Tyco Electronics A1029, Руководство пользователя

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GPS Receivers A1029
V3.2 - 02/06 User’s Manual Page 21 of 43
Pin Symbol Description
34 nRST Reset input
33 LOCK Activated on LOCK (position fix)
32 Res. Reserved
31 Vgyro
Input pin for gyro output voltage
For standard GPS functionality leave open.
For DR connect to gyro output (see below).
30 Res. Reserved
29 Res. Reserved
28 Res. Reserved
27 Res. Reserved
26 TEST1 Reserved for test purposes
25 ANTSTAT Antenna sensor output
24 GS Gain Select for LNA – leave open
23 GNDANT
Antenna Ground, do not connect to GROUND, connect
to antenna shield (see below)
22 ANT Antenna signal / Z=50 Ohm
21 GNDANT
Antenna Ground, do not connect to GROUND, connect
to antenna shield (see below)
20 AGND Analog ground - see above
19 VANT Power supply antenna – provide according voltage.
18 AGND Analog ground - see above
Table 6: Pin description A1029-A (part 2)
Pins 10 thru 17 used to be all AGND pins on HW version 01, pin 31 used to be a
“Res.” pin on HW version 01. For use without Dead Reckoning, no design modifica-
tion is necessary.