Rainbow Electronics ATR0625 - Manual (Page 13)

13
4925A–GPS–02/06
ATR0625 [Preliminary]
The Antenna Supervisor Software will be configured as follows:
1. Enable Control Signal
2. Enable Short Circuit Detection (power down antenna via ANTON if short is detected
via NANTSHORT)
3. Enable Open Circuit Detection via NAADET
The antenna supervisor function may not be disabled by GPSMODE pin selection.
Table 3-14. Antenna Detection I/O Settings
GPSMODE11
(Reset = PU)
GPSMODE10
(Reset = PU)
GPSMODE8
(Reset = PU) Location of NAADET Comment
0 0 0 P25/NAADET0/MISO
0 0 1 P25/NAADET0/MISO
0 1 0 P14/NAADET1
Reserved for further use.
Do not use this setting.
0 1 1
P14/NAADET1
(Default ROM value)
1 0 0 P14/NAADET1
Reserved for further use.
Do not use this setting.
1 0 1 P14/NAADET1
Reserved for further use.
Do not use this setting.
1 1 0 P25/NAADET0/MISO
1 1 1 P25/NAADET0/MISO