Analog Devices ADP3500 prp Datasheet

a CDMA Power Management System

PRELIMINARY TECHNICAL DATA

Preliminary Technical Data ADP3500

FEATURES

Handles all CDMA Baseband and RF/IF Power Management
Functions
LDOs Optimized for Specific CDMA Subsystems
Four Backup LDOs for Stand-By mode operation
Four Li-Ion Battery Charge Modes
5mA Pre Charge
Low Current Charge
Full Current Charge
Regulator mode (no current limit)
Ambient Temperature: -30 °°°°Cto+85°°°°C
64pin 7x7 LQFP package

POWER ON

KEYPAD I/F

GPIO

LOGIC

BLOCK

DELAY 10mS

INTERRUPT

CONTROL

LDO CONTROL

ANALOG

BLOCK

BATTERY

CHARGER

REFERENCE

LDO1 to 11

APPLICATIONS
CDMA/CDMA2000/PCS Handsets

GENERAL DESCRIPTION

The ADP3500 is a multifunction power system chip optimized
for CDMA cell phone power management. It contains 15 LDOs.
Sophisticated controls are available for power up during battery
charging, keypad interface, GPIO/INT function and RTC
function. The battery charger has four modes as Pre-charge, Low
Current Charge, Full Current Charge, and Regulator modes, and
is designed for Li-Ion/Li-Polymer batteries.

SERIAL I/F

32KHz OUTPUT

CONTROL

RESET OUTPUT

Figure 1. Functional Block Diagram

RESET

RTC COUNTER

STAY-ALIVE

TIMER

VOLTAGE

DETECTOR

ADP3500

REV. PrP 2/6/02

Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or apatent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: [phone] World Wide Web Site: http://www.analog.com
Fax: [phone]ß3 ANALOG DEVICES, INC., 2002

ADP3500 - SPECIFICATIONS

PRELIMINARY TECHNICAL DATA

MAIN FUNCTIONS

TA=-30 to +85°C, C

Parameter Symbol Conditions Min Typ Max Units
SHUTDOWN GND CURRENT

Power OFF

OPERATING GND CURRENT

Stand-by mode operation (light load)

Stand-by mode operation (Mid-load)

Active operation

Thermal Shutdown Threshold 160
Thermal Shutdown Hysteresis 35
Operational Temperature range Tope -30 +85
Adapter Voltage range (recommendation) VADP 5.5 12 V
VBAT Voltage range VBAT 3.3 5.5 V

=1µF MLCC, VBAT=3.6V unless otherwise noted. See Table 2 for C

VBAT

IGND

LDO3b : ON, connect to RTCV
through Schottky diode.
RTC/32K OSC : Active
AllotherLDOs:OFF
All logic inputs : VBAT or GND
MVBAT: OFF

IGND

LDO1b, 2b, 3b, 6b: ON
Io=1mA for LDO1b & 3b
Io=300µA for LDO2b & 6b
AllotherLDOs:OFF
RTC/32K OSC: Active
MVBAT: OFF
All logic output: no load

LDO1, 2, 3, 6, all Sub-LDO: ON,
Io=70% load
AllotherLDOs:OFF
RTC/32K OSC: Active
MVBAT: ON
All logic outputs: n o load

LDO5: OFF
All other LDOs: ON, 70% load
RTC/32K OSC: Active
All logic outputs: n o load
MVBAT: ON

OUT

.

25 40

60

275

650

125

µA

µA

µA

µA

°C
°C
°C

LDO SPECIFICATIONS

TA=25°C, C

Baseband VDD Main-LDO (LDO #1a)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT VOLTAGE V

OUTPUT CAPACITOR REQUIRED FOR

STABILITY
DROPOUT VOLTAGE V
Start-up time from shutdown 250
GND Current I

Baseband VDD Sub-LDO (LDO #1b)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT VOLTAGE V

GND Current I

REV.PrP 2/6/02 - 2 -

=1µF MLCC, VBAT = Vout+1V, NRCAP=0.1µF. See Table 2 for C

VBAT

LDO#1

C

LDO#1

DO

LDO#1

LDO#1b

LDO#1b

Io = 1 to 150 mA
Ta= -30 to +85°C

Io = 150 mA 200 mV

Io = 150 mA 50

Io = 1mA
Ta= -30 to +85°C

OUT

.

