SDA9280 datasheet(24/43 Pages) SIEMENS

部件名	SDA9280

功能描述	ICs for Consumer Electronics

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制造商	SIEMENS [Siemens Semiconductor Group]

网页	http://www.siemens.com/

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SDA 9280 B22

Semiconductor Group

24

1998-02-01

2.12.4 Detailed Description

Subaddress 00H: Interpolation Mode and Input Format

Bit

Name

Function

D0

INT444

4:4:4 Interpolation filtering:

0:

interpolation 4:2:2 –> 4:4:4 OFF

1:

interpolation 4:2:2 –> 4:4:4 ON

D1

INT422

4:2:2 Interpolation filtering:

0:

interpolation 4:1:1 –> 4:2:2 OFF

1:

interpolation 4:1:1 –> 4:2:2 ON

D2

INCODC

Coding of chrominance input data:

0:

positive dual code

1:

2’s complement

D3

INCODL

Coding of luminance input data:

0:

positive dual code

1:

2’s complement

D5, D4

INFOR

Input data format:

00:

CCIR 656

01:

4:1:1luminance, chrominance parallel (8 + 4 wires)

10:

4:2:2luminance, chrominance parallel (2 x 8 wires)

11:

4:4:4all components parallel (3 x 8 wires)

D6

No function assigned. Assign binary value: 0

D7

INSNEG

Polarity of INS input signal:

0:

positive polarity

1:

negative polarity

Subaddress 01H: Digital Color Transition Improvement Control

Bit

Name

Function

D3 ... D0

TRAWID

DCTI:

maximal length of an improved transition:

0000:

DCTI OFF

0001:

2 pixel

:

1100:

24 pixel

D7 ... D4

THRESH

DCTI:

sensitivity threshold:

0000:

lowest threshold (highest sensitivity)

:

1111:

highest threshold (lowest sensitivity)

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