HMP8116 Datasheet, PDF(24/43 Page) Intersil Corporation

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HMP8116 Datasheet, PDF (24/43 Pages) Intersil Corporation – NTSC/PAL Video Decoder

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HMP8116

TABLE 10. PRODUCT ID REGISTER

BIT

NO.

FUNCTION

SUB ADDRESS = 00H

DESCRIPTION

RESET

STATE

7-0

Product ID

This 8-bit register specifies the last two digits of the product number.

16H

It is a read-only register. Data written to it is ignored.

TABLE 11. INPUT FORMAT REGISTER

BIT

NO.

FUNCTION

SUB ADDRESS = 01H

DESCRIPTION

RESET STATE

Reserved

6-5

Video Timing Standard These bits are read only unless D4 = â0â.

00B

00 = (M) NTSC

01 = (B, D, G, H, I, N) PAL

10 = (M) PAL

11 = Combination (N) PAL; also called (NC) PAL

Auto Detect

0 = Manual selection of video timing standard

Video Standard

1 = Auto detect of video timing standard

Setup Select

Typically, this bit should be a â1â during (M) NTSC and (M, N) PAL

operation. Otherwise, it should be a â0â.

0 = Video source has a 0 IRE blanking pedestal

1 = Video source has a 7.5 IRE blanking pedestal

2-1

Reserved

Adaptive Sync

Slice Enable

00B

This bit specifies whether to use fixed or adaptive sync slicing. Adap-

tive sync slicing automatically determines the mid-point of the sync

amplitude to determine timing.

0 = Fixed sync slicing

1 = Adaptive sync slicing

TABLE 12. OUTPUT FORMAT REGISTER

BIT

NO.

FUNCTION

SUB ADDRESS = 02H

DESCRIPTION

RESET STATE

7-5

Output

Color

Format

000 = 16-bit 4:2:2 YCbCr

001 = 8-bit 4:2:2 YCbCr

010 = 8-bit BT.656

011 = 15-bit RGB

100 = 16-bit RGB

101 = reserved

110 = reserved

111 = reserved

000B

4-3

RGB

Gamma

Select

These bits are ignored except during RGB output modes.

00B

00 = Linear RGB (gamma of input source = 2.2)

01 = Linear RGB (gamma of input source = 2.8)

10 = Gamma-corrected RGB (gamma = gamma of input source)

11 = reserved

2-1

Output

00 = Normal operation

00B

Color

01 = Output blue field

Select

10 = Output black field

11 = Output 75% color bars

Vertical Pixel

Siting

This bit specifies whether or not the chrominance pixels have a half-

line pixel offset from their associated luminance pixels.

0 = Half-line offset

1 = Aligned

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