CY4623 Cypress Semiconductor Corp, CY4623 Datasheet

CY4623

Manufacturer Part Number

CY4623

Description

KIT MOUSE REFERENCE DESIGN

Manufacturer

Cypress Semiconductor Corp

Series

enCoRe™IIr

Datasheet

1.CY4623.pdf (1 pages)

Specifications of CY4623

Main Purpose

Reference Design, Optical Mouse

Utilized Ic / Part

CY7C633xx, CY7C638xx, CY7C639xx

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Secondary Attributes

Embedded

Primary Attributes

Lead Free Status / Rohs Status

Not Compliant

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Cypress (with logo) is a trademark of Cypress Semiconductor Corporation. The names of any other companies, products, or services mentioned herein are for identification purposes only and may be trademarks, registered trademarks, or service marks of or may be copyrighted by their respective holders. Cypress

Semiconductor Corporation assumes no responsibility for customer product design and assumes no responsibility for infringement of patents or rights of others that may result from Cypress assistance, and no product licenses are implied.

Our Optical Mouse Reference Design is based on the Cypress

enCoRe II - enhanced Component Reduction – device family.

This revolutionary family integrates numerous common

components, including our breakthrough crystal-less oscillator,

3.3V regulator with external supply, D- pull-up resistor, and

flash memory. The result is an overall reduction in board

components and a reduced system cost.

This design utilizes a single cable capable of being connected

via a USB connector or PS/2 connector with an

Firmware can be built to demonstrate USB or PS/2 operation,

and the chip will support a complete combi USB-PS/2

implementation. The flash based microcontroller allows easy

firmware modification, as well as storage of Vendor and

Product IDs without an external EEPROM. The flash can be re-

programmed directly through the USB cable, making it possible

to update firmware in manufacturing or in the field without even

opening the plastics!

•

Agilent ADNS-2620 optical sensor

USB or PS/2 support

No external transistors or pull-ups

3 buttons with I/O for 6-10 more

CY7C638xx device family

USB 2.0 specification compliant

WHQL compliant

May be customized for full combi support

Capable of interface auto detection

Internal crystal-less oscillator

Proprietary 8-bit RISC processor, optimized for USB

and PS/2

Up to 8KB of internal flash

Optical Mouse

enCoRe II™

CY4623

adapter.

Cypress offers a complete design for a

USB or PS2 mouse in a cost effective,

space-saving solution. This reference

design is a fully functional product that

complies with all applicable USB, PS/2,

and WHQL specifications.

Design Components

The CY4623 Optical Mouse Design, available as a complete kit or

via download on the Cypress web site, is a complete resource for

developers to utilize in the development of their own product with

the Cypress enCoRe II chips.

The complete reference design includes:

•

Kit Part Numbers

Reference Design Kit

CY4623

PS2 Clock

PS2 Data

Evaluation 3-button combi optical mouse

“MiniProg” programmer and USB receptacle adapter

Firmware source and object code

Firmware User’s Guide

Schematics in .pdf and Orcad

Gerber database files

Bill of Materials

BUS

D+ /

Gnd

D- /

enCoRe II MOUSE SYSTEM DIAGRAM

Control

Button

CY7C638xx

enCoRe II

Z-encoder

Development Tools

CY3655-DK

SDIO

SPI /

3.3v

LED Control

3.3v sensors

Sensor

Optional for

Optical

Mouse

Illumination

3 August 2005

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