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Avago ADNK-3043-ND24 Design Manual

2.4ghz rf wireless usb optical mouse designer's kit
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ADNK-3043-ND24
2.4GHz RF Wireless USB Optical Mouse Designer's Kit
Design Guide
Introduction
This design guide describes the design of a low power
consumption optical mouse using the Texas Instrument
MSP430F1222 microcontroller, the Avago ADNS-3040
optical sensor and a Nordic nRF2402 2.4 GHz transmit-
ter. The receiver dongle is implemented with a Nordic
nRF2401 in conjunction with a Cypress CY7C63231 USB
controller. The document discusses the reference design
hardware and the firmware implementation. Included
in Appendix A is the schematic for this reference design
mouse. The software section of this document describes
the architecture of the firmware required to implement
the mouse functions. The MSP430F1222 data sheet is
available on the TI web site at www.ti.com. The ADNS-
3040 data sheet is available from the Avago web site at
www.avagotech.com. USB controller data sheet can be
found on the Cypress web site: www.cypress.com. The
Nordic transmitter and receiver data sheets are available
on www.nordicsemi.no
Key reference design objectives:
1. Highlight the low-power benefit of the ADNS-3040
2. Demonstrate a design with a RF daughter board to
facilitate experimentation with different RF technolo-
gies
3. Feature a Flash-based development environment to
facilitate rapid firmware changes
Features
• Complete LED mouse reference design kit
• Windows® 98SE, Windows 2000 and Windows XP
compatibility
• USB 1.0 low-speed compliance
• User identity code to avoid conflict with other de-
vices
• High reliability
• Smooth surface navigation
• Enhanced SmartSpeed self-adjusting frame rate for
optimum performance
• High speed motion detection up to 20 ips and 8 G
• 800 cpi resolution
• No mechanical moving parts
• A high data rate 2.4GHz RF link
• Transmission data rate up to 1Mbps
• 15 meters communication distance
• Self-adjusting power-saving modes for longest bat-
tery life
• Minimal number of passive components

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Summary of Contents for Avago ADNK-3043-ND24

  • Page 1 TI web site at www.ti.com. The ADNS- • High speed motion detection up to 20 ips and 8 G 3040 data sheet is available from the Avago web site at • 800 cpi resolution www.avagotech.com. USB controller data sheet can be •...
  • Page 2 USB data and performs the cursor movements and mouse Right Button clicks. Figure 1. ADNK-3043-ND24 Reference Design Mouse functional Block Diagram The functional block diagram of the reference design mouse is shown in Figure 1. The optical sensor detects the X and Y movements. An optical quadrature encoder Image provides the Z-wheel movement.
  • Page 3 SPI port. To learn more about sensor’s technical information, please visit the Avago web site at http://www.avagotech.com Microcontroller Figure 3. Optics Quadrature Signal Generation The Texas Instruments MSP430 family of ultra-low power...
  • Page 4 Serial Peripheral Interface (SPI) The MSP430F1222 provides a dedicated hardware-based frequency synthesizer, a power amplifier, a crystal oscilla- Serial Peripheral Interface (SPI). The three-wire interface tor and a modulator. The output power and channel are supports byte serial communication in either Master or programmed through the SPI.
  • Page 5 Some details on ADNK-3043-ND24 To Disassemble the ADNK-3043-ND24 Unit The ADNK-3034-ND24 reference design kit allows users The ADNK-3034-ND24 comprises of the plastic mouse to evaluate the performance of the Optical Tracking casing, a main printed circuit board (PCB), lens, buttons, Engine (sensor, lens, LED assembly clip, LED) over a RF and a 2.4 GHz RF daughter card, and a 2.4 GHz USB...
  • Page 6 ED80-PS000 Data Sheet and Application Note AN-1228. mouse according to usage instructions above. Additional application notes regarding Eye Safety Re- quirements are also available at Avago’s website. • For eye safety consideration, please refer to the docu- ment, Eye Safety Calculation AN1228 available on the Base Plate Feature –...
  • Page 7 WatchDog Interval Interrupt WDT Interrupt Service Routine (every 250 milliseconds) (1) Trigger WHEEL position check (2) Decrement Timeout counter LEFT Button Sensor Port 1 Interrupt MOTION Port 2 Interrupt CPU Main Processing Loop WHEEL Button Port 1 Interrupt (1) Process MOTION data (2) Process BINDING packet CONNECT Button (3) Process BUTTON data...
  • Page 9 R203 Vdd/ C210 C205 C206 10uF 10nF 22pF C208 C207 22pF X20116MHz R201 Antenna Vdd/ C201 MOSI Vss_PA SCLK ANT1 C213 L201 3.6nH U201 nRF2402 1.5pF ANT2 NCS/ C202 Control1 Vdd_PA L203 C212 C211 22nH NCS/ R202 22pF 2.2nF SCLK Vdd/ MOSI Control2...

  • Page 11: Appendix B: Bill Of Materials (Bom)

    Appendix B: Bill of Materials (BOM) Table B1. BOM for Components Shown on Schematic: Sensor and Microcontroller Main Board Part Type Value Quantity Designators Optical Sensor Device U101 Optical Sensor LED D102 Optical Sensor Lens Not shown on schematic Optical Sensor Clip Not shown on schematic Microcontroller U102...
  • Page 12 BOM for nRF2402 Reference Design: RF Board Table B2. BOM for Components Shown on Schematic: RF Transmitter Daughter Board Part Description Value Quantity Reference Resistor (0402) R202 Resistor (0402) R203 Resistor (0402) R201 Ceramic Capacitor, 50v X7R (0402) C205 Ceramic Capacitor, 50v X7R (0402) 10nF C206 Ceramic Capacitor, 50v NPO (0402)
  • Page 13 Table B3. BOM for Components Shown on Schematic: USB Dongle Part Description Value Quantity Designator Capacitor (C0G (NP0), 50 V, ±5 %, 0603) 15pF C1,C2 Capacitor (C0G (NP0), 50 V, ±5 %, 0603) 22pF Capacitor (X7R, 16 V, ±10 %, 0603) 2.2nF Capacitor (X7R, 16 V, ±10 %, 0603) Capacitor (X7R, 16 V, ±10 %, 0603)
  • Page 14 Appendix C: Base Plate Feature ADNS ADNS-3120-001 LEN RECESS DIMENSIONS: DIMENSIONS: 31.5 x 17.0 mm 31.5 x 17.0 mm KEY PYRAMID KEY PYRAMID FEATURE: FEATURE: 2.50mm HEIGHT MAX. 2.50mm HEIGHT MAX. Figure C1. Illustration of base plate mounting features...
  • Page 15 Appendix D: Sectional view of PCB assembly Sensor Clip 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). Appendix E: Receiver dongle Implementation The USB receiver dongle for this reference design is supplied by Nordic Semiconductor.

  • Page 16: Appendix F: Kit Components

    For product information and a complete list of distributors, please go to our web site: Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies, Limited in the United States and other countries. Data subject to change. Copyright © 2007 Avago Technologies Limited. All rights reserved.