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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL DESCRIPTION
3.1.13 Power On Sequence
c User presses END key and then ONSWAn signal is changed to Low.
d AB3100 initiates the internal oscillator and powers on the regulators.
e AB3100 generates power for DB3200.
f AB3100 releases the power reset signal (PWRRSTn) and generates an interrupt(IRQ0n) to DB3200.
Figure 3-1-13. Power On Sequence
DB3200
PWRRSTN
IRQ0_N
AB3100
PWRRST_N
IRQ
ONSWA_N
e Power for
DB3200
f PWRRSTn
f IRQ0n
c ONSWAn
c Press END key
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