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Techwell TW8827 Скачать руководство пользователя страница 1

Techwell,Inc. TW8816 Evaluation Board User’s Manual

TW8827

Evaluation Board

User’s Manual

(Rev 1.00)

Techwell, Inc.

408 E. Plumeria Drive

San Jose, CA 95134

URL

http://www.techwellinc.com

Disclaimer

This document provides technical information for the user. Techwell, Inc. reserves the right to modify the
information in this document as necessary. The customer should make sure that they have the most recent data
sheet version. Techwell Inc. holds no responsibility for any errors that may appear in this document. Customers
should take appropriate action to ensure their use of the products does not infringe upon any patents. Techwell
Inc. respects valid patent rights of third parties and does not infringe upon or assist others to infringe upon such
rights.

Version 1.00 9/25/2007

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Содержание TW8827

Страница 1: ...odify the information in this document as necessary The customer should make sure that they have the most recent data sheet version Techwell Inc holds no responsibility for any errors that may appear...

Страница 2: ...Techwell Inc TW8816 Evaluation Board User s Manual Document Revision History Version Date Notes By Version 1 00 9 25 2007...

Страница 3: ...IDEO INPUT INTERFACE 7 5 LCD PANEL CONNECTOR INTERFACES 7 6 BUILT IN MICROCONTROLLER INTERFACE 9 7 EXTERNAL MICROCONTROLLER ERROR BOOKMARK NOT DEFINED 8 DIP SWITCH SETTINGS ON THE MAIN BOARD ERROR BOO...

Страница 4: ...sources Digital TTL YCbCr and RGB inputs allow digital TV or digital VGA monitor signals to be input for display on the same LCD display panel Techwell s TW8816 is an enhanced version of the TW88 TW8...

Страница 5: ...Techwell Inc TW8816 Evaluation Board User s Manual 2 Evaluation Board Version 1 00 9 25 2007...

Страница 6: ...er current DC adapter such as a 12V 4A power supply may be used After properly plugging in the power adapter the evaluation board may be switched ON by using the red SPDT Toggle switch S1 on the board...

Страница 7: ...er board If there are no PC input signals the input selection will default to CVBS Details of the operation of the video input interface may vary depending on the firmware a Analog Video Input Connect...

Страница 8: ...ace J9 The J9 headers are used to provide power to an inverter for the LCD back light Pin Description Pin Description 1 GND 4 Brightness 2 VCC set by J8 5 NC 3 On Off d CCFL Controller Interface CN16...

Страница 9: ...FPB00 TCSPR 3 VCC3 17 GPIO 1 TCLRL 30 FPB01 TRSPB 4 VCC3 18 GPIO 2 TRUDL 31 FPG00 CP1 5 AGND 19 GPIO 1 TCLRL 32 FPG01 CP1 6 ROUT 20 FPBIAS 33 FPR00 CP0 7 GOUT 21 FPPWC 34 FPR01 CP0 8 BOUT 22 FPPWM 35...

Страница 10: ...E Change Input Mode RESET Reset the system 9 Controlling the TW8816 There are various ways to control the operation of TW8816 on the evaluation board An RS 232 Null modem cable can be used directly fr...

Страница 11: ...erTerminal The Hyperterminal can only be used to access I2C registers of the TW8816 using basic commands send text file and upgrade firmware of the external microcontroller a Select Hyper Terminal b C...

Страница 12: ...d User s Manual d Set the COM port properties External Microcontroller 115200bps 8 bits data No parity 1 bit stop No flow control Internal Microcontroller 9600bps 8 bits data No Parity 1 bit stop No f...

Страница 13: ...etup It is required when you download a new firmware or setting file f Type Enter and see if it works g Basic Commands set These should be working in any firmware revision C Address Change address D I...

Страница 14: ...r by pressing and button 8A r 10 Read or write once Read Adrs 8Ah 10h 00h increase Write 01h to Adrs 8Ah Index 10h Read Adrs 8Ah 10h 01h increase Write 02h to Adrs 8Ah Index 10h Read Adrs 8Ah 10h 02h...

Страница 15: ...ire the use of the USB Interface Board The TW_Terminal2 application has terminal emulation capabilities and has all the functionalities of the HyperTerminal with the RS 232 connection It also provides...

Страница 16: ...ller 115200bps 8 bits data No parity 1 bit stop No flow control Internal Microcontroller 9600bps 8 bits data No Parity 1 bit stop No flow control IV After the appropriate setting is completed click on...

Страница 17: ...ite register 8A w 2 60 Write 60h to Adrs 8Ah Index 02h Read Adrs 8Ah 02h 60h 8A Register Register by pressing and button 8A r 10 Read or write once Read Adrs 8Ah 10h 00h increase Write 01h to Adrs 8Ah...

Страница 18: ...When text file is downloaded the delay time between characters and between lines can be adjusted by setting Delay for Text Sending If the downloading is not working well the delay values need to be in...

Страница 19: ...hex file v In Hex Merge window click on to choose the firmware file desired vi Click on Open in the browser window and then OK in the Hex Merge window vii Click on Auto and wait for completion viii Af...

Страница 20: ...age s can be read or written individually or as a whole Get the register table to read or write by clicking on From this page the register data read may also be saved as a table text file or as a down...

Страница 21: ...button provides write all registers function and both of them are displayed at the top of the window for each feature II When you open any of these windows you may click on to see the current settings...

Страница 22: ...Techwell Inc TW8816 Evaluation Board User s Manual Version 1 00 9 25 2007 Figure 1 TW8806 Evaluation Board Input Output Connectors...

Страница 23: ...Version 1 00 9 25 2007 References USB Interface Board User s Manual TW_Terminal2 User s Manual TW8816 Datasheet TW8816 Main Board Schematics TW8816 Embed u Controller with TW9910 Daughter Card Board S...

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