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Pin Assignment
1
GND
2
VBAT
VDC
3
PBRES
4
5
GP101
6
TX
7
RX
8
GND
9
GND
10
SELECT
TIMEMARK
11
GND
12
ET-333
Ground 3.8~6.5 DC power input (Input)
Backup Battery (Input)
3.3~5.5 DC power input (Input)
Push Button Reset Input (Active Low) (Input)
Special function
Serial Data Output (GPS Data)(Output)
Serial Data Input (Command)
Ground
Ground
(Reserved)
1PPS Time Mark Output
Ground
Page 5 of 15
Specifications are subject to be changed without notice.
Version 1.3.1
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