atr0621p ATMEL Corporation, atr0621p Datasheet - Page 15
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atr0621p
Manufacturer Part Number
atr0621p
Description
Atr0621p Gps Baseband Processor
Manufacturer
ATMEL Corporation
Datasheet
1.ATR0621P.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
atr0621p-7FQY
Manufacturer:
ATMEL
Quantity:
11 510
4890G–GPS–01/08
Table 3-13.
Table 3-14.
The Antenna Supervisor Software will be configured as follows:
The antenna supervisor function may not be disabled by GPSMODE pin selection.
If the antenna supervisor function is not used, please leave open ANTON, NANTSHORT and
NAADET.
Pin
P0/NANTSHORT
P25/NAADET0/
MISO or
P14/NAADET1
P15/ANTON
Note:
GPSMODE11
(Reset = PU)
1. Enable Control Signal
2. Enable Short Circuit Detection (power down antenna via ANTON if short is detected via
3. Enable Open Circuit Detection via NAADET
1
1
1
1
NANTSHORT)
0
0
0
0
(1)
(1)
(1)
(1)
1. Leave open
Pin Usage of Active Antenna Supervisor
Antenna Detection I/O Settings
GPSMODE10
(Reset = PU)
1
1
1
1
0
0
0
0
Usage
NANTSHORT
NAADET
ANTON
(1)
(1)
(1)
(1)
(Reset = PU) Location of NAADET
GPSMODE8
1
1
1
1
0
0
0
0
(1)
(1)
(1)
(1)
Meaning
Active antenna short circuit detection
High = No antenna DC short circuit present
Low = Antenna DC short circuit present
Active antenna detection input
High = No active antenna present
Low = Active antenna is present
Active antenna power on output
High = Power supply to active antenna is switched on
Low = Power supply to active antenna is switched off
P25/NAADET0/MISO
P25/NAADET0/MISO
P14/NAADET1
P14/NAADET1
(Default ROM value)
P14/NAADET1
P14/NAADET1
P25/NAADET0/MISO
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.
ATR0621P
15