REV. 0

–10–

ADP3522

Table I. LDO Control Logic

PHONE STATUS

State No. 1

Battery Deep Discharged

L

XXXXXX

OFF OFF OFF OFF OFF OFF OFF

OFF

State No. 2

Phone Off

H

L

XXXXX

OFF OFF OFF

ON

OFF OFF OFF

OFF

State No. 3

Phone Off,

Turn-On Allowed

H

H

L

H

L

X

X

OFF OFF OFF

ON

OFF OFF OFF

OFF

State No. 4

Charger Applied

H

H

H

X

X

X

L

OFF

ON

ON

ON

ON

ON

ON

ON

*

State No. 5

Phone Turned On by

User Key

H

H

X

L

X

X

L

OFF

ON

ON

ON

ON

ON

ON

ON

*

State No. 6

Deep Sleep

H

H

L

H

H

L

H

ON

ON

ON

ON

OFF OFF OFF

OFF

State No. 7

Active

H

H

L

HHHH

ON

ON

ON

ON

ON

ON

ON

ON

State No. 8

Reset SIM Card

H

H

L

H

H

H

L

OFF

ON

ON

ON

ON

ON

ON

ON

*The state of MVBAT is determined by TCXOEN. When TCXOEN is high, MVBAT is ON.

STATE NO.