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Appendix B: GPS Feature
Features cont.
Anti jamming
Active CW detection and removal. Extra
onboard SAW band pass filter (NEO-M8N/Q)
Memory
ROM (NEO-M8M/Q) or Flash (NEO-M8N)
Supported antennas Active and passive
Odometer
Travelled distance
Data-logger
For position, velocity, and time (NEO-M8N)
For NEO-M8M/Q
1
Electrical data
Supply voltage
1.65 V to 3.6 V (NEO-M8M)
2.7 V to 3.6 V (NEO-M8N/Q)
Power consumption
23 mA @ 3.0 V (continuous)
2
5 mA @ 3.0 V Power Save Mode
(1 Hz, GPS only)
Backup Supply
1.4 to 3.6 V
2
NEO-M8M
Interfaces
Serial interfaces
1 UART
1 USBV2.0 full speed 12 Mbit/s
1 SPI (optional)
1 DDC (I
Digital I/O
Configurable timepulse
1 EXTINT input for Wakeup
Timepulse
Configurable 0.25 Hz to 10 MHz
Protocols
NMEA, UBX binary, RTCM
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C compliant)
2
VIOB-GPS-02 Module Connector Pin Definitions
6
J2 (GPS Side)
J2 Pin Definition
Pin
Definition
1
GPS_3V3
3
GPS_TXD_M
5
NC
J12 Pin Definition
Pin
Definition
1
GPS_BAT
3
GPS_TXD
5
GND
COM Port for GPS: COM 4
Baud Rate: 9600
66
1
6
J12 (PC Side)
Pin
Definition
2
GND
4
GPS_RXD_M
6
+V3.3ALW
Pin
Definition
2
NC
4
GPS_RXD
6
GPS_3V3
nROK 7251 Series User Manual
1
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