M3 SMART Pin I/O Description

This document describes the type and usage of 9 POGO Pin connector of M3 SMART which is located at the bottom of the device.

POGO PIN Description

No.	Name	Connect Information
1	USB_DN	For USB data negative
2	USB_DP	For USB data positive
3	USBVBUS	USB Host Power
4	DETECT	Not Connected
5	DM_RXD	CPU_TRST, Serial RXD COM2
6	DM_TXD	TEXT_POINT, Serial RXD COM2
7	USB_ID	High for Client, Low for Host
8	GND	Power Ground
9	+5V	System Power and Charging