ADP3502ASU datasheet(21/36 Pages) AD

21 / 36 page

REV. 0

ADP3502

–21–

RTC

OUTPUT DATA

SELECT

ADDRESS

DECODE

STAY-ALIVE

TIMER

TEST MODE

BLOCK

PWRONKEY N

OPT1 N

OPT2 N

OPT3

POWER ON

SYNC

INTERRUPT

BLOCK

POWER

OFF

DATA

INT

CONTROL

(RESET

AND

MASK)

PWRONKEY N SYNC

OPT1 N SYNC

OPT3 SYNC

KEYPAD

I/F

GPIO

CONTROL

GPIO

KEYPAD

I/F

LED CONTROL

ANALOG BLOCK

KEYPAD INT

LDO CONTROL REGISTER

ANALOG

CONTROL

REGISTERS

LDO

CONTROL

ANALOG

BLOCKS

SERIAL

I/F

DATA

SELECT

WRITE ENABLE

WRITE DATA [7:0]

SYNC

DELAY

10ms

VOLTAGE DETECT

CHARGER DETECT

VOLTAGE DETECT DELAY

BATOV

BLIGHT

DGND

KEYPADCOL[3:0]

KEYPADROW[5:0]

GPIO [3:0]

INT N

TCXOON

SLEEP N

CLKIN

DATA

SP ADDR [4:0]

[VBAT]

CLK32K

CLK1K

32K OSC

TEST IDOENABLE

TEST MODE

RTC TEST

OSC IN

OSC OUT

RESETIN N

(RESET FOR REGISTERS)

RTC RESETIN N

TEST

RESETOUT N

RSTDELAY N

RESET

32K CLK

OUTPUT

CONTROL

RESET OUTPUT

CONTROL

RTC VOLTAGE DETECT

[RTCV]

32K OUT

CLK512

RTC CLK32K

RTC

BLOCK

Figure 6. LOGIC Block Diagram

ADP3502ASU Datasheet(PDF) 21 Page - Analog Devices

ADP3502ASU Datasheet(HTML) 21 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

Datasheet Download

Link URL