Power On/Off - LG GM360i Service Manual

Hide thumbs Also See for GM360i:
Table of Contents

Advertisement

3.4 Power ON/OFF

GM360 Power State : Defined 3cases as follow
GM60i
Power-ON : Power key detect (SM-Power's ON port)
Power-ON-charging : Charger detect.
Input ON is a power-on input for SM-POWER with 2 active high levels (see Figure 6). It might be triggered by a
push button or by the RTCOUT output of the S-GOLD device as well. To detect if the push-button is pressed
during system operation the logical level at pin ON or its change (if Bit 1 EION in INTCTRL2 is asserted) is recorded
in bit LON of the ISF register. If the high level of voltage at pin ON does not reach VIHdet (Vbat-0.8 ~ Vbat-0.3) the
above-mentioned bit won't be set.
To support Remote power on function for factory mass production, applied an analog switch as following figure.
As monitoring the RPWRON and Key matrix KP_OUT(1) & KP_IN (6), GM360 system recognize whether remote
power on or End-key pushed
LG Electronics
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 6 Power on application.
36/147
- 5 -
3. TECHNICAL BRIEF
GM60i
LGE Property
LGE Internal Use Only

Advertisement

Table of Contents
loading

Table of Contents