Silicon Laboratories EM3585, Руководство пользователя, Страница: 8 / 25

8 Rev 1.0
E M 3 5 8 x
Table 6.1. EM358x Pin Descriptions (Continued)
Pin # Signal Direction Description
18 PA7 I/O
High
current
Digital I/O
Disable REG_EN with GPIO_DBGCFG[4]
TIM1C4 O Timer 1 Channel 4 output
Enable timer output with TIM1_CCER
Select alternate output function with GPIO_PACFGH[15:12]
Disable REG_EN with GPIO_DBGCFG[4]
TIM1C4 I Timer 1 Channel 4 input
Cannot be remapped
REG_EN O External regulator open drain output
Enabled after reset
19 PB3 I/O Digital I/O
TIM2C3
(see also Pin 22)
O Timer 2 channel 3 output
Enable remap with TIM2_OR[6]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PBCFGL[15:12]
TIM2C3
(see also Pin 22)
I Timer 2 channel 3 input
Enable remap with TIM2_OR[6]
SC1nCTS I UART CTS handshake of Serial Controller 1
Enable with SC1_UARTCFG[5]
Select UART with SC1_MODE
SC1SCLK O SPI master clock of Serial Controller 1
Either disable timer output in TIM2_CCER,

or disable remap with TIM2_OR[6]
Enable master with SC1_SPICFG[4]
Select SPI with SC1_MODE
Select alternate output function with GPIO_PBCFGL[15:12]
SC1SCLK I SPI slave clock of Serial Controller 1
Enable slave with SC1_SPICFG[4]
Select SPI with SC1_MODE
Note:
1.
IRQC and IRQD external interrupts can be mapped to any digital I/O pin using the GPIO_IRQCSEL and
GPIO_IRQDSEL registers.