User Manual

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Document ID: PB-ZB-MOD-003-20DS
Table 5.1: Pad Description (cont)
Pad#
Signal
Direction
Description
11
PB4
I/O
Digital I/O
TIM2_CH4 (see
also Pad 15)
O
Timer 2 channel 4 output
Enable remap with TIM2_OR[7]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PBCFGH[3:0]
I
Timer 2 channel 4 input Enable remap with TIM2_OR[7]
UART_RTS
O
UART RTS handshake of Serial Controller 1
Either disable timer output in TIM2_CCER, or disable remap with
TIM2_OR[7]
Enable with SC1_UARTCFG[5] Select UART with SC1_MODE
Select alternate output function with GPIO_PBCFGH[3:0]
SC1nSSEL
I
SPI slave select of Serial Controller 1
Enable slave with SC1_SPICFG[4]
Select SPI with SC1_MODE
12
PA0
I/O
Digital I/O
TIM2_CH1 (see
also Pad 20)
O
Timer 2 channel 1 output
Disable remap with TIM2_OR[4]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PACFGL[3:0]
I
Timer 2 channel 1 input
Disable remap with TIM2_OR[4]
SC2MOSI
O
SPI master data out of Serial Controller 2 Either disable timer output in
TIM2_CCER, or enable remap with TIM2_OR[4]
Enable master with SC2_SPICFG[4]
Select SPI with SC2_MODE
Select alternate output function with GPIO_PACFGL[3:0]
I
SPI slave data in of Serial Controller 2
Enable slave with SC2_SPICFG[4] Select
SPI with SC2_MODE
13
PA1
I/O
Digital I/O
TIM2_CH3 (see
also Pad 10)
O
Timer 2 channel 3 output
Disable remap with TIM2_OR[6]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PACFGL[7:4]
I
Timer 2 channel 3 input Disable remap with TIM2_OR[6]
SC2SDA
I/O
TWI data of Serial Controller 2 Either disable timer output in TIM2_CCER, or
enable remap with TIM2_OR[6] Select TWI with SC2_MODE
Select alternate open-drain output function with GPIO_PACFGL[7:4]
SC2MISO
O
SPI slave data out of Serial Controller 2
Either disable timer output in TIM2_CCER, or enable remap with TIM2_OR[6]
Enable slave with SC2_SPICFG[4] Select SPI with SC2_MODE
Select alternate output function with GPIO_PACFGL[7:4]
I
SPI master data in of Serial Controller 2
Enable slave with SC2_SPICFG[4]
14
GND
Power
Ground supply pad.