AK8857VQ Datasheet, PDF (58/105 Pages) Asahi Kasei Microsystems – Dual Channel Digital Video Decoder

[AK8857VQ]
○C443FIL[1:0]: Settings for C filter bandwidth, for input signal with 4.43 MHz subcarrier wave
C443FIL[1:0] -bit
C filter bandwidth setting
Notes
[00]
Narrow
[01]
Medium
PAL-B,D,G,H,I,N , NTSC-4.43 , PAL-60
[10]
Wide
[11]
Reserved
Note. No bandwidth selection is possible for SECAM input.
UV filter
The UV bandwidth can be changed by switch between low pass filters types for the demodulated C
signal.
ç ○UVFILSEL-bit : Settings for UV filter switching (CVBS or S-video input)
UVFILSEL–bit
Bandwidth
[0]
Wide
[1]
Narrow
Notes
Digital Pixel Interpolator
The digital pixel interpolator of the AK8857 aligns vertical pixel positions and it also aligns horizontal
pixel position in fixed-clock operating modes.
○INTPOLOFF-bit : Settings for pixel interpolator operation
INTPOLOFF-bit
Interpolator operation
[0]
ON
[1]
OFF
Notes
MS1189-E-01
-58-
2010/12