ATR0622 Datasheet, PDF (13/26 Pages) ATMEL Corporation – GPS Baseband Processor

ATR0622 [Preliminary]
Table 3-14. Antenna Detection I/O Settings
GPSMODE11 GPSMODE10 GPSMODE8
(Reset = PU) (Reset = PU) (Reset = PU) Location of NAADET
0
0
0
P25/NAADET0/MISO
0
0
1
P25/NAADET0/MISO
0
1
0
P14/NAADET1
0
1
1
P14/NAADET1
(Default ROM value)
1
0
0
P14/NAADET1
1
0
1
P14/NAADET1
1
1
0
P25/NAADET0/MISO
1
1
1
P25/NAADET0/MISO
Comment
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.
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4891CS–GPS–01/06