB7

ADC2

TIM1_CH2

High

PC0

TRACEDATA1

JRST(5)

High

PC1

ADC3

TRACEDATA0, SWO

Standard

PC2

JTDO(6), SWO

Standard

PC3

JTDI(5)

Standard

PC4

SWDIO(7)

SWDIO(7), JTMS(5)

Standard

PC5

TX_ACTIVE

Standard

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