ADNK-5023-SP02 Avago Technologies US Inc., ADNK-5023-SP02 Datasheet

ADNK-5023-SP02

Manufacturer Part Number

ADNK-5023-SP02

Description

KIT REF DES OPTICAL MOUSE A5023

Manufacturer

Avago Technologies US Inc.

Datasheets

1.ADNK-5023-SP02.pdf (24 pages)

2.ADNK-5023-SP02.pdf (3 pages)

3.ADNK-5023-SP02.pdf (10 pages)

Specifications of ADNK-5023-SP02

Main Purpose

Reference Design, Optical Mouse

Utilized Ic / Part

ADNS-5020

Description/function

Optical Mouse Sensor Kit

Interface Type

USB

Product

Display Modules

Touch Panel

No Touch Panel

For Use With/related Products

SPCP18A-13C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Secondary Attributes

Embedded

Primary Attributes

Lead Free Status / Rohs Status

Details

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ADNK-5023-SP02

Optical Mouse Designer’s Kit

Design Guide

Introduction

The Universal Serial Bus (USB) is an industry standard

serial interface between a computer and peripherals

such as a mouse, joystick, keyboard, UPS, etc. This design

guide describes how a cost-effective USB optical mouse

can be built using Avago Technologies small form factor

ADNS-5020-EN optical mouse sensor and the powerful

Sunplus SPCP18A-13C microcontroller. The document

starts with the basic operations of a computer mouse pe-

ripheral followed by an introduction to the Avago Tech-

nologies ADNS-5020-EN Optical Navigation Sensor and

Sunplus SPCP18A-13C microcontroller. A schematic of

the SPCP18A-13C microcontroller to the ADNS-5020-EN

optical mouse sensor and buttons of a standard mouse

can be found in Appendix A. The SPCP18A-13C data

sheet is available from the Sunplus web site at www.

sunplus.com. The ADNS-5020-EN data sheet is available

from the Avago web site at http://www.avagotech.com/.

USB documentation can be found at the USB Implement-

ers Forum web site at www.usb.org.

Optical Mouse Basics

The optical mouse measures changes in position by

optically acquiring sequential surface images (frames),

and mathematically determining the direction and

magnitude of movement. A mechanical quadrature

encoder provides the Z-wheel movement. Each of the

button switch is pulled up normally and provides a

GND when pressed. This design guide shows how to

connect to and manage a standard configuration of

mouse hardware, as well as handle the USB protocol. This

protocol provides a standard way of reporting mouse

movement and button presses to the PC.

Introduction to ADNS-5020-EN Optical Mouse Sensor

Avago Technologies’ ADNS-5020-EN optical sensor is

used in this reference design as the primary navigation

engine. This Optical Navigation Technology contains an

Image Acquisition System, a Digital Signal Processor, and

a three-wire serial port. The SPCP18A-13C periodically

reads the ADNS-5020-EN’s Delta_X and Delta_Y registers

to obtain any horizontal and vertical motion information

happening as a result of the mouse being moved. The

three-wire synchronous serial port is used to set and read

parameters in the ADNS-5020-EN, and to read out the

motion, (delta) X and (delta) Y information.

This motion information will be reported to the PC to

update the position of the cursor. The advantages of

using ADNS-5020-EN optical sensor are: good tracking

accuracy, small form factor, sensor programming flex-

ibility via SPI port, and the automatic frame rate feature.

Furthermore, ADNS-5020-EN sensor has built-in oscilla-

tor and on-chip LED driver to minimize external compo-

nents. Additionally, Burst mode is another special serial

port operation mode which may be used to reduce the

serial transaction time for motion read operation

Motion Read is activated by reading the Motion_Burst

contents of the Delta_X, Delta_Y, SQUAL, Shutter_Upper,

Shutter_Lower, Maximum_Pixel and Pixel_Sum registers

in that order.

To learn more about sensor’s technical information,

please visit the Avago web site at http://www.avagotech.

com/

The ADNS-5020-EN will respond with the

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ADNK-5023-SP02 Summary of contents

Page 1

... ADNK-5023-SP02 Optical Mouse Designer’s Kit Design Guide Introduction The Universal Serial Bus (USB industry standard serial interface between a computer and peripherals such as a mouse, joystick, keyboard, UPS, etc. This design guide describes how a cost-effective USB optical mouse can be built using Avago Technologies small form factor ADNS-5020-EN optical mouse sensor and the powerful Sunplus SPCP18A-13C microcontroller ...

Page 2

Mechanical Z-Wheel The motion of Z-wheel is detected using the traditional method by decoding the quadrature signal generated by mechanical encoder. The Z-pinwheel is connected to the Z-encoder through its shaft. The rotational movement of the shaft is decoded into ...

Page 3

... USB cable. (See Figure 2.) Unscrewing the one screw located at the base of the unit can open the ADNK-5023-SP02 unit. Lifting and pulling the PCB out of the base plate can further disassemble the mouse unit. ...

Page 4

... See Appendix D for details. Reference Design Documentation – Gerber File The Gerber File presents detailed schematics used in ADNK-5023-SP02 in PCB layout form. See Appendix C for more details. Overall circuit A schematic of the overall circuit is shown in Appendix A of this document ...

Page 5

ADNS-5020E VDD ...

Page 6

Appendix B: Bill of Materials for Components Shown on schematic No. Descriptions Header friction lock, .5mm Multilayer ceramic cap .uF V Multilayer ceramic cap .7uF 50V Multilayer ceramic cap 00nF V 5 Multilayer ceramic cap .uF ...

Page 7

Figure C3. PCB Schematic (Bottom Overlay) 7 ...

Page 8

Appendix D: Base Plate Feature Figure D1. Bottom, top and side view of base plate Figure D2. Overall view of base plate 8 ...

Page 9

Appendix E: Sectional view of PCB assembly Lens/Light Pipe Base Plate Surface Figure E1. Sectional view of PCB assembly highlighting all optical mouse components (optical mouse sensor, clip, lens, LED, PCB, and base plate). 9 LED Sensor Clip PCB ...

Page 10

... ADNS-500-00 Trim Lens Plate ADNS-500 LED Assembly Clip (Transparent) HLMP-ED80-XX000 9 nm T-¾ (5 mm) Diameter LED ADNK-50-SP0 Includes Documentation and Support Files for ADNK-50-SP0 CD Documentation ADNS-500-EN Data Sheet ADNK-50-SP0 Design Guide ADNK-50-SP0 Kit Overview SPCP8A-C Data Sheet ADNS-500 Data Sheet ...

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