Datasheet > CVE4

CVE4

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
卓然 - ZORAN		编码器
页数	文件大小	规格书
2页	227K
描述
Progressive Out Video Encoder

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CVE4 数据手册

Driving the Digital Lifestyle

CVE4

DVD

Digital Camera

Digital TV

Imaging

IP Cores

Progressive Out Video Encoder

Zoran Corporation

1390 Kifer Road

Sunnyvale, CA 94086-5305

Te l 408.523.6500

Fax 408.523.6501

www.zoran.com

Product Brief

Description

Zoran's CVE4 Progressive Out Video Encoder is a silicon-efficient,

high-quality Intellectual Property Core for video IC designs requiring

the progressive scan TV output function. The CVE4 encodes YCrCb,

4:2:2 digital video into the 480p and 576p standards. All NTSC, PAL, or

SECAM TV standards for interlaced output are also supported. CVE4

supports vertical blanking interval (VBI) encoding, including closed cap-

tion, teletext, WSS and CGMS-A encoding. CVE4 also includes sup-

port for Macrovision 7.1.L1, the copy protection scheme used in DVD

players and set-top boxes. Six separate output busses for Y,

Composite, Chroma, and RGB provides for flexibility in connection and

multiplexing to DACs.

Proven in silicon and shipping in the millions, the CVE4 progressive

out video encoder greatly reduces the risk and time involved when

integrating the progressive out video encoding function into an IC.

When combined with Zoran's Frame-It-1 Video Deinterlacer, CVE4 pro-

vides an industry recognized standard for quality progressive scan out-

put. CVE4 is incorporated into Zoran's own Vaddis DVD playback ICs.

Features

• 480p and 576p progressive output supported

• Encodes 4:2:2 YCrCb into all variations of NTSC, PAL or SECAM

TV standards for interlaced output

• Simultaneous output of composite video, S-video and component

video supported

• 47-tap luma filter

• Outputs 10-bit data to DACs

• Vertical Blanking Interval (VBI) encoding support

• Closed caption, teletext, WSS & CGMS Encoding

• Uniform 54 MHz clock; fully synchronous design

• 4x oversampling of luminance and chrominance filter for interlace

mode

• Dual chroma paths for optimal output of both composite video and

S-Video component video

• CCIR 601, 604 and 656 and SMTPE 253 standards supported

• Macrovision 7.1.L1 copy protection

• 2x oversampling for progressive scan mode

• Process technology independent "softcore"

Integrated Circuit Applications

• PC video

• Digital TV

• Set top box decoders

• Any system requiring progressive TV output

Deliverables

• Compilable Verilog source code

• Bit accurate, cycle accurate C model

• Synopsis synthesis scripts

• Test input files

• Documentation

CVE4 Progressive Out Video Encoder Block Diagram

tt_req tt_data

Add VBI Pulse

Noise reduction

Y 2x 45 tap

Upsampling Filter

Y 2x 15 tap

Upsampling Filter

Add Sync Setup

(WSS/Closed

Y D/A

and edge

enhancement

Caption/Teletext)

Cb 4x

Cb 2x

Composite D/A

Cr, Cb

Upsampling Filter

Chroma Modulation

and Burst

Generation

C D/A

Cr 4x

Upsampling Filter

Cr 2x

Upsampling Filter

Hblank

vblank

SECAM Chroma

Modulation

Interlaced and

Progressive

Timing Generator

and Macrovision

Control

clk54

R/Pr

G/Y

YUV to RGB

data_write

data_read

r/w control

B/Pb

7/16/04-TS

CVE4-PB-1.0

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