SAA4992H Datasheet, PDF (15/36 Pages) NXP Semiconductors – Field and line rate converter with noise reduction

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NAME
DNR_Colour_mode
ColourIn
ColourOut
NrofFMs
ColOvl
SlaveUVtoY
DnrSplit
DnrHpon
Vertical zoom
Zoom1
ZoomSt98
ZoomPo98
Zoom2
ZoomSt70
Zoom3
ZoomPo70
Zoom4
ZoomEnVal
ZoomDiVal
SNERT
ADDRESS
HEX
READ/
WRITE⁽¹⁾
7
6
5
4
3
2
1
0
DESCRIPTION⁽²⁾
017
write; S
X X select colour input format: (4 : 1 : 1, 4 : 2 : 2, 4 : 2 : 2 DPCM or
4 : 2 : 2)
X
select colour output format: (4 : 1 : 1 or 4 : 2 : 2)
X
set number of field memories connected: (1 or 2/3)
X
select vector overlay on colour output: (vector overlay or colour
from video path)
X
slave UV noise reduction to K factor of Y: (separate or slaved)
X
select split screen mode for DNR: (normal or split screen)
X
switch DNR high-pass on (DNR only active on low frequent spectrum:
(all through DNR or high bypassed)
018
write; F
X X zoom line step bits 9 and 8; line step = vertical distance between
successive output lines; usable range = 0 to 2 frame lines;
resolution ¹â„₂₅₆ frame line
XX
zoom start position bits 9 and 8; start position = vertical position of the
top display line; usable range = 1 to 3 frame lines; resolution ¹â„₂₅₆
frame line
019
write; F
X X X X X X X X zoom line step bits 7 to 0 (see above)
01A
write; F
X X X X X X X X zoom start position bits 7 to 0 (see above)
01B
write; F
X X X X zoom run in value = number of lines without zoom active
(0 to 15 lines)
XXXX
zoom run out value = number of lines without zoom active
(−8 to +7 lines)