2.81 2.90 2.99 V

2.2

2.8 2.87 3.0 V

10

µF

µS
µA

µA

ADP3500

PRELIMINARY TECHNICAL DATA

Baseband AVDD Main-LDO (LDO #2a)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT Voltage V

OUTPUT default voltage V
OUTPUT Voltage V

LDO#2

LDO#2
LDO#2

16 steps, 20mV/step, Ta= 25C,
Io=50mA

Code : 1000
Code : 0111

Io=50mA,Ta=25°C
16 steps, 20mV/step, Io=50mA, Ta=

-30to+85°C

Code : 1000
Code : 0111

2.30

2.60

2.36

2.66

2.43

2.74VV

2.46 2.52 2.6 V

2.29

2.57

2.36

2.66

2.47

2.81VV

OUTPUT default voltage V
OUTPUT CAPACITOR REQUIRED FOR

C

LDO#2

LDO#2

Io=50mA,Ta=-30to+85°C

2.42 2.52 2.66 V
1

µF

STABILITY

DROPOUT VOLTAGE V

DO

Io = 50 mA 210 mV
RIPPLE REJECTION f = 1KHz 50 dB
OUTPUT NOISE VOLTAGE V

NOISE

Start-up time from shutdown 250
GND Current I

LDO#2

f = 100 Hz to 100 kHz 120

Io = 50 mA 50

µV
µS
µA

Baseband AVDD Sub-LDO (LDO #2b)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT Voltage V

LDO#2b

Io = 300 µA, V

LDO#2a

=2.6V

2.50 2.70 V

Ta= -30 to +85°C
GND Current I

LDO#2b

5

µA

REFO switch

Parameter Symbol Conditions Min Typ Max Units
On resistance R
Off leak I

ON

LEAK

Ta= -30~+85°C, Io=500µA

LDO2: ON, Switch: OFF 0.01 1

50 130

Ω
µA

Coin Cell Main-LDO (LDO #3a)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT VOLTAGE V

Dropout Voltage V
OUTPUT CAPACITOR REQUIRED FOR

C

LDO#3

DO

LDO#3

STABILITY
Start-up time from shutdown 250
GND Current I

LDO#3

Io = 1 to 50 mA

2.85 3.0 3.09 V

Ta= -30 to +85°C
Io= 50 mA 140 mV

1

µF
µS

Io = 50 mA 50

µA

RMS

Coin Cell Sub-LDO (LDO #3b)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT VOLTAGE V

LDO#3b

Io=1mA

2.85 2.97 3.15 V

Ta= -30 to +85°C

GND Current I

LDO#3b

10

µA

Audio LDO (LDO #4)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT VOLTAGE V

LDO#4

Io = 1 to 180 mA

2.81 2.90 2.99 V

Ta=-30to+85°C

OUTPUT CAPACITOR REQUIRED FOR

C

LDO#4

2.2

µF

STABILITY
Dropout Voltage V

DO

Io = 180 mA 200 mV
RIPPLE REJECTION f = 1KHz 50 dB
OUTPUT NOISE VOLTAGE V

NOISE

Start-up time from shutdown 250
GND Current I

LDO#4

f = 100 Hz to 10 kHz 50

Io = 180 mA 50

µV
µS
µA

REV.PrP 2/6/02 - 3 -

RMS

ADP3500

PRELIMINARY TECHNICAL DATA

Vibrator LDO (LDO #5)

Parameter Symbol Conditions Min Typ Max Units
Output Voltage V

Dropout Voltage V
Output capacitor required for stability C
GND Current I

LDO#5

DO

LDO#5

LDO#5

Baseband Core Main-LDO (LDO #6a)

Parameter Symbol Conditions Min Typ Max Units
Output Voltage V

Output capacitor required for stability C
Dropout Voltage V

LDO#6

LDO#6

DO

Start-up time from shutdown 250
GND Current I

LDO#6

Baseband Core Sub-LDO (LDO #6b)

Parameter Symbol Conditions Min Typ Max Units
OUTPUT VOLTAGE V

GND Current I

LDO#6b

LDO#6b

RF Rx1 LDO (LDO #7)

Parameter Symbol Conditions Min Typ Max Units
Output voltage V

Output capacitor required for stability C
Dropout voltage V
Ripple rejection f = 1KHz 50 dB
Output noise voltage V
Start-up time from shutdown 250
GND Current I

