TW8823AT-LC2-GE Datasheet TW8823-LC2-CE, TW8823AT-LC2-GE | P1-P3

FN8593.1

March 14, 2014

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DATASHEET

TFT Flat Panel Controller with Built-in 3D Video

Decoder, Triple ADCs, Dual PIP and 16-bit OSD Support

TW8823C

The TW8823C incorporates many of the features

required to create a multi-purpose in-car LCD display

system into a single package. It integrates a high quality

3D comb NTSC/PAL/SECAM video decoder, triple high

speed RGB ADCs, high quality scaler, bit-mapped OSD,

triple DACs and image enhancement functions which

include Black and White Stretch, favorite color

enhancement, etc. It also supports panoramic scaling for

conversion to wide screen display format. On the input

side, it supports a rich combination of CVBS, S-video,

analog RGB as well as digital YCbCr/RGB. On the output

side, it supports both digital and analog panel types with

its built-in timing controller and analog RGB output. In

addition, the TW8823C supports LVDS type panels.

The TW8823C also has two PIP (Picture in Picture)

engines that can display three display sources

simultaneously in a single window. It also has a built-in

bit-mapped OSD with 16-bit color depth and an

acceleration function. It can also accept 18-bit external

OSD inputs. In addition, TW8823C has a built-in high

performance microcontroller with cache. Its SPI interface

supports various serial flash types.

Features

ANALOG VIDEO DECODER

 NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N

combination), PAL (60), SECAM with automatic format

detection

 Two 10-bit ADCs and analog clamping circuit

 Fully programmable static gain or automatic gain

control for the Y or CVBS channel

 Programmable white peak control for the Y or CVBS

channel

 Software selectable analog inputs allows either

composite or S-video input

 High quality motion adaptive 3D comb filter for both

NTSC and PAL with concurrent 3D noise reduction

 PAL delay line for color phase error correction

 Image enhancement with 2D dynamic peaking and

CTI

 Digital sub-carrier PLL for accurate color decoding

 Digital horizontal PLL and Advanced synchronization

processing for VCR playback and weak signal

performance.

 Programmable hue, brightness, saturation, contrast,

sharpness

 High quality horizontal and vertical filtered down

scaling with arbitrary scale down ratio

ANALOG RGB INPUTS

 Triple high speed 10-bit ADCs with clamping and

programmable gain amplifier.

 SOG and H/V sync support for YPbPr or RGB input

 Built-in line locked PLL with sync separator

 Supports analog input resolution up to 1080i or WXGA

DUAL DIGITAL INPUTS SUPPORT

 Dual channel digital inputs support with following

combination:

 1 channel 18/16-bit inputs and 1 channel 8-bit

inputs

 1 channel 24-bit digital RGB/YCbCr inputs

 Supports both 656 and 601 video formats

 Allows connection to external HDMI receiver

BUILT-IN MICROCONTROLLER

 Built-in 8052 MCU up to 72MHz clock

 Built-in code cache memory to enhance CPU

performance.

 Supports Single/Dual/Quad IO SPI Flash with

24-bit/32-bit addressing

 System programming through UART

 Supports SPI DMA Read/Write to OSD memory

 Supports I2C Master interface with GPIO

 Supports two UART interface up to 115200bps and

8 bytes RX FIFO

 Supports IR receiver and interrupt output

 Supports 24-bit contiguous addressing mode

TW8823C

TFT PANEL SUPPORT

 Built-in both analog and digital timing controller with

programmability

 Supports optional single channel LVDS panel with

resolution up to WXGA, 80MHz

 Supports 3, 4, 6 or 8 bits per pixel up to 16.8 million

colors with built-in dithering engine

 Supports analog panel with resolution up to WQVGA

20MHz

ON SCREEN DISPLAY

 Supports three window bitmapped OSD, one 16 bits

and two 8 bits bitmap OSD

 Built-in OSD controller with Bit-Blit Engine

 Supports a variety of functions including blinking,

transparency and blending.

 Supports External OSD with external alpha blending

 Supports OSD compression

 Supports window width up to 1366

IMAGE PROCESSING

 High quality scaler with both up/down and nonlinear

scaling support

 Built-in 2D de-interlacing function

 Programmable hue, brightness, saturation, contrast

 Sharpness control with vertical peaking up to +12db

 Programmable color transient improvement control

 Programmable cropping of input video and graphics

 Independent RGB gain and offset controls

 Panorama/Water-glass scaling

 DTV hue adjustment

 Programmable 10-bit Gamma correction for each

color

 Operated in Frame Sync mode only

 Black/White Stretch

 Programmable favorite color enhancement

PIP FUNCTION

 Two independent PIPs

 Variable sub window size

 POP with alpha blending

 Supports both 16-bit YPbPr and RGB data format

 High quality up and down scaling engine for PIP

DDR-SDRAM

 Supports 16 bits 155MHz DDR-SDRAM up to 256Mb

HOST INTERFACE

 Supports 2-wire serial bus interface

 Supports 8-bits Parallel Host Interface

CLOCK GENERATION

 Frequency synthesizer with spread spectrum generate

DDR memory and display clocks

 Spread spectrum profile based on triangular

modulation with center spread

 Modulation frequency and spread width can be

selectable

POWER MANAGEMENT

 Supports Panel power sequencing

 Supports DPMS for monitor power management

 1.8/2.5V/3.3 V operation

MISCELLANEOUS

 Built-in single CCFL back light controller

 Built-in single LED back light controller

 Built-in Touch screen controller with 12-bit ADC

 Power-down mode

 Single 27MHz crystal

 216-pin LQFP package

Applications

 In-car display controller

 Portable DVD and DVRs players

 Portable media player

TW8823C

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Functional Description

RIN0, 1

GIN0,1

BIN0,1

3D-Comb

Video

Decoder

LVDS

Image

Enhance

DDR Controller

Input

Measurement

PIP2

PIP1

DTV 2

I/F

DTV 1

I/F

RGB

ADC

16-bit

OSD

MIXER

Output

Formatter

TCON

DAC

2-Wire

Serial

Bus

MCU

Main Scaler

Timing

Generator

SPI

Parallel

Host-Bus

YIN0~3

DTVCLK

DTVD[23:0]

DTVHS, VS

DTVDE

YOUT

LVDS

TCON signals

RGB out

Flat Panel Out

I2C_SDAT

I2C_SCLK

MCU Port

SPI

DDR

CIN

8-bit

OSD

FIGURE 1. TW8823C FLAT PANEL TV/MONITOR CONTROLLER FUNCTIONAL BLOCK DIAGRAM

P1-P3

TW8823AT-LC2-GE

Mfr. #:

Buy TW8823AT-LC2-GE

Manufacturer:

Renesas / Intersil

Description:

Display Drivers & Controllers Advanced LCD Cntrl

Lifecycle:

New from this manufacturer.

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TW8823AT-LC2-GE

TW8823AT-LC2-GE

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