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Pinout and pin description<br />
<strong>STM32W108C8</strong><br />
Table 2. Pin descriptions (continued)<br />
Pin no. Signal Direction Description<br />
PB1 I/O Digital I/O<br />
SC1MISO<br />
O<br />
SPI slave data out of Serial Controller 1<br />
Either disable timer output in TIM2_CCER or disable remap with<br />
TIM2_OR[4]<br />
Select SPI with SC1_MODE<br />
Select slave with SC1_SPICR<br />
Select alternate output function with GPIO_PBCFGL[7:4]<br />
SC1MOSI<br />
O<br />
SPI master data out of Serial Controller 1<br />
Either disable timer output in TIM2_CCER or disable remap with<br />
TIM2_OR[4]<br />
Select SPI with SC1_MODE<br />
Select master with SC1_SPICR<br />
Select alternate output function with GPIO_PBCFGL[7:4]<br />
30<br />
SC1SDA<br />
I/O<br />
I 2 C data of Serial Controller 1<br />
Either disable timer output in TIM2_CCER,<br />
or disable remap with TIM2_OR[4]<br />
Select I 2 C with SC1_MODE<br />
Select alternate open-drain output function with GPIO_PBCFGL[7:4]<br />
SC1TXD<br />
O<br />
UART transmit data of Serial Controller 1<br />
Either disable timer output in TIM2_CCER or disable remap with<br />
TIM2_OR[4]<br />
Select UART with SC1_MODE<br />
Select alternate output function with GPIO_PBCFGL[7:4]<br />
TIM2_CH1<br />
(see also Pin 21)<br />
O<br />
Timer 2 channel 1 output<br />
Enable remap with TIM2_OR[4]<br />
Enable timer output in TIM2_CCER<br />
Select alternate output function with GPIO_PACFGL[7:4]<br />
I<br />
Timer 2 channel 1 input. Disable remap with TIM2_OR[4].<br />
21/215 Doc ID 018587 Rev 2
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