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AK8855 Datasheet, PDF (47/81 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder
[ASAHI KASEI]
Timing Chart (HD/VD/DVALID mode)
CIF(NTSC)
Register Set: VLF = 1’b0, OFORM[2:0] = 3’b010, OIF[1:0] = 2’b10
AK8855
HD H
VD H
DVALID H
CLKO
(27.0MHz)
D[7:0]
0x80 0x10
128 clock @CLKO
130 clock @CLKO
0x80 0x10 0x80 0x10 Cb0 Y0 Cr0 Y1 Cb1 Y2 Cr1 Y3 Cb2 Y4
HD H
VD H
DVALID H
CLKO
(27.0MHz)
D[7:0] 0x80 0x10 Cb0 Y0 Cr0 Y1
Cb174 Y348 Cr174 Y349 Cb175 Y350 Cr175 Y351 0x80 0x10
704 clock @CLKO
24 clock* @CLKO
*This value is not guaranteed.
Just reference value.
0x80 0x10
In case of NTSC and CIF output mode, 2 Lines are output while the 1 line input. HD/VD signal are also output doubled rate.
MS0319-E-03
47
2004 / 11