J-F2,000X-DK Navman Wireless, J-F2,000X-DK Datasheet - Page 23

• Manufacturer Part Number: J-F2,000X-DK
• Description: EVAL KIT GPS JUPITER 2
• Manufacturer: Navman Wireless
• Series: -r
• Type: Receiver, GPSr

Specifications of J-F2,000X-DK

• Frequency: 1575.42MHz
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: Jupiter 2
• Other names: 943-1013

Battery Function on J-F
The J-F
jumper on the Battery Backup pin (J2) is installed then the evaluation kit will support battery backup.
However, the procedure must adhere to the instructions below
To safely enter battery backup:
If this procedure is not followed, the current limiting resistor on the backup battery will cause the supply
voltage to sage enough that RTC time and battery backed RAM is lost.
To safely exit battery backup:
1. While the evaluation kit is running, press the ON_OFF Pulse pushbutton. The Module ON LED
2. Once the Module ON LED turns off, the USB cable can be removed. The J-F
1. While the evaluation kit is in hibernate mode, connect the USB cable to the computer. Wait until
2. Press the ON_OFF Pulse button.
battery backed RAM and RTC. The connected USB cable will be providing the hibernate voltage in this case.
2
should turn off.
and battery backed memory.
the computer enumerates the USB port and applies power.
Battery Function on J-F
evaluation kit supports the use of battery backup. If the 3V lithium coin cell is installed, and the
Note that if the battery is not installed, the evaluation kit will still support hibernate mode with preserved
2
2
2
will retain RTC time
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