EM3591-RTR datasheet(46/59 Pages) SILABS

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EM359x

Rev 1.0

PE0

I/O

Digital I/O

SC4MOSI

SPI master data out of Serial Controller 4

Enable master with SC4_SPICFG[4]

Select SPI with SC4_MODE

Select alternate output function with GPIO_PECFGL[3:0]

SC4MOSI

SPI slave data in of Serial Controller 4

Enable slave with SC4_SPICFG[4]

Select SPI with SC4_MODE

PE1

I/O

Digital I/O

SC4SDA

I/O

TWI data of Serial Controller 4

Select TWI with SC4_MODE

Select alternate open-drain output function with GPIO_PECFGL[7:4]

SC4MISO

SPI slave data out of Serial Controller 4

Enable slave with SC4_SPICFG[4]

Select SPI with SC4_MODE

Select alternate output function with GPIO_PECFGL[7:4]

SC4MISO

SPI master data in of Serial Controller 4

Enable slave with SC4_SPICFG[4]

Select SPI with SC4_MODE

VDD_PADS

Power

Pads supply (2.1–3.6 V)

PA6

I/O

High cur-

rent

Digital I/O

TIM1C3

Timer 1 channel 3 output

Enable timer output in TIM1_CCER

Select alternate output function with GPIO_PACFGH[11:8]

TIM1C3

Timer 1 channel 3 input

Cannot be remapped

Table 6.1. EM359x Pin Descriptions (Continued)

Pin #

Signal

Direction

Description

Note:

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

GPIO_IRQDSEL registers.

EM3591-RTR 数据表(PDF) 46 Page - Silicon Laboratories

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EM3591-RTR 数据表(PDF) 46 Page - Silicon Laboratories

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