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Details, datasheet, quote on part number:82C205
 
 
Part:82C205
Category:Optoelectronics => Drivers/Controllers => LCDs => LCD Panel controllers
Description:LCD Panel Controllers Chromacast
Company:OPTi Inc.
Datasheet:Download 82C205 datasheet   File size : 471 kB
Request For quote:  Find where to buy 82C205
 



Datasheet text preview:
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ChromaCast ChromaCast
82C205
LCD Monitor Controller

Advance Information CONFIDENTIAL

Revision 1.0 912-1000-024 7/8/99

Copyright No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, manual, or otherwise, without the prior written permission of OPTi Inc., 1440 McCarthy Blvd. Milpitas, CA 95035.

Disclaimer OPTi Inc. makes no representations or warranties with respect to the design and documentation herein described and especially disclaims any implied warranties of merchantability or fitness for any particular purpose. Further, OPTi Inc. reserves the right to revise the design and associated documentation and to make changes from time to time in the content without obligation of OPTi Inc. to notify any person of such revisions or changes. Trademarks OPTi and OPTi Inc. are registered trademarks of OPTi Inc. All other trademarks and copyrights are the property of their respective holders.

OPTi Inc.
1440 McCarthy Blvd. Milpitas, CA 95035 Tel: (408) 486-8000 Fax: (408) 486-8001 W W W : http://www.opti.com

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Advance Information 82C205

Table of Contents
1. 2. 3. FEATURES ......1 OVERVIEW ......3 SIGNAL DEFINITIONS ......5 3.1. 3.2. 3.3. PIN DIAGRAM .......5 PIN LISTING..........6 SIGNAL DESCRIPTIONS ..8 Terminology/Nomenclature Conventions ....8 CPU and System Interface...........8 NTSC/PAL Decoder Interface ......9 DRAM Interface....9 Panel Interface Signals .....10 Power and Ground Signals ........10

3.3.1. 3.3.2. 3.3.3. 3.3.4. 3.3.5. 3.3.6. 3.4. 3.5. 3.6.

TEST MODE SIGNALS ..12 POWER AND GROUND PINS.........12 POWER UP STRAPPING ASSIGNMENTS ..........13 Panel Type .........13 Register Base Address Strapping .............13

3.6.1. 3.6.2. 4.

FUNCTIONAL DESCRIPTION........15 4.1. 4.2. 4.3. 4.4. 4.5. 4.6. 4.7. 4.8. 4.9. 4.10. 4.11. 4.12. INTERNAL BLOCK DIAGRAM.........15 MICRO-CONTROLLER INTERFACE .........15 INPUT SOURCE............15 AUTOMATIC RESOLUTION DETECTION ..16 TV MODE...........16 FULL SCALE AND CENTERING OPTIONS .........16 CONTRAST/BRIGHTNESS CONTROL ......16 ON SCREEN DISPLAY ..16 DITHERING .........17 VERSATILE PANEL SUPPORT ............17 CLOCK GENERATION......17 DRAM INTERFACE...18

5.

REGISTER DESCRIPTIONS ..........19 5.1. 5.2. REVISION REGISTER....19 SYSTEM CONTROL REGISTER .....19

912-1000-024 Revision 2.0

Page iii

Advance Information 82C205
5.3. 5.4. 5.5. 5.6. 5.7. 5.8. 5.9. 5.10. 5.11. 5.12. 5.13. 5.14. 5.15. 5.16. 5.17. 5.18. 5.19. 5.20. 5.21. 5.22. 6. MEMORY CONTROL REGISTERS .......... 19 OSD REGISTERS ....... 22 DITHER REGISTER SETTINGS ..... 23 CAPTURE CRTC REGISTERS..... 23 SCALING REGISTERS .. 25 CONTRAST AND BRIGHTNESS CONTROL REGISTERS .... 27 VIDEO INPUT SOURCE SELECTION REGISTERS.... 27 RESOLUTION DETECTION REGISTERS ............. 28 TV DECODER INTERFACE REGISTERS ............ 29 DISPLAY HORIZONTAL SCALING....... 30 DISPLAY CRTC REGISTERS............ 30 PANEL REGISTERS.. 33 BANDWIDTH CONSERVATION REGISTERS........ 34 INTERRUPT CONTROL REGISTERS ... 34 CLUT ACCESS CONTROL ...... 35 ADC AND PLL CONTROL REGISTERS ............. 35 POWER MANAGEMENT REGISTERS.. 35 CLUT REGISTERS .. 36 STATUS REGISTERS...... 38 I/O CONTROL REGISTERS ...... 39

TIMING INFORMATION AND WAVEFORMS ....... 40 VERTICAL TIMING FOR TFT PANEL........ 40 6.2. HORIZONTAL TIMING FOR TFT PANEL .......... 41

DETAIL OF PIXEL CLOCK TIMING ........... 41 6.4. 7. MICRO-CONTROLLER INTERFACE ........ 41

208-PIN PQFP MECHANICAL DRAWING ............ 47

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912-1000-024 Revision 1.0

Page iv

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Advance Information 82C205

1. Features
Digital Input Support
· · 24-bit digital input 300 Mb/sec data rate · · Horizontal frequency from 15 to 70 kHz Vertical frequency from 40 to 85 Hz

Host Interface
· Direct 8-bit micro-controller interface (8051compatible)

Full Screen Image Scaling At All Resolutions
· Incoming video scaled via high quality interpolation/decimation filters to full panel screen size

LCD TV Support
· · Direct video decoder interface support for LCD TV applications High quality scale up algorithm for TV input

Multiple LCD Panel Type Support
· · · 9, 12, 18, 24, 36 bit TFT panel resolution from 640x480 up to 1280x1024 Drives Single/Multiple Pixels per Clock 90 Hz panel refresh rate for TFT

VESA Compliant
· · · DPMS for Display Power Management FPDI-1 Flat Panel Display Interface LVDS and PanelLink transceiver interface for FPDI-2 (24 bpp mode)

Super OSD Support
· · 16-color OSD support Transparent, translucent, inverted video, and blinking color attribute support

Electrical/Physical Specification
· · · · 0.35 µm process 3.3 Volt power supply 5V-tolerant I/O 208 PQF package

Multi-sync support
· · Supports incoming video with resolutions from 640x480 up to 1280x1024 Automatic incoming resolution detection

912-1000-024 Revision 2.0

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