User Manual

MeshConnect™ EM357 Module
Page 6
PINSIGNALSI/OPORTCONFIGURATION
MeshConnect module has 56 edge I/O interfaces for connection to the user’s host board. The MeshConnect Module Dimensions
shows the layout of the 56 edge castellations.
MeshConnectI/OPINASSIGNMENTS
CEL
MeshConnect
EM357 Module
PIN Number
Ember
EM357 IC Pin
Number
Name Notes
1 49 GROUND
2 N/C WP Flash memory write protect (internal pull-up)
3 21 PA0 Dedicated as SC2MOSI due to Flash memory
4 22 PA1 Dedicated as SC2MISO due to Flash memory
5 24 PA2 Dedicated as SC2SCLK due to Flash memory
6 25 PA3 Reserved as SC2nSSEL for Flash memory
7 49 GROUND
8 16, 23, 28, 37 VCC
9 12 RESET Acve Low (Input)
10 13 PC6
Digital I/O
OSC32B - 32.768 kHz crystal oscillator
nTX_ACTIVE - Inverted TX_ACTIVE signal
11 14 PC7
Digital I/O
OSC32A - 32.768 kHz crystal oscillator
OSC32_EXT - Digital 32.768 kHz clock input source
12 18 PA7
Digital I/O
TIM1C4 - Timer 1 Channel 4 output
TIM1C4 - Timer 1 Channel 4 input
REG_EN - External regulator open drain output
13 19 PB3
Digital I/O
TIM2C3 - Timer 2 channel 3 output
TIM2C3 - Timer 2 channel 3 input
SC1nCTS - UART CTS handshake of Serial Controller 1
SC1SCLK - SPI master/slave clock of Serial Controller 1
14 20 PB4
Digital I/O
TIM2C4 - Timer 2 channel 4 output
TIM2C4 - Timer 2 channel 4 input
SC1nRTS - UART RTS handshake of Serial Controller 1
SC1nSSEL - SPI slave select of Serial Controller 1
15 26 PA4
Digital I/O
ADC4 - ADC Input 4
PTI_EN - Frame signal of Packet Trace Interface (PTI)
TRACEDATA2 - Synchronous CPU trace data bit 2
16 27 PA5
Digital I/O
ADC5 - ADC Input 5
PTI_DATA - Data signal of Packet Trace Interface (PTI)
nBOOTMODE - Embedded serial bootloader acvaon out of rest
TRACEDATA3 - Synchronous CPU trace data bit 3
17 29 PA6
Digital I/O
TIM1C3 - Timer 1 channel 3 output
TIM1C3 - Timer 1 channel 3 input