tw6816 Intersil Corporation, tw6816 Datasheet

tw6816

Manufacturer Part Number

tw6816

Description

4-ch Audio/video Decoders With 66mhz Pci Interface

Manufacturer

Intersil Corporation

Datasheet

1.TW6816.pdf (2 pages)

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Meier Automation Equipment Co., Limited

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TW6816

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Meier Automation Equipment Co., Limited

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tw6816-LA1-GR

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PCI Based DVR IC Solutions

The TW6816 is a highly integrated single-chip solution that supports multi-channel real time video and audio

capture via PCI interface for PC DVR applications. It contains four high quality NTSC/PAL/SECAM video decoder

that converts analog composite video signal to digital component YCbCr data, and utilizes an adaptive 4H comb

filter for separating luminance and chrominance to reduce cross noise artifacts. TW6816 contains a high

performance proprietary DMA controller that fully utilizes the PCI bandwidth, enabling it to transfer video and

audio data at optimal throughput rate.

TW6816 has the versatility to support a wide variety of video applications, including decoding and transferring 4

channel real-time D1 video, or 16 channel non real-time D1 video, and supporting multiple video display formats

such as D1, half D1 and CIF.

Target Application

Video Decoder

PCI

Video Scaler

PCI DVR Card

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

combination), PAL (60), SECAM support with

automatic format detection

Software selectable analog inputs allows any of

4 CVBS per one video ADC

Four 10-bit ADCs and analog clamping circuit

for CVBS input

Fully programmable static gain or automatic

gain control for the Y channel

Programmable white peak control for CVBS

channel

4-H adaptive comb filter Y/C separation

PAL delay line for color phase error correction

Image enhancement with 2D peaking and CTI

66MHz/33MHz PCI with M66EN interface

PCI Rev. 2.2-3.0 compliant

ACPI support

Integrated Video/Audio DMA controller

Support both selectable one real-time video and

4x switching non real-time video

High

arbitrary scale down ratio

Phase accuracy better than 1/32 pixel

Selectable anti-alias filter

quality horizontal filtered

scaling

www.techwellinc.com

with

TW6816 Typical System Solution Diagram

Audio Capture

Digital

decoding

Digital

processing and pixel sampling

Advanced synchronization processing and sync

detection for handling non-standard and weak

signal

Programmable

contrast, sharpness, Gamma control, and noise

suppression

Automatic color control and color killer

Detection of level of copy protection according to

Macrovision standard

Programmable output cropping

Four 10-bit ADC for analog audio digitizing.

Programmable Sampling rate.

sub-carrier

Horizontal

hue,

PLL

4-CH Audio/Video Decoders

TW6816

brightness,

with 66MHz PCI Interface

for

accurate

synchronization

saturation,

color

Related parts for tw6816

tw6816 Summary of contents

Page 1

... DMA controller that fully utilizes the PCI bandwidth, enabling it to transfer video and audio data at optimal throughput rate. TW6816 has the versatility to support a wide variety of video applications, including decoding and transferring 4 channel real-time D1 video channel non real-time D1 video, and supporting multiple video display formats such as D1, half D1 and CIF ...

Page 2

... TW6816 Block Diagram VIN1D VIN1C 10-Bit AGC ADC VIN1B VIN1A VIN2D VIN2C 10-Bit AGC ADC VIN2B VIN2A VIN3D VIN3C 10-Bit AGC ADC VIN3B VIN3A VIN4D VIN4C 10-Bit AGC ADC VIN4B VIN4A Gain 10-Bit AIN1 Control ADC Gain 10-Bit AIN2 Control ADC ...

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