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RTD2556数据手册

RTD2556数据手册,The Realtek RTD2556-CG monitor controller combines an analog RGB input interface, HDMI 1.4 compliant digital input interfaces with HDCP1.4, and DVI digital input interfaces with HDCP1.4. The embedded MCU is based on an industrial standard 8051 core with external serial flash. The RTD2556-CG is suitable for multiple market segments and display applications, such as monitor, All in One PC, and embedded applications.
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RTD2556-CG
MULTI-FUNCTION DISPLAY CONTROLLER
DATASHEET
(CONFIDENTIAL: Development Partners Only)
Rev. 0.01
26 February 2016
Track ID: JATR-8275-15
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211. Fax: +886-3-577-6047
www.realtek.com

RTD2556-CG
Datasheet
Multi-Function Display Controller
ii
Track ID: JATR-8275-15 Rev. 1.00
COPYRIGHT
© 2015 Realtek Semiconductor Corp. All rights reserved. No part of this document may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means without the written permission of Realtek Semiconductor Corp.
DISCLAIMER
Realtek provides this document ‘as is’, without warranty of any kind. Realtek may make improvements
and/or changes in this document or in the product described in this document at any time. This document
could include technical inaccuracies or typographical errors.
TRADEMARKS
Realtek is a trademark of Realtek Semiconductor Corporation. Other names mentioned in this document
are trademarks/registered trademarks of their respective owners.
USING THIS DOCUMENT
This document is intended for the software engineer’s reference and provides detailed programming
information.
Though every effort has been made to ensure that this document is current and accurate, more information
may have become available subsequent to the production of this guide.
REVISION HISTORY
Revision
Release Date
Summary
0.01
2016/02/26
First release.

RTD2556-CG
Datasheet
Multi-Function Display Controller
iii
Track ID: JATR-8275-15 Rev. 1.00
Table of Contents
1. GENERAL DESCRIPTION ........................................................................................................................................... 1
2. FEATURES ...................................................................................................................................................................... 2
3. SYSTEM APPLICATIONS ............................................................................................................................................ 5
4. BLOCK DIAGRAM ........................................................................................................................................................ 6
5. PIN ASSIGNMENTS ....................................................................................................................................................... 7
6. PIN ASSIGNMENTS TABLE......................................................................................................................................... 8
7. ELECTRICAL SPECIFICATIONS ............................................................................................................................. 16
7.1. Recommended Operating Conditions ........................................................................................... 16
7.2. Absolute Maximum Ratings .......................................................................................................... 16
7.3. Reset Period .................................................................................................................................... 16
8. MECHANICAL SPECIFICATIONS ........................................................................................................................... 17
9. ORDERING INFORMATION ..................................................................................................................................... 19
List of Tables
TABLE 1. SIGNALS PIN ASSIGNMENT OF LQFP156 .......................................................................................................................... 8
TABLE 2. RECOMMENDED OPERATING CONDITIONS OF LQFP156 ................................................................................................ 16
TABLE 3. ABSOLUTE MAXIMUM RATINGS OF LQFP156 ................................................................................................................ 16
TABLE 4. RESET PERIOD OF LQFP156........................................................................................................................................... 16
TABLE 5. MECHANICAL SPECIFICATION OF LQFP156 LEADS ........................................................................................................ 18
TABLE 6. ORDERING INFORMATION ............................................................................................................................................... 19
List of Figures
FIGURE 1. BLOCK DIAGRAM ........................................................................................................................................................... 6
FIGURE 2. PIN DIAGRAM OF LQFP156 ............................................................................................................................................ 7
FIGURE 3. MECHANICAL SPECIFICATION OF LQFP156 LEADS ...................................................................................................... 17

RTD2556-CG
Datasheet
Multi-Function Display Controller
1
Track ID: JATR-8275-15 Rev. 0.01
1. General Description
The Realtek RTD2556-CG monitor controller combines an analog RGB input interface, HDMI 1.4
compliant digital input interfaces with HDCP1.4, and DVI digital input interfaces with HDCP1.4. The
embedded MCU is based on an industrial standard 8051 core with external serial flash.
The RTD2556-CG is suitable for multiple market segments and display applications, such as monitor, All
in One PC, and embedded applications.

RTD2556-CG
Datasheet
Multi-Function Display Controller
2
Track ID: JATR-8275-15 Rev. 0.01
2. Features
General
RTD2556-CG supports input format up to
1920x1080 @ 60Hz.
Support eDP panel interfaces
Zoom scaling up and down
Embedded one MCU with SPI flash
controller.
It contains 4 ADCs in key pad application
Require only one crystal to generate all
timing.
Programmable internal low-voltage-reset
(LVR)
High resolution 6 channels PWM output, and
wide range selectable PWM frequency.
Crystal
Support 14.318MHz crystal type
Analog RGB Input Interface
1 Analog input supported
Integrated 8-bit triple-channel 210MHz
ADC/PLL
Embedded programmable Schmitt trigger of
HSYNC
Support Sync-On-Green (SOG) and various
kinds of composite sync modes
On-chip high-performance hybrid PLLs
High resolution true 64 phase ADC PLL
YPbPr support up to HDTV 1080p resolution
High Speed Combo Receiver
RTD2556-CG supports 1 ports of High Speed
Combo Receivers. And it can be configured
as HDMI1.4 (3GHz) or DVI as desired
In HDMI mode, HDMI1.4 is supported
In HDMI mode, data enable only mode is
supported
In HDMI mode, 6-bit, 8-bit, 10-bit, and 12-bit
color depth transport is supported
In HDMI mode, High-Bandwidth Digital
Content Protection (HDCP 1.4/HDCP2.2) is
supported
In HDMI mode, HDMI audio is allowed to
transmit to I2S/SPDIF output
In DVI mode, Digital Content Protection
(HDCP 1.4) is supported
Embedded MCU
Industrial standard 8051 core with external
serial flash
Low speed ADC for various application
I2C Master or Slave hardware supported
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