CS4954 datasheet(37/56 Pages) CIRRUS

номер детали	CS4954

подробное описание детали	NTSC/PAL Digital Video Encoder

PDF	56 Pages

Scroll/Zoom	100%

производитель	CIRRUS [Cirrus Logic]

домашняя страница	http://www.cirrus.com

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CS4954 CS4955

DS278PP4

Control Register 2

Address

×02

CONTROL_2

Read/Write

Default Value = 00h

Bit Number

765432

Bit Name

OUTPUT FORMAT

TTX WST

TTX EN

SYNC_DLY

XTAL

SC_EN

Default

000000

Bit

Mnemonic

Function

7:5

OUTPUT FORMAT

selects the output through the DACs

000 :

rgb, s-video, composite1 (6 DACs) (default)

001 :

yuv, s-video, composite1 (6 DACs)

010 :

s-video, composite1, composite2, (4 DACs)

011 :

rgb, composite1, composite2 (5 DACs)

100 :

yuv, composite1, composite2 (5 DACs)

101-111:

don’t care

TTX WST

To select between world standard (NTSC), world standard (PAL), or north

american teletext standard during NTSC or PAL modes (1 = WST TTX) (default

is 0)

In NTSC-M or PAL-M mode. This bit works in conjunction with the TV FORMAT

NABTS, if TV FORMAT is NTSC or PAL-M

WST (NTSC), if TV FORMAT is NTSC or PAL-M

Europe TTX, if TV FORMAT is PAL-B, G..., N

WST (PAL), if TV FORMAT is PAL-B, G, ..., N

TTX EN

Enable teletext process (1 = enable)

SYNC DLY

Slave mode 1 pixel sync delay (1 = enable)

1XTAL

Crystal oscillator for subcarrier adjustment enable (1 = enable)

0BU DIS

Chroma burst disable (1 = disable)

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