GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:[email protected] http:www.holux.com.tw
5
2 Technical Description
2.1 Block Diagram
2.2 Pin Definition
Top view
Button view
Pin
Pin Name
Type
Function description
1
RXDB
I
Serial Data Input B
2
TXDB
O
Serial Data Output B
3
1PPS
O
1 PPS output pulse width 100 ms, rising edge tolerance is +/-
50ns.
4
TXDA
O
Serial Data Output A
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
22
17
6
12
11
GR91_GPS_V02_081219