5.2
Main power
Voltage
Power
5.3
Backup power
Voltage
Current
Retention
5.4
Antenna feed power out of RF connector
Voltage
Current
5.5
1PPS signal definition
Level
Time mark
Width
5.6
Serial I/O signal definition
Levels
Baud rate
Parity
Data bits
Start/stop bits
6.
RF Characteristics of Receiver
6.1
Dynamic range
6.2
Saturation
Motorola GPS Products
M12 Oncore User' s Guide Supplement
Revision 1.0 01/25/00
2.8 to 3.2 Vdc regulated
50 mV maximum peak-to-peak ripple
0.225 W maximum (without antenna)
1.8 V to 3.2 V
5 mA typical @ 2.7 V
Backup power retains date, time, position, satellite data,
oscillator learning table and operating mode
2.7 V to 3.2 V over current range for 3 V antenna
15 mA to 80 mA
Flags set in serial data when limits exceeded
0 V to 3 V
Rising edge
200 ms typical
0 V to 3 V, active low
9600 (Motorola Binary)
4800 (NMEA)
None
8
1
27 dB
-110 dBm
7