ADNK-5003 Avago Technologies US Inc., ADNK-5003 Datasheet

ADNK-5003

Manufacturer Part Number

ADNK-5003

Description

KIT REF DES OPT MOUSE ADNS-5000

Manufacturer

Avago Technologies US Inc.

Datasheet

1.ADNK-5003.pdf (8 pages)

Specifications of ADNK-5003

Main Purpose

Reference Design, Optical Mouse

Utilized Ic / Part

ADNS-5000

Product

Tools & Accessories

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Secondary Attributes

Embedded

Primary Attributes

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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ADNK-5003

Optical Mouse Designer’s Kit

Design Guide

Introduction

The Universal Serial Bus (USB) is an industry standard se-

rial interface between a computer and peripherals such

as a mouse, joystick, keyboard, etc. This design guide

describes how a cost-effective USB optical mouse can be

built using the Avago Technologies ADNS-5000 optical

sensor. The document starts with the basic operations

of a computer mouse peripheral followed by an intro-

duction to the Avago Technologies ADNS-5000 Optical

Navigation Sensor. A schematic of the ADNS-5000 optical

sensor and buttons of a standard mouse can be found in

Appendix A. The ADNS-5000 data sheet is available from

the Avago Technologies web site at www.avagotech.com.

USB documentation can be found at the USB Implement-

ers Forum web site at www.usb.org.

The ADNS-5000 navigation sensor along with the ADNS-

5100 round lens or ADNS-5100-001 trim lens, ADNS-5200

clip and HLMP-ED80 LED form a complete and compact

mouse tracking system. There are no moving parts, which

means high reliability and less maintenance for the end

user. In addition, precision optical alignment is not re-

quired, facilitating high volume assembly.

Optical Mouse Basics

The optical mouse measures changes in position by opti-

cally acquiring sequential surface images (frames), and

mathematically determining the direction and magni-

tude of movement. The Z-wheel movement is done in the

traditional method by decoding the quadrature signal

generated by optical sensors. This design guide shows

how to connect to and manage a standard configuration

of mouse hardware, as well as handle the USB protocols

as a standard way of reporting mouse movement and

button presses to the PC.

Optical Navigation Sensor

Avago Technologies ADNS-5000 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 USB

stream output.

The IAS acquires microscopic surface images via the lens

and illumination system provided by the ADNS-5100,

ADNS-5200, and HLMP-ED80-XX000. These images are

processed by the DSP to determine the direction and

distance of motion. The DSP generates the ∆x and ∆y

relative displacement values which are converted to USB

motion data.

Mouse Z-Wheel

The motion of Z-wheel is detected using the traditional

method by decoding the quadrature signal generated by

optical sensors:

For mechanical Z-wheels the following must be imple-

mented.

1. Use a rotary switch equivalent to the Panasonic part

2. Solder the rotary switch into the PCB such that the

3. Connect the “A” terminal of the rotary switch to “ZA”

As shown in Figure 2 below, traveling along the quadra-

ture signal to the right produces a unique set of state

transitions, and traveling to the left produces another set

of unique state transitions.

EVQVX at http://industrial.panasonic.com/www-

data/pdf/ATC0000/ATC0000CE20.pdf (The key point

is stable “A” switch state in all detent positions).

common pin is closest to the cable end of the mouse.

(Metal plate faces to left)

and the “B” terminal to “ZB”. ZA MUST be connected

to “Signal A” in Figure 2 where the z-wheel detents are

mechanically stable.

Related parts for ADNK-5003

ADNK-5003 Summary of contents

Page 1

... ADNK-5003 Optical Mouse Designer’s Kit Design Guide Introduction The Universal Serial Bus (USB industry standard se- rial interface between a computer and peripherals such as a mouse, joystick, keyboard, etc. This design guide describes how a cost-effective USB optical mouse can be built using the Avago Technologies ADNS-5000 optical sensor ...

Page 2

... B4 11 Figure 2. Optics Quadrature Signal Generation Some details on ADNK-5003 The ADNK-5003 reference design mouse unit allows us- ers to evaluate the performance of the Optical Tracking Engine (sensor, lens, LED assembly clip, LED) over a USB protocol. This kit also enables users to understand the recommended mechanical assembly. (See Appendix C ...

Page 3

... The ADNK-5003 comprises of the plastic mouse casing, printed circuit board (PCB), lens, buttons, and USB cable. (See Figure 3) Unscrewing the one screw located at the base of the unit can open the ADNK-5003 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-5003 in PCB layout form. See Appendix C for more details. Table 1. USB Strap (Jumper) Table The PID/string strap matrix is the following: ...

Page 5

... USB D− USB D+ Vdd Mechanical 4 Z_wheel ZB OPT 3.3V 12 Figure A1. Circuit-level block diagram for ADNK-5003 designer’s kit optical mouse using the Avago Technologies ADNS-5000 optical mouse 5 Vdd 5V C1, C2 0.1uF C4 = 4.7uF 3.3 uF VDD5 GND 8 Vdd 5V LED_GND 5 R1 NAV LED 6 OSC IN ...

Page 6

Appendix B: Bill of Materials for Components Shown on schematic Part Type Designator 59R R8 750R 1.5k R9 10k R2 10k R4 22k R5 22k R6 100nF C4 100nF C3 100nF C5 3.3uF/16V C1 4.7uF/16V ...

Page 7

Appendix C: PCB Layout Figure C1. PCB Schematic (Bottom Layer) Figure C2. PCB Schematic (Top Overlay) 7 ...

Page 8

... Trim Lens Plate ADNS-5200 LED Assembly Clip HLMP-ED80-XX000 LED ADNK-5003 CD Includes Documentation and Support Files for ADNK-5003 Documentation a. ADNS-5000 Optical Mouse Sensor Data Sheet b. ADNS-5100 Round Lens and ADNS-5100-001 Trim Lens Data Sheet c. ADNS-5200 LED Assembly Clip d. HLMP-ED80-XX000 LED Data Sheet Hardware Support Files a ...

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