User guide

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6. INPUT / OUTPUT
M3 GREEN
M3 GREEN Pin I/O Description
This document describes the type and usage of 9 POGO Pin connectors and 24 Pin connector of M3
GREEN which is located at the bottom of the device.
1. POGO PIN Description
No.
Name
Connect Information
1
USB_DN
For USB data negative
2
USB_DP
For USB data positive
3
USB_PW
For USB power
4
DETECT
Active High
5
RXD
PDA -> DCE (TTL level), Serial RXD COM8
6
TXD
PDA <- DCE (TTL level), Serial TXD COM8
7
USB_DETECT
For USB
8
CHR_MNS
GND
9
+5V
System Power and Charging
2. 24 Pin Description
No.
Name
Connect Information
1
RSV
2
RSV
3
USB_HOST_DETECT
Detect for USB Host (Low Active)
4
+5V
System Power and Charging
5
+5V
System Power and Charging
6
TDI
KEY_CPLD
7
TMS
KEY_CPLD
8
TCK
KEY_CPLD
9
TDO
KEY_CPLD
10
USB_DN
For USB data negative
11
EXT_SERIAL DETECT
Active High
12
GND
Power Ground
13
EXE_SERIAL_RXD
PDA <- DCE (TTL level)
14
EXE_SERIAL_TXD
PDA -> DCE (TTL level)