EM3587-RTR datasheet(43/59 Pages) SILABS

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EM358x

Rev 1.0

PA4

I/O

Digital I/O

ADC4

Analog

ADC Input 4

Select analog function with GPIO_PACFGH[3:0]

PTI_EN

Frame signal of Packet Trace Interface (PTI)

Disable trace interface in ARM core

Enable PTI in Ember software

Select alternate output function with GPIO_PACFGH[3:0]

TRACEDATA2

(see also Pin 36)

Synchronous CPU trace data bit 2

Select 4-wire synchronous trace interface in ARM core

Enable trace interface in ARM core

Select alternate output function with GPIO_PACFGH[3:0]

PA5

I/O

Digital I/O

ADC5

Analog

ADC Input 5

Select analog function with GPIO_PACFGH[7:4]

PTI_DATA

Data signal of Packet Trace Interface (PTI)

Disable trace interface in ARM core

Enable PTI in Ember software

Select alternate output function with GPIO_PACFGH[7:4]

nBOOTMODE

Activate FIB monitor instead of main program or bootloader when coming

out of reset.

Signal is active during and immediately after a reset on nRESET. Refer to

section 7.5, Boot Configuration, in Chapter 7, GPIO, of the

Ember EM358x

Reference Manual for details.

TRACEDATA3

(see also Pin 38)

Synchronous CPU trace data bit 3

Select 4-wire synchronous trace interface in ARM core

Enable trace interface in ARM core

Select alternate output function with GPIO_PACFGH[7:4]

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. 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.

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