LDO#7

LDO#7

DO

NOISE

LDO#7

Io = 1 to 150 mA

2.75 2.9 3.05 V

Ta= -30 to +85°C

Io = 150mA 200 mV

2.2

Io = 150 mA 50

Io = 1 to 50 mA

2.52 2.60 2.68 V

µF
µA

Ta= -30 to +85°C

1

µF

Io = 50 mA 160 mV

µS

Io = 50 mA 50

Io = 300 µA

2.5 2.57 2.7 V

µA

Ta= -30 to +85°C

Io = 1 to 100 mA

5

2.81 2.9 2.99 V

µA

Ta= -30 to +85°C

1.5

µF

Io = 100 mA 200 mV

f = 100 Hz to 100KHz 40

µV
µS

Io=100mA 50

µA

RMS

RF Tx LDO (LDO #8)

Parameter Symbol Conditions Min Typ Max Units
Output voltage V

LDO#8

Io = 1 to 150 mA

2.81 2.9 2.99 V

Ta= -30 to +85°C
Output capacitor required for stability C
Dropout voltage V

LDO#8

DO

Io = 150mA 200 mV

2.2

µF

Ripple Rejection f = 1KHz 50 dB
Output noise voltage V

NOISE

Start-up time from shutdown 250
GND Current I

LDO#8

f = 100 Hz to 100KHz 40

Io=150mA 50

µV
µS
µA

RF Rx 2 LDO (LDO #9)

Parameter Symbol Conditions Min Typ Max Units
Output voltage V

LDO#9

Io = 1 to 50 mA

2.81 2.9 2.99 V

Ta= -30 to +85°C
Output capacitor required for stability C
Dropout voltage V

LDO#9

DO

Io = 50mA 150 mV

1

µF

Ripple Rejection f = 1KHz 50 dB
Output noise voltage V

NOISE

Start-up time from shutdown 250
GND Current I

LDO#9

f = 100 Hz to 100KHz 40

Io=50mA 50

µV
µS
µA

RF Optional LDO (LDO #10)

Parameter Symbol Conditions Min Typ Max Units
Output voltage V

LDO#10

Io= 1 to 50 mA

Ta= -30 to +85°C

2.81 2.9 2.99 V

RMS

RMS

REV.PrP 2/6/02 - 4 -

ADP3500

PRELIMINARY TECHNICAL DATA

Output capacitor required for stability C
Dropout voltage V

LDO#10

DO

Io = 50mA 150 mV
Ripple rejection f = 1KHz 50 dB
Output noise voltage V

NOISE

f = 100 Hz to 100KHz 40
Start-up Time from Shutdown 250
GND Current I

LDO#10

Io=50mA 50

Optional LDO (LDO #11)

Parameter Symbol Conditions Min Typ Max Units
Output voltage V

LDO#11

Io = 1 to 100 mA

Ta= -30 to +85°C
Output capacitor required for stability C

LDO#11

Ripple rejection f = 1KHz 50 dB
Output noise voltage V

NOISE

f = 100 Hz to 100KHz 50
Start-up Time from Shutdown 250
GND Current I

LDO#11

Io=150mA 50

Voltage Detector for LDO1 and LDO6

Parameter Symbol Conditions Min Typ Max Units
LDO1 detect voltage V
LDO1 release voltage V

LDO1 Hysteresis V
LDO6 detect voltage V
LDO6 release voltage V

LDO6 Hysteresis V

DET1
DET1

HYS1
DET6
DET6

HYS6

Ta= -30 to +85°C

Ta= -30 to +85°C

Ta= -30 to +85°C

Ta= -30 to +85°C

Ta= -30 to +85°C

Ta= -30 to +85°C

1

1.42 1.5 1.58 V

2.2

2.7 2.72 V

2.77 V

LDO1

-NOM

35 52 85 mV

2.3 2.33 V

2.40 V

LDO6

-NOM

40 60 100 mV

µF

µV
µS
µA

µF

µV
µS
µA

V

V

RMS

RMS

BATTERY VOLTAGE DIVIDER: MVBAT

TA=-30 to 85°C, C

Parameter Symbol Conditions Min Typ Max Units
MVBAT Output voltage

5 – bit programmable V

MVBAT Output voltage step Vstep VBAT=4.35V, MVEN = 1 6 mV/lsb
Output drive current capability Iout 1 2 mA
MVBAT Load Regulation
MVBAT Output Voltage Step VBAT = 4.35 V, MVEN = 1 6 mV
Operating Battery Current VBAT = 4.35 V, MVEN = 1 65 85
Shutdown Current VBAT = 4.35 V, MVEN = 0 1

