22051AKHC Ver la hoja de datos (PDF) - Fairchild Semiconductor

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componentes Descripción

Fabricante

22051AKHC

Multistandard Digital Video Decoder Three-Line Adaptive Comb Decoder Family, 8 & 10 bit

Fairchild Semiconductor 

TMC22x5yA

PRODUCT SPECIFICATION

Control Register Definitions (continued)

Chroma Processor Control (03)

7

6

5

BLFS

4

CCEN

3

2

CCOR

1

GAUBY

Reg Bit

03 7-5

Name

BLFS

Description

Burst loop filter select.

BLFS fS (Mpps)

Recommended Criteria

000 13.5

PAL, Line-Locked YC

000 15

PAL, Line-Locked YC

001 12.27 NTSC, Line-Locked YC

001 13.5

PAL, Line-Locked Composite

010 13.5

NTSC, Line-Locked YC

010 15

PAL, Line-Locked Composite

011 14.32 NTSC, Subcarrier-Locked YC

011 17.73 PAL, Subcarrier-Locked Composite

100 17.73 PAL, Subcarrier-Locked YC

101 13.5

NTSC, Line-Locked Composite

110 12.27 NTSC, Line-Locked Composite

111 14.32 NTSC, Subcarrier-Locked Composite

0

GAUSEL

03

4

CCEN

03

3-2

CCOR

Chroma coring enable. Enables Chroma Coring when HIGH.

Chroma coring threshold. Sets the Chroma Coring threshold.

CCOR

00 1 lsb

01 2 lsb

10 3 lsb

11 4 lsb

Function

03

1

03

0

GAUBY

GAUSEL

Gaussian filter bypass. The chroma data bypasses the Gaussian LPF when

HIGH.

Gaussian LPF select. Selects the Gaussian filter response to be used on the

demodulated chrominance.

GAUSEL

Function

0

Select Gaussian LPF resp. 2

1

Select Gaussian LPF resp. 1

See Figure 22 for filter responses.

14

REV. 1.0.0 2/4/03

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