Pin Assignment Of Connector - Holux GR-87 User Manual

GPS
Product series

5.3 . Pin assignment of connector :

Table 5-1 is pin list of the 6-Pin Interface Connector. Connector is Male
header 1.25mm pitch DIP R/A type. Actual pin size see appendix B.
Table 5-1 J1 connector pin definition:
Pin Pin Name
1 VCC_5V
2 TXA
3 RXA
4 RXB
5 GND
TIMEMARK/
6
RESET (option)
5.3.1 VCC_5V
This is the main DC power supply for a +3.3~ 5.5 V engine board.
5.3.2 TXA
This is the main transmitting channel and is used to output navigation and
measurement data for user written software.
5.3.3 RXA
This is the main receiving channel and is used to receive software
commands to the board from user written software.
5.3.4 RXB
This is the auxiliary receiving channel and is used to input differential
corrections to the board to enable DGPS navigation.
5.3.5 GND
GND provides the ground for the board. Connect all grounds.
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:info@holux.com.tw Website:www.holux.com.tw
Function description
+3.5~5.5Vdc power input
Serial Data output port A(CMOS 3V Level:
Voh 2.4V Vol 0.4V Ioh=Iol=2mA)
≧ ≦
Serial Data input port A(CMOS 3V Level
Vih≧0.7*VCC Vil≦0.3*VCC)
Serial Data input port B(CMOS 3V Level
Vih≧0.7*VCC Vil≦0.3*VCC)
Power ground
TIMEMARK: 1PPS Time mark output(Vil≦0.2V Pulse
Width 10ms).
RESET: Reset Input (Active Low)(option function)
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