=10µF MLCC, C

VBAT

=1µFMLCC

Adapter

unless otherwise noted

VBAT=4.35V, MVEN = 1

MVBAT

∆ΜVBAT 0 < Iout < 100 µA

code 10000
code 01111

2.484

2.673

2.508

2.697

2.533

2.727

V/V
V/V

35mV

µA
µA

BATTERY CHARGER

TA=-30 to 85°C, C

Parameter Symbol Conditions Min Typ Max Units
Charger Control Voltage Range

2 – bit programmable

Charger Control Voltage Range

2 – bit programmable

=10µF MLCC, C

VBAT

=1µF MLCC, 4.0V ≤ ADAPTER ≤ 12V

Adapter

VBAT
SENSE

Ta= 25 °C,

V

R_SENSE

5.5V ≤ ADAPTER ≤ 12V (note 1)

code 00 (default)

code 01

code 10

code 11

VBAT
SENSE

Ta= -20 to 55°C,

V

R_SENSE

5.5V ≤ ADAPTER ≤ 12V (note 1)

code 00 (default)

code 01

code 10

code 11

unless otherwise noted

= 6mV & 115mV,

= 6mV & 115mV,

3.926

4.150

4.170

4.190

3.905

4.130

4.146

4.166

3.980

4.190

4.210

4.230

3.980

4.190

4.210

4.230

4.034

4.230

4.250

4.270

4.065

4.250

4.278

4.300

V
V
V
V

V
V
V
V

REV.PrP 2/6/02 - 5 -

ADP3500

PRELIMINARY TECHNICAL DATA

Charger Detect On Threshold ADAPT

ER­VBAT

Charger Detect Off Threshold ADAPT

ER-

VBAT
Charger Supply Current I
Current Limit Threshold

High Current Limit

(Full charge current enabled)

Low Current Limit

(Full charge current disabled)
Pre-Charge Current Source
Base Pin Drive Current Note 2. 15 28 mA
Deep Discharge Lock-Out (Releasing voltage) DDLO VBAT<DDLO, Ta=25C, 5mA Pre-

Deep Discharge Lock-Out Hysteresis 200 mV
ISENSE Bias Current I
BATID pull-up resistor to ADAPTER R
Minimum Load for Stability I

ADAPTER

ADAPT
ER-V

ISNS

BATID

L

ADAPTER=5V,VBAT=4.3V 2 mA
ADAPTER=5V
VBAT=3.6V

ISNS

VBAT=3.0 V
VBAT ≤ DDLO

charge, VBAT ramping up

V

=5V 1

ISNS

BATID=H. Note 3. 10 mA

Note 1: Overhead includes external components, including sense resistor, PNP and isolation diode.

2: DDLO hysteresis is dependent upon DDLO threshold value. If DDLO threshold is at maximum, DDLO hysteresis is at

maximum at the same time.

3: Guaranteed but not tested.

110 165 225 mV

52350mV

135401605518570mV

mV

357mA

2.675 2.78 V

µA

70 100 130

KΩ

REV.PrP 2/6/02 - 6 -

ADP3500

PRELIMINARY TECHNICAL DATA

LOGICS

DC Specifications

TA=25°C, C

Parameter Symbol Conditions Min Typ Max Units
CS, CLKIN, RESETIN-, TCXO_ON, SLEEP-,
KEYPADROW (Internal 10KΩ pull-up)

Input High Voltage
Input Low Voltage
Hysteresis

GPIO, DATA

Input High Voltage
Input Low Voltage
Hysteresis
Output High Voltage
Output Low Voltage

INT-

Output High Voltage
Output Low Voltage

BLIGHT (Open Drain Output)

Output Low Voltage

KEYPADCOL (Open Drain Output)

Output Low Voltage

PWRONKEY-, OPT1 (Internal 140KΩ Pull-up)

Input High Voltage
Input Low Voltage
Hysteresis

OPT2- (Input/Open Drain Output)

Input High Voltage
Input Low Voltage
Hysteresis
Output Low Voltage

OPT3

Input High Voltage
Input Low Voltage
Hysteresis

32KOUT

Output High Voltage
Output Low Voltage

RESET+ (Open Drain Output)

Output Low Voltage
OFF Leak

RSTDELAY-, RESETOUT- (Open Drain Output)

Output Low Voltage

BATID (Internal 100KΩ pull-up)

