SAA4993H Datasheet, PDF(14/40 Page) NXP Semiconductors – Field and line rate converter with noise reduction

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SAA4993H Datasheet, PDF (14/40 Pages) NXP Semiconductors – Field and line rate converter with noise reduction

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8 CONTROL REGISTER DESCRIPTION

NAME

DNR/peaking/colour

Kstep10

Kstep0

Kstep1

Kstep32

Kstep2

Kstep3

Kstep54

Kstep4

Kstep5

Kstep76

Kstep6

Kstep7

Gain_ï¬x_y

FixvalY

GainY

FixY

Gain_ï¬x_uv

FixvalUV

GainUV

FixUV

Peak_Vcomp

VecComp

PeakCoef

SNERT

ADDRESS

(HEX)

READ/

WRITE(1)

7

6

5

4

3

2

1

0

DESCRIPTION(2)

010

write; S

X X X X set LUT value: k = 1â16 if difference below (0 to 15)

XXXX

set LUT value: k = 1â8 if difference below (0 to 15)

011

write; S

X X X X set LUT value: k = 2â8 if difference below (0 to 30 in multiples of 2)

XXXX

set LUT value: k = 3â8 if difference below (0 to 30 in multiples of 2)

012

write; S

X X X X set LUT value: k = 4â8 if difference below (0 to 60 in multiples of 4)

XXXX

set LUT value: k = 5â8 if difference below (0 to 60 in multiples of 4)

013

write; S

X X X X set LUT value: k = 6â8 if difference below (0, 8, 16, 24, 32, 40, 48, 56,

64, 72, 80, 88, 96, 104, 112 or 120)

XXXX

set LUT value: k = 7â8 if difference below (0, 8, 16, 24, 32, 40, 48, 56,

64, 72, 80, 88, 96, 104, 112 or 120)

014

write; S

X X X X set ï¬xed Y value; used when FixY = 1 or in left part of split screen

(0, 1â16 to 14â16 or 16â16)

XXX

set gain in difference signal for adaptive DNR Y (1â8, 1â4, 1â2, 1, 2 or 4)

X

select ï¬xed Y (adaptive or ï¬xed) (full screen)

015

write; S

X X X X set ï¬xed UV value; used when FixUV = 1 or in left part of split screen

(0, 1â16 to 14â16 or 16â16)

XXX

set gain in difference signal for adaptive DNR UV (1â8, 1â4, 1â2, 1, 2 or 4)

X

select ï¬xed UV (adaptive or ï¬xed) (full screen)

016

write; S

XXXX

X X X set degree of horizontal vector compensation in Y DNR:

(0, 1â8, 2â8, 3â8, 4â8, 5â8, 6â8 or 7â8) of the vector

set vertical peaking level: (0, +2, +3.5, +5, +6, x, x, x, x, x, x, x, x,

â12, â6 or â2.5) dB

▷