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Dialog DA9026 User Manual

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© Dialog Semiconductor 2005. All rights reserved.
DA9026 Evaluation Board
User Guide - Preliminary
SETUP AND USING THE DA9026 LIGHTSHOW
PROCESSOR EVALUATION BOARD
The DA9026 lightshow processor evaluation board
Summary
The DA9026 Evaluation Board has been
produced
to
demonstrate
solution meeting the needs of LED 'lightshow',
solutions
in
cellular
phones
consumer applications.
The evaluation board enables users to view
existing LED light sequences and to be able to
generate new sequences to explore the
possibilities of the DA9026 device.
The evaluation PCB is supplied together with
a CD ROM containing documentation and
driver files.
The driver software uses a simple graphical
interface,
allowing
the
DA9026
controlled via the USB port of a PC.
This document describes the hardware and
software used by Dialog Semiconductor to
test and evaluate the DA9026 lightshow
processor.
The hardware solution is based upon PCB
numbered 44-179-62-03-A.
CONFIDENTIAL
CONFIDENTIAL
DA9026-UG03-0705
The software uses a PC operating Windows
an
integrated
98/ME/2000/XP with a USB1.1 or USB2
interface.
and
other
The DA9026 device plus the USB interface
consume approximately 120mA in the standby
state, and up to 200mA in the active state.
The USB cable must therefore be plugged
directly into a capable USB port. It is not
guaranteed to operate in a hub. (See the
section on power supplies).
The main software interface provides a
straightforward demonstration panel, but an
alternative interface allows control of all the
to
be
DA9026 registers, whilst providing a user-
friendly
demonstrations.
DA9026-UG04-0705
DA9026
interface
to
configure
additional
Page 1 of 15

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  • Page 1 The DA9026 device plus the USB interface consume approximately 120mA in the standby The evaluation board enables users to view state, and up to 200mA in the active state. existing LED light sequences and to be able to...

  • Page 2: Table Of Contents

    APPENDIX A — I2C REGISTER TEXT FILE............12 APPENDIC B — PANEL DATA TEXT FILE .............. 13 APPENDIC C — RECORDING SOUND EXTRACTS..........14 APPENDIX D — USB READ/WRITE RETURN STATUS VALUES ......15 © Dialog Semiconductor 2005. All rights reserved. CONFIDENTIAL DA9026-UG04-0705 Page 2 of 15...

  • Page 3: Notices

    Whilst care has been taken in the design of the product, Should the user be uncertain regarding any aspect of the Dialog Semiconductor assumes no liability from the user for product, please contact...

  • Page 4: Summary

    USB 5V supply, and a set of six full color LEDs. Any voltage above this represents wasted power. The DA9026 device contains a 5V DCDC converter, but it has not been used in the simple evaluation module. The minimum voltage at the cathode of the colored LEDs is therefore VF(max)+0.6V.

  • Page 5: Description Of Led Demo

    Table 1 Abbreviated full color LED specification Parameter Symbol Typ. Conditions Luminous Intensity mcd @20mA mcd@20mA mcd@20mA Forward Voltage V@20mA V@20mA V@20mA Forward Current Peak Forward Current (Duty 1/10@1kHz) © Dialog Semiconductor 2005. All rights reserved. CONFIDENTIAL DA9026-UG04-0705 Page 5 of 15...

  • Page 6: Software

    ‘stop the current demonstration’, should this be necessary. Demonstration Panel On this panel there is also the option of viewing the DA9026 Register Values, by clicking on the ‘View Register Settings’ Run the DA9026 program by clicking the shortcut on the button.

  • Page 7: Sequence Colors

    The I2C direct command block enables the user to read and write registers directly from and to the DA9026 device. This, In order to achieve the required colour on tri-colored LEDs,...

  • Page 8: Duration & Fade Parameters

    The DA9026 device uses 4 bits to store the color values, and so the range for the ‘slider’ values are 0x0 – 0xF. Figure 8. Drop down menu for duration & fade parameters However, with selection of colors from the general (standard) palette, the full range of 0x00 –...

  • Page 9: Timing Parameters

    DA9026 module. The Switching Time parameter controls the basic switching time within the DA9026 device - i.e. it controls the switching frequency which underlies the basic concept of the device. 5 bits are used to store this information and values are in the range 7us to 2000us.

  • Page 10: I2C Direct Commands

    Description tion This section of the panel represents the most powerful sec- tion of the interface to the DA9026 device. It enables the Save Save the current values of the configuration user to have total control over the registers of the module, in...

  • Page 11: Troubleshooting

    Occasionally it might be necessary to disconnect the USB cable and re-insert it into the board. © Dialog Semiconductor 2005. All rights reserved. CONFIDENTIAL DA9026-UG04-0705 Page 11 of 15...

  • Page 12: Appendix A - I2C Register Text File

    // Register file, used to send I2C commands to any device on the bus // Format is Slave[TAB]Register[TAB]Data or alternatively 0[TAB]0[TAB]Delay(ms) to set a delay. // Lines beginning with two '/'s are ignored © Dialog Semiconductor 2005. All rights reserved. CONFIDENTIAL DA9026-UG04-0705 Page 12 of 15...

  • Page 13: Appendic B - Panel Data Text File

    (bracketed with /* */), and data as a file is loaded onto the panel and register values on the described. The format is VERY specific to this DA9026 DA9026 device are set. software demonstration package. /* LED MODULE 1 */...

  • Page 14: Appendic C - Recording Sound Extracts

    The technique that has been used to record some of the It is important, however, to have the correct settings to be extracts available as demos with the DA9026 software is to able to record the appropriate channel. The recording use the standard ‘Sound Recorder’...

  • Page 15: Appendix D - Usb Read/Write Return Status Values

    Dialog Semiconductor reserves the right to alter without notice the specification, design, price or conditions of supply of the product. Customer takes note that Dialog Semiconductor’s products are not designed for use in devices or systems intended for supporting or monitoring life nor for United Kingdom surgical implants into the body.

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