UniTraQ International Corp.
RoHS compliance
2009, 04, Version 1.2
3
Eastern Star 5 series GT-525
GPS Module
2.2
ELECTRIC
SPECIFICATIONS
2.2.1 PIN ASSIGNMENT
NO. Signal
name I/O
V
Description
Notes
1
FTX0
O
-
Asynchronous serial output at
LVTTL level to output NMEA
message
2
FRX0
I
-
Asynchronous serial Input at
LVTTL level to Input NMEA
message
3
TX0
O
-
Asynchronous serial output at
RS-232 level to output NMEA
message
4
RX0
I
-
Asynchronous serial Input at
RS-232 level to Input NMEA
message
5
VCC
P
3.0~5.5
Main power stability
6
GND
O
-
Power and signal ground
2.2.2 ABSOLUTE MAXIMUM RATINGS
Item
Absolute maximum ratings
Unit
RX0 input voltage
0~3.3 (Max 4.0V)
V
VCC input voltage
3.0~5.5(Max 6.0V)
V
