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3. Technical Brief
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.1.10 Slider ON/OFF Detection
There is a magnet to detect the slide module status, up or down.
If a magnet is close to the hall-effect switch(U500 on Keypad), the voltage at Pin 4 of U500 goes to 0V.
Otherwise 1.8V.
This SLIDE_DET signal is delivered to Asta APP_GP02.
3
4
OUT
VDD
1
TK60012BM5
U500
GND1
2
GND2
5
IO_VDD
6
NC
0.1u
C501
0.1u
VDDE_1V8
VDDC_2V75
C500
APP_GP02_FLIPSENSE
Figure 3-1-10. Slider On/Off Detector