EM357-RTR datasheet(9/240 Pages) ETC2

9 / 240 page

EM351 / EM357

1-5

120-035X-000D

Preliminary

Pin #

Signal

Direction

Description

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

TRACECLK

(see also Pin 36)

Synchronous CPU trace clock

Either disable timer output in TIM2_CCER,

or enable remap with TIM2_OR[5]

Enable trace interface in ARM core

Select alternate output function with GPIO_PACFGL[15:12]

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]

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

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

Embedded serial bootloader activation out of reset

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

Section 6.2, Resets, in Chapter 6, System Modules for details.

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