Nexcom VMC 100 Series User Manual page 91

Appendix A: I/O Address Function
G-sensor device I2C address: = 0x1D
Datasheet download
1. G-sensor (ANALOG DEVICES - ADXL345-EP)
http://www.analog.com/static/imported-files/data_sheets/ADXL345-EP.pdf
IO ADDRESS: 0EE0H~0EEFH I/O port : 0EE0H
(*) for default setting
2. Ignition_status/ Battery_status/12V_status /
I/O port : 0EE0H
Bit 0: Reseversion
Bit 1: Reseversion
Bit 2: Ignition (read only)
0: OFF
1: ON
Bit 3: Status of Car Battery
0: Car Battery is OK
1: Car Battery is Low voltage
Bit 4: Status of +12V output
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0: circuit normal(under 4A)
1: over circuit(over 4A)
Bit 5: Status of Car Battery bypass output
0: circuit normal(under 4A)
1: over circuit(over 4A)
Bit 4 and Bit 5: The action will delay 10ms~15ms
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VMC 100/1100 Series User Manual