GPS receiver A1080-A
5 Pin-out Information
5.1 Layout A1080-A
Figure 7: Pin-out information A1080-A
5.2 Description A1080-A Signals
Pin Symbol
Description
1
GND
Ground (power supply)
2
Vcc
3.0 – 3.6 VDC (power supply)
3
Vbak
Back-up pin of module for “supercap” or battery (see below)
4
1PPS
1PPS (pulse per second) output
5
RX1
Serial input 1 – reserved for binary in (leave open)
6
TX1
Serial output 1 – reserved for binary out (leave open)
7 TX0
Serial output 0, NMEA out
8
RX0
Serial input 0, NMEA in
9 nRST
Reset
input
10 Res.
Reserved – leave open
11 BOOTSEL
Special boot mode – leave open for normal operation
12 Res.
Reserved – leave open
13 Res.
Reserved – leave open
14 Res.
Reserved – leave open
15 Res.
Reserved – leave open
16 Res.
Reserved – leave open
17 Res.
Reserved – leave open
18 GNDANT
Antenna Ground, do not connect to GROUND, connect to
antenna shield (see below)
19 ANT
Antenna signal / Z=50 Ohm
20 GNDANT
Antenna Ground, see above
21 Res.
Reserved – leave open
22 VANT
Power supply antenna – provide according voltage
Table 4: Pin description A1080-A
V2.3 - 07/07
User’s Manual
Page 15 of 31
