ATR0622 [Preliminary]
Table 3-14.
Antenna Detection I/O Settings
Comment
GPSMODE11 GPSMODE10 GPSMODE8
(Reset = PU) (Reset = PU) (Reset = PU) Location of NAADET
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
P25/NAADET0/MISO
P25/NAADET0/MISO
P14/NAADET1
P14/NAADET1
(Default ROM value)
P14/NAADET1
P14/NAADET1
P25/NAADET0/MISO
P25/NAADET0/MISO
Reserved for further use.
Do not use this setting.
Reserved for further use.
Do not use this setting.
Reserved for further use.
Do not use this setting.
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.
13
4891CS鈥揋PS鈥?1/06