EM3588-RTR datasheet(42/59 Pages) SILABS

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EM358x

Rev 1.0

PA2

I/O

Digital I/O

TIM2C4

(see also Pin 20)

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)

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

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

SPI slave clock of Serial Controller 2

Enable slave with SC2_SPICFG[4]

Select SPI with SC2_MODE

PA3

I/O

Digital I/O

SC2nSSEL

SPI slave select of Serial Controller 2

Enable slave with SC2_SPICFG[4]

Select SPI with SC2_MODE

TIM2C2

(see also Pin 31)

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)

Timer 2 channel 2 input

Disable remap with TIM2_OR[5]

Table 6.1. EM358x Pin Descriptions (Continued)

Pin #

Signal

Direction

Description

Note:

1. IRQC and IRQD external interrupts can be mapped to any digital I/O pin using the GPIO_IRQCSEL and

GPIO_IRQDSEL registers.

EM3588-RTR Datasheet(PDF) 42 Page - Silicon Laboratories

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