STM32W108HB Datasheet, PDF (24/179 Pages) STMicroelectronics – High-performance, IEEE 802.15.4 wireless system-on-chip

Pinout and pin description
STM32W108CB, STM32W108HB
Table 1. Pin descriptions (continued)
48-Pin 40-Pin
Packag Packag
e Pin e Pin
no.
no.
Signal
Direction
Description
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]
O
Select SPI with SC1_MODE
Select slave with SC1_SPICR
Select alternate output function with GPIO_PBCFGL[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]
O
Select SPI with SC1_MODE
Select master with SC1_SPICR
Select alternate output function with GPIO_PBCFGL[7:4]
30
25
SC1SDA
TWI data of Serial Controller 1
Either disable timer output in TIM2_CCER,
or disable remap with TIM2_OR[4]
I/O
Select TWI with SC1_MODE
Select alternate open-drain output function with
GPIO_PBCFGL[7:4]
SC1TXD
UART transmit data of Serial Controller 1
Either disable timer output in TIM2_CCER or disable remap with
O
TIM2_OR[4]
Select UART with SC1_MODE
Select alternate output function with GPIO_PBCFGL[7:4]
TIM2_CH1
(see also
Pin 21)
Timer 2 channel 1 output
O
Enable remap with TIM2_OR[4]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PACFGL[7:4]
I
Timer 2 channel 1 input. Disable remap with TIM2_OR[4].
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Doc ID 16252 Rev 2