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