saa4998h NXP Semiconductors, saa4998h Datasheet - Page 13

• Manufacturer Part Number: saa4998h
• Description: Field And Line Rate Converter With Noise Reduction And Embedded Memory
• Manufacturer: NXP Semiconductors

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Peak_Vcomp
DNR_Colour_mode
Vertical zoom
Zoom1
Zoom2
Zoom3
VecComp
NoiseShape
PeakCoef
ColourIn
ColourOut
NrofFMs
ColOvl
SlaveUVtoY
DnrSplit
DnrHpon
ZoomSt98
ZoomPo98
ZoomSt70
ZoomPo70
NAME
016
017
018
019
01A
ADDRESS
SNERT
(HEX)
write; S
write; S
write; F
write; F
write; F
WRITE
READ/
(1)
X X X X
X
X X X X X X X X zoom line step bits 7 to 0 (see above)
X X X X X X X X zoom start position bits 7 to 0 (see above)
7 6 5 4 3 2 1 0
X
X
X X
X
X
X
X X X set degree of horizontal vector compensation in Y DNR:
X
X X select colour input format: (4 : 1 : 1, 4 : 2 : 2, 4 : 2 : 2 DPCM or
X X zoom line step bits 9 and 8; line step = vertical distance between
(0,
noise shaping enable; this bit is set to logic 1 after reset or power-up
set vertical peaking level: (0, +2, +3.5, +5, +6, x, x, x, x, x, x, x, x,
4 : 2 : 2)
select colour output format: (4 : 1 : 1 or 4 : 2 : 2)
set number of field memories used for motion compensation: (1 or 2)
select vector overlay on colour output: (vector overlay or colour
from video path)
slave UV noise reduction to K factor of Y: (separate or slaved)
select split screen mode for DNR: (normal or split screen)
switch DNR high-pass on (DNR only active on low frequent spectrum:
(all through DNR or high bypassed)
successive output lines; usable range = 0 to 2 frame lines;
resolution
zoom start position bits 9 and 8; start position = vertical position of the
top display line; usable range = 1 to 3 frame lines; resolution
frame line
12, 6 or 2.5) dB
1
8
,
2
8
,
3
1
8
256
,
4
8
frame line
,
5
8
,
6
8
or
DESCRIPTION
7
8
) of the vector
(2)
1
256