User Guide

PAMS
Technical Documentation
NME–3
Technical Information
Page 36
Issue 1 10/99
Figure 14. Brownout procedure total powerdrop
VBAT
VBCCONT
Powercritical
PowerOnX
Brownoutdet
Brownoutreset
VBB
EEPROMACCESS
VDA Car Signals
Ignition sense
For GM8B, Ignition sense is an Input. This signal is turned high when the
cars ignition is turned on, and low when the ignition is turned off again.
The system behaviour regarding this signal is so that the phone is turned
on, when Ignition is turned on, and turned off a programmable time after
igntion is turned OFF