Input High Voltage
Input Low Voltage
Hysteresis

Supply Current of RTCV I

VADP: Adapter voltage

=1µF MLCC, VBAT = 3.6 V

VBAT

VIH
VIL

VIH
VIL

VOH
VOL

VOH
VOL

VOL

VOL

VIH
VIL
Vhys

VIH
VIL
Vhys
VOL

VIH
VIL
Vhys

VOH
VOL

VOL
OFF

VOL

VIH
VIL

OSC

IOH=400µA
IOL=-1.8mA

IOH=400µA
IOL=-1.8mA

IOL=-100mA

IOL=-1.8mA

IOL=-1.8mA

IOH=400µA
IOL=-1.8mA

IOL=-1.8mA

LEAK

IOL=-1.8mA

VADP=5 to 12V 0.8xVADP

RTCV=3V,
VBAT=0V
All logic: No load.

2.25

2.25

2.69

2.69

0.8xVBAT

0.8xVBAT

0.7xVBAT

0.9xRTCV

470

470

950

950

300

0.005

0.16 x
VADP

1

0.5

0.5

0.28

0.28

0.4

0.15

0.2xVBAT

0.2xVBAT

0.1xVBAT

0.2xVBAT

0.1xRTCVVV

0.1xRTCV
1

0.1xRTCV

0.2xVADPVV

V
V
mV
V
V
V
mV
V
V

V
V

V

V

V
V
mV

V
V
mV
V

V
V
mV

V
µA

V

V
µA

AC Specifications

All specs include temperature unless otherwise noted

Parameter Symbol Conditions Min Typ Max Units

Operational Supply Range RTCV 2 3.1* V
Oscillator Frequency F
Start-up Time (note) t
Frequency deviation f

REV.PrP 2/6/02 - 7 -

CLK
START
DEV

RTCV=0V to 3V 100 200 mS
RTCV=2 to 3V TBD

32.768 KHz

ADP3500

PRELIMINARY TECHNICAL DATA

Frequency Jitter

Cycle to Cycle

>100cycles

Long term Drift RTCV=3V, 3 minutes 10* ppm

SERIAL INTERFACE

Parameter Min. Typ. Max Units Test Condition/Comments

t
t
t
t
t
t
t
t
t
t
t

CKS
CSS
CKH
CKL
CSH
CSR
DS
DH
RD
RZ
CSZ

50 nS CLK set-up time

50 nS CS set-up time
100 nS CLK “High” Duration
100 nS CLK “Low” Duration
100 nS CS hold time

62

µS

50 nS Input data set-up time

40 nS Input data hold time

50 nS Data output delay time
50 nS Data output floating time
50 nS Data output floating time after CS goes low.

Note: These parameters are not tested.

ABSOLUTE MAXIMUM RATINGS

Voltage on ADAPTER pin to GND ……………………………..... -0.3, 15Vmax

Voltage on VBAT pin to GND …………………………………… -0.3, 7Vmax
Voltage on Pin 6-13, 21-28 to GND ……………………………… -0.3, V
Voltage on Pin 1, 62-64 ………………………………………….. - 0.3, VBAT+0.3V max
Voltage on Pin 20, 32 …………………………………………….. - 0.3, V
Voltage on Pin 60, 61 ……………………………………………... - 0.3, V
Voltage on Pin 2-5, 14, 30, 31, 33 …………………………………. - 0.3, 7V max
Storage Temperature Range ………………………………………. - 65 to +150 °C
Operating Temperature Range ……………………………………. - 30 to +85°C
Maximum Junction Temperature …………………………………. 125°C

Thermal Impedance (LQFP-64) ………………………………. 2 layer bo ard 76°C/W

θ

JA

θ

Thermal Impedance (LQFP-64) ………………………………. 4 layer bo ard 54°C/W

JA

Lead Temperature Range (Soldering, 60 sec) ……………………... 300°C

/S

f

JITTER

EC

CS recovery time

RTCV=3V, TA=25°C

+0.3Vmax

LDO1

+0.3V max

RTCV
ADAPTER

40*
50*

+0.3V max

nS
nS

ORDERING GUIDE

Model Temperature Range Package

ADP3500AST -30 C to 85 C LQFP 64 pins

REV.PrP 2/6/02 - 8 -

ADP3500

:

