W9950P Winbond, W9950P Datasheet

W9950P

Manufacturer Part Number

W9950P

Description

Manufacturer

Winbond

Datasheet

1.W9950P.pdf (1 pages)

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Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

W9950P

Manufacturer:

WINBOND/华邦

Quantity:

20 000

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GENERAL DESCRIPTION

The W9950P digital video encoder converts digital

R,G,B 24-bit data and YCrCb (4:2:2) 16-bit data into

analog composite video and Y/C video signals. The

video format is 525-line (M) NTSC or

(B,D,G, H,I) PAL.

The W9950P can operate in master or slave mode.

In master mode, the W9950P internally generates

the required video timing signals HSYNC and

VSYNC and

specified NTSC/PAL video standard. In slave mode,

it accepts HSYNC and VSYNC input signals to

synchronize with an external video source.

The input data are converted into luminance and

chrominance components. Gamma correction can

be selected by the Gamma pin in RGB 24-bit mode.

The chroma data are then low passed by a 1.3 MHz

filter and modulated by a color subcarrier.

The Y signal consists of luminance, sync, and blank

signals. It is converted by an 8-bit D/A converter into

an analog Y signal. The C signal consists of color

burst and modulated color information. It is

converted by an 8 bit D/A converter into an analog C

signal. The analog Y and C signal outputs are

available for interfacing to S-video input machines.

There are two analog composite outputs. This allows

one output to provide baseband composite video

and the other output to drive an RF modulator

simultaneously.

The W9950P may be placed in power-down mode by

selecting the SLEEP pin.

The W9950P

applications such as video CD,and Video games.

Since

programming, the PC board wire routing is very

simple.

FEATURES

Winbond Corporate Headquarters

Tel : 886-3-5790666

Fax : 886-3-5796139

Details are subject to change without notice. All trademarks are property of their respective holders.

Monolithic CMOS process

Two composite outputs

Y/C video output (S video)

internal

a FIELD signal according to the

is designed

registers

Taipei Sales Office

Tel : 886-2-27190505

Fax : 886-2-27197502

for

require

digital

625-line

video

CPU

Winbond Electronics North America Corp.

Tel : 1-408-943666

Fax : 1-408-9436668

/YCbCr

RGB

CLK

Power-down mode

Optional Gamma correction

CCIR601 or square pixel input data rates

Master/slave sync signal switchable

Interlaced and non-interlaced operation

Optional internal voltage reference

Internal digital oscillator (no crystal required)

Decoder

MPEG

Slave

Fig 1. W9950P Functional Block

Generator

V/ H SYNC

Timming

Color Space

Correction

Converter

Video

GAMMA

Fig 2. W9950P Application

RGB, YCbCr

Field

CLK

Blank

Sync

Filter

Low

Pass

V.Sync

H.Sync

TV ENCODER

Winbond Electronics H.K. Ltd.

Tel : 852-27513100

Fax : 852-27552064

BandgapVoltage

Reference

Modulator

W9950P

Encoder

Master

W9950P

Apr. 1997

DAC

CVBS

S-video

Composite

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