saa4998h NXP Semiconductors, saa4998h Datasheet - Page 17

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

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TotalPxDiv8
REaShift
WEbdREceShift
POR
ScalingFactor
FieldMemoryControl
WEbdShift
REceShift
PIPON
TWOFMON
PIPDataDelay
PIPStillPicture
NAME
022
023
024
025
0D6
000
ADDRESS
SNERT
(HEX)
write; S
write; S
write; S
write; S
write; S
write; F
WRITE
READ/
(1)
X X X X X X X X Total number of pixels per line divided-by-8 (80 to 128, corresponds to
X X X X X X X X 8-bit scaling factor for EggSliceMix, EggSliceRgt and global activity
7 6 5 4 3 2 1 0
X X X
X
X X X shift of REA signal in number of pixels (0, +1, +2, +3, 4, 3, 2 or 1)
X X X reserved
X
0
X power-on reset command, to be set high temporarily during start-up
X Picture-In-Picture (PIP) field memory mode enable
640 to 1024 pixels). The horizontal blanking interval is calculated as
TotalPxDiv8
(corresponds to 96 to 992 pixels). Conclusion: TotalPxDiv8 has to be
set to 12 + 2
has to be set to
reserved
(normal or reset); note 3
(the same factor for all registers).
has to be set to logic 0
input data will be delayed by one clock cycle with respect to WE2
(write enable)
no new data will be written into the field memory
output value (n+1)
2
NrBlks < TotalPxDiv8 < 124 + 2
TotalPxDiv8 124
----------------------------------------------- -
NrBlks and has to be in the range from 12 to 124
=
ScalingFactor
----------------------------------- -
2
DESCRIPTION
128
–
NrBlks
output value (n)
(2)
TotalPxDiv8 12
-------------------------------------------- -
NrBlks and NrBlks
2
–