PRELIMINARY TECHNICAL DATA

PIN CONFIGURATION

R
E

E

­2
T
P
O

T

S

D

P

E

I

N

A

T

S

E

A

A

D

W

S

B

B

I

A

P

64 49

1

OPT3
KEYPADCOL0
KEYPADCOL1
KEYPADCOL2
KEYPADCOL3

KEYPADROW0
KEYPADROW1
KEYPADROW2
KEYPADROW3
KEYPADROW4
KEYPADROW5

TCXO_ON

SLEEP­BLIGHT

DGND

INT-

16

17

0

1

V
C
T
R

2

D

O

O

O

N

I

I

I

C

G

P

P

P

S

A

G

G

G

O

Figure 2. Pin Configuration

PIN DESCRIPTION

Pin Mnemonic I/O Supply Function

1 OPT3 I VBAT Optional Power ON input. ADP3500 will keep “power ON” during this pin goes “High”.
2 KEYPADCOL0 O LDO1 Keypad Column Strobe 0 (Open Drain, pull low)
3 KEYPADCOL1 O LDO1 Keypad Column Strobe 1 (Open Drain, pull low)
4 KEYPADCOL2 O LDO1 Keypad Column Strobe 2 (Open Drain, pull low)
5 KEYPADCOL3 O LDO1 Keypad Column Strobe 3 (Open Drain, pull low)
6 KEYPADROW0 I LDO1
7 KEYPADROW1 I LDO1
8 KEYPADROW2 I LDO1

9 KEYPADROW3 I LDO1
10 KEYPADROW4 I LDO1
11 KEYPADROW5 I LDO1
12 TCXO_ON I LDO1 Logic input pin for Main LDOs (LDO1, LDO2, LDO3, LDO6) turning on control. L: OFF, H

13 SLEEP- I LDO1 Logic input pin for RF Rx LDOs (LDO7 and LDO9). Gatingregister data with this input for

14 BLIGHT O VBAT LEDdrive. Open drain output.
15 DGND - - Digital Ground
16 INT- O LDO1 Interrupt signal output
17 RTCV - - Supply input for RTC, 32KHz OSC, and some other logics. Connects to Coin cell battery in

18 OSCOUT - RTCV Connect to 32.768KHz crystal.
19 AGND - - Analog Ground
20 OSCIN - RTCV Connect to 32.768KHz crystal.
21 GPIO0 I/O LDO1 General Purpose Input and Output port. Integrated Interrupt function. Interrupt occurs both

22 GPIO1 I/O LDO1 General Purpose Input and Output port. Integrated Interrupt function. Interrupt occurs both

23 GPIO2 I/O LDO1 General Purpose Input and Output port. Integrated Interrupt function. Interrupt occurs both

24 GPIO3 I/O LDO1 General Purpose Input and Output port. Integrated Interrupt function. Interrupt occurs both

25 DATA I/O LDO1 Serial Interface data input and output.
26 CS I LDO1 Serial Interface Chip Select input. ActiveHigh input.
27 CLKIN I LDO1 Serial Interface Clock input.
28 RESETIN- I LDO1 Reset input signal for internal reset signal and starts Stay-Alive timer.
29 32KOUT O RTCV 32.768KHz output. Output after 30mS when Reset is released.

Keypad Row Input 0. Pulled up internally, 10KΩ
Keypad Row Input 1. Pulled up internally, 10KΩ
Keypad Row Input 2. Pulled up internally, 10KΩ
Keypad Row Input 3. Pulled up internally, 10KΩ
Keypad Row Input 4. Pulled up internally, 10KΩ
Keypad Row Input 5. Pulled up internally, 10KΩ

ON

these LDOs. LDO7 and LDO9 are turned OFF when SLEEP- goes Low even if the registers
set to ON.

typical operation.

falling and raising edge.

falling and raising edge.

falling and raising edge.

falling and raising edge.

)
n
o

i

t

)

p

2

)

x

x

O

T

R

F

F

F

R

(

R

R

(

(

P

T

0

A

D

A

B

N

C

V

R

G

N

M

A

D

1

9

8

T

N

S

A

O

O
V
B

O

G

B

D

D

D

A

V

L

L

L

48

VBAT
LDO7 (RF Rx1)
LDO6 (Baseband Core)
VBAT
LDO5 (Vibrator)
LDO4 (Audio)
VBAT
LDO2 (Baseband AVDD)
REFO
AGND
LDO3 (RT C/Coin-cell)
VBAT
LDO1 (Baseband VDD)
LDO11 (Option)
VBAT
RSTDELAY-

33

32

3

T

O

I

A

P

D

G

+

S

N

I

C

K
L
C

T

T

N

T

S

I

U

E

E

T

O

S

T

E

T

E

S

E

R

E

S

R

E
R

-

-

A

REV.PrP 2/6/02 - 9 -