EM357-RTR datasheet(213/241 Pages) SILABS

213 / 241 page

Rev 1.3

213

PA7

I/O

High

current

Digital I/O

Disable REG_EN with GPIO_DBGCFG[4]

TIM1C4

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

Timer 1 Channel 4 input

Cannot be remapped

REG_EN

External regulator open drain output

Enabled after reset

PB3

I/O

Digital I/O

TIM2C3

(see also Pin 22)

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)

Timer 2 channel 3 input

Enable remap with TIM2_OR[6]

SC1nCTS

UART CTS handshake of Serial Controller 1

Enable with SC1_UARTCFG[5]

Select UART with SC1_MODE

SC1SCLK

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

SPI slave clock of Serial Controller 1

Enable slave with SC1_SPICFG[4]

Select SPI with SC1_MODE

Table 19.1. EM35x Pin Descriptions (Continued)

Pin #

Signal

Direction

Description

EM357-RTR 数据表(PDF) 213 Page - Silicon Laboratories

EM357-RTR 数据表(HTML) 213 Page - Silicon Laboratories

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载