Manual

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