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ADP3500 Datasheet(PDF) 9 Page - Analog Devices

Part # ADP3500
Description  CDMA Power Management System
Download  29 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3500 Datasheet(HTML) 9 Page - Analog Devices

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ADP3500
REV.PrP 2/6/02
- 9 -
PIN CONFIGURATION
OPT3
INT-
KEYPADCOL0
KEYPADROW0
RSTDELAY-
REFO
LDO1 (Baseband VDD)
LDO2 (Baseband AVDD)
LDO3 (RTC/Coin-cell)
LDO11 (Option)
LDO4 (Audio)
LDO6 (Baseband Core)
LDO5 (Vibrator)
LDO7 (RF Rx1)
VBAT
BLIGHT
TCXO_ON
DGND
SLEEP-
KEYPADCOL1
KEYPADCOL2
KEYPADCOL3
KEYPADROW1
KEYPADROW2
KEYPADROW3
KEYPADROW4
KEYPADROW5
AGND
VBAT
VBAT
VBAT
VBAT
64
49
48
1
33
32
17
16
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
Keypad Row Input 0. Pulled up internally, 10K
7
KEYPADROW1
I
LDO1
Keypad Row Input 1. Pulled up internally, 10K
8
KEYPADROW2
I
LDO1
Keypad Row Input 2. Pulled up internally, 10K
9
KEYPADROW3
I
LDO1
Keypad Row Input 3. Pulled up internally, 10K
10
KEYPADROW4
I
LDO1
Keypad Row Input 4. Pulled up internally, 10K
11
KEYPADROW5
I
LDO1
Keypad Row Input 5. Pulled up internally, 10K
12
TCXO_ON
I
LDO1
Logic input pin for Main LDOs (LDO1, LDO2, LDO3, LDO6) turning on control. L: OFF, H:
ON
13
SLEEP-
I
LDO1
Logic input pin for RF Rx LDOs (LDO7 and LDO9). Gating register data with this input for
these LDOs. LDO7 and LDO9 are turned OFF when SLEEP- goes Low even if the registers
set to ON.
14
BLIGHT
O
VBAT
LED drive. 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
typical operation.
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
falling and raising edge.
22
GPIO1
I/O
LDO1
General Purpose Input and Output port. Integrated Interrupt function. Interrupt occurs both
falling and raising edge.
23
GPIO2
I/O
LDO1
General Purpose Input and Output port. Integrated Interrupt function. Interrupt occurs both
falling and raising edge.
24
GPIO3
I/O
LDO1
General Purpose Input and Output port. Integrated Interrupt function. Interrupt occurs both
falling and raising edge.
25
DATA
I/O
LDO1
Serial Interface data input and output.
26
CS
I
LDO1
Serial Interface Chip Select input. Active High 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.
PRELIMINARY TECHNICAL DATA


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