ADP5588 Analog Devices, ADP5588 Datasheet - Page 2

• Manufacturer Part Number: ADP5588
• Description: Mobile I/O Expander and QWERTY Keypad Controller
• Manufacturer: Analog Devices

Specifications of ADP5588

• Vin Range: 1.8 to 3.0V
• Number Of I/os: 16
• Application: Mobil I-0 Exp-Keybd Cont,Mobil I-O Expander
• Qwerty Keypad: Yes
• Other Functions: I2C I/O
• Function Flag: Mobil I-O
• Package: 24-Lead LFCSP

ADP5588
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Pin Configuration and Function Descriptions ............................. 6
Theory of Operation ........................................................................ 7
REVISION HISTORY
2/12—Rev. B to Rev. C
Changes to Table 12 .......................................................................... 8
Changes to Table 27 ........................................................................ 18
4/09—Rev. A to Rev. B
Changes to Title ................................................................................ 1
Changes to Ordering Guide .......................................................... 26
11/08—Rev. Sp0 to Rev. A
DC Electrical Characteristics ...................................................... 3
Thermal Resistance ...................................................................... 5
ESD Caution .................................................................................. 5
Rev. C | Page 2 of 28
I
Applications Information .............................................................. 24
Outline Dimensions ....................................................................... 26
2
C Programming and Digital Control ........................................ 14
Keypad Operation .........................................................................7
General-Purpose Inputs and Outputs ........................................9
Registers ....................................................................................... 15
Register Descriptions ................................................................. 16
Comparator Register Descriptions .......................................... 21
Applications Overview .............................................................. 24
Keypad Current .......................................................................... 24
Backlight Control Application .................................................. 24
Ordering Guide .......................................................................... 26
Data Sheet