Holux GR-87 Specification - page 5
GPS
Product series
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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
5
3.3. Pin assignment of connector :
Table 4-1 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 4-1 J1 connector pin definition:
Pin
Pin Name
Function description
1
VCC_5V
+3.5~5.5VDC power input
2 TXA
Serial Data output port A(CMOS Level: Voh 2.4V
≧
Vol 0.4V Ioh=Iol=2mA)
≦
3 RXA
Serial Data input port A(CMOS Level Vih≧0.7*VCC
Vil≦0.3*VCC)
4 RXB
Serial Data input port B(CMOS Level Vih≧0.7*VCC
Vil≦0.3*VCC)
5 GND
Power
ground
6
TIMEMARK/
RESET (option)
TIMEMARK: 1PPS Time mark output(Vil≦0.2V Pulse
Width 1 usec).
RESET: Reset Input (Active Low)(option function)