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Pin Assignment
Pin
Name
1
GND
2
VBAT
3
VDC
4
PBRES
5
GPIO1
6
TXA
7
RXA
8
GND
9
GND
10
SELECT
11
TIMEMARK
12
GND
ET-332
Description
Ground
Backup Battery
3.8V~6.5V DC Power Input
Push Button Reset Input (Active Low)
(Reserved)
Serial Data Output A (GPS Data)
Serial Data Input A (Command)
Ground
Ground
(Reserved)
1PPS Time Mark Output
Ground
Specifications are subject to be changed without notice.
Page 5 of 15
Version 1.3.1
Type
Input
Input
Input
Output
Input
Output
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