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3. Technical brief
3.1.13 Power On Sequence
c User presses END key and then ONSWAn signal is changed to Low.
d AB3000 initiates the internal oscillator and powers on the regulators.
e AB3000 generates power for DB3150.
f AB3000 releases the power reset signal(PWRRSTn) and generates an interrupt(IRQ0n)
to DB3150.
Figure 3-1-13. Power On Sequence
DB3150
RESPOW_N
IRQ0_N
AB3000
PWRRST
IRQ
ONSWA
e Power for
DB3150
f PWRRSTn
f IRQ0n
c ONSWAn
c Press END key