ADP5585CP-EVALZ Analog Devices, ADP5585CP-EVALZ Datasheet

ADP5585CP-EVALZ

Manufacturer Part Number

ADP5585CP-EVALZ

Description

Interface Development Tools LFCSP Evaluation Board

Manufacturer

Analog Devices

Series

ADP5585r

Datasheet

1.ADP5585CP-EVALZ.pdf (40 pages)

Specifications of ADP5585CP-EVALZ

Rohs

yes

Product

Evaluation Boards

Tool Is For Evaluation Of

ADP5585

Interface Type

I2C

Operating Supply Voltage

1.8 V to 3 V

Factory Pack Quantity

Current page: 1 of 40
Download datasheet (569Kb)

Data Sheet

FEATURES

16-element FIFO for event recording

10 configurable I/Os allowing functions such as

Open-drain interrupt output

16-ball WLCSP, 1.59 mm × 1.59 mm

16-lead LFCSP, 3 mm × 3 mm

APPLICATIONS

Keypad entries and input/output expansion capabilities

Smart phones, remote controls, and cameras

Healthcare, industrial, and instrumentation

GENERAL DESCRIPTION

The ADP5585 is a 10 input/output port expander with a built in

keypad matrix decoder, programmable logic, reset generator, and

PWM generator. Input/output expander ICs are used in portable

devices (phones, remote controls, and cameras) and nonportable

applications (healthcare, industrial, and instrumentation). I/O

expanders can be used to increase the number of I/Os available

to a processor or to reduce the number of I/Os required through

interface connectors for front panel designs.

The ADP5585 handles all key scanning and decoding and can

flag the main processor via an interrupt line that new key events

have occurred. GPI changes and logic changes can also be tracked

Rev. C

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

C interface with fast mode plus (Fm+) support of up to 1 MHz

Key pad decoding for a matrix of up to 5 × 5

Key press/release interrupts

GPIO functions

GPI with selectable interrupt level

100 kΩ or 300 kΩ pull-up resistors

300 kΩ pull-down resistors

GPO with push-pull or open-drain

Programmable logic block

PWM generator

Reset generators

11 GPIOs (5 × 6) with ADP5585ACxZ-01-R7 models

Internal PWM generation

External PWM with internal PWM AND function

Document Feedback

Keypad Decoder and I/O Expansion

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

RST/R5

as events via the FIFO, eliminating the need to monitor different

registers for event changes. The ADP5585 is equipped with a

FIFO to store up to 16 events. Events can be read back by the

processor via an I

The ADP5585 frees up the main processor from having to

monitor the keypad, thereby reducing power consumption

and/or increasing processor bandwidth for performing other

functions.

The programmable logic functions allow common logic require-

ments to be integrated as part of the GPIO expander, thus saving

board area and cost.

SDA

SCL

ADP5585

CONFIG

FUNCTIONAL BLOCK DIAGRAM

I/O

C-compatible interface.

C INTERFACE

UVLO

VDD

POR

KEY SCAN

GPI SCAN

DECODE

RESET1

RESET2

LOGIC

Figure 1.

PWM

GEN

AND

OSCILLATOR

REGISTERS

GND

ADP5585

www.analog.com

INT

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