Silicon Laboratories EM3585, User Manual, Page: 12 / 25

E M 3 5 8 x
Table 6.1. EM358x Pin Descriptions (Continued)
42 Rev 1.0
Pin # Signal Direction Description
24 PA2 I/O Digital I/O
TIM2C4
(see also Pin 20)
O Timer 2 channel 4 output
Disable remap with TIM2_OR[7]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PACFGL[11:8]
TIM2C4
(see also Pin 20)
I Timer 2 channel 4 input
Disable remap with TIM2_OR[7]
SC2SCL I/O TWI clock of Serial Controller 2
Either disable timer output in TIM2_CCER,

or enable remap with TIM2_OR[7]
Select TWI with SC2_MODE
Select alternate open-drain output function with GPIO_PACFGL[11:8]
SC2SCLK O SPI master clock of Serial Controller 2
Either disable timer output in TIM2_CCER,

or enable remap with TIM2_OR[7]
Enable master with SC2_SPICFG[4]
Select SPI with SC2_MODE
Select alternate output function with GPIO_PACFGL[11:8]
SC2SCLK I SPI slave clock of Serial Controller 2
Enable slave with SC2_SPICFG[4]
Select SPI with SC2_MODE
25 PA3 I/O Digital I/O
SC2nSSEL I SPI slave select of Serial Controller 2
Enable slave with SC2_SPICFG[4]
Select SPI with SC2_MODE
TIM2C2
(see also Pin 31)
O Timer 2 channel 2 output
Disable remap with TIM2_OR[5]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PACFGL[15:12]
TIM2C2
(see also Pin 31)
I Timer 2 channel 2 input
Disable remap with TIM2_OR[5]
Note:
1.
IRQC and IRQD external interrupts can be mapped to any digital I/O pin using the GPIO_IRQCSEL and
GPIO_IRQDSEL registers.