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AK8855 Datasheet, PDF (24/81 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder
[ASAHI KASEI]
Input Video Decoding Period
This defines Decoding process period of input Video signal.
The period defined here is for the input Video source.
As for the decode data, a number of Lines differs, depending on the selected output mode.
Refer to a figure at next page which shows “ Input Video Signal vs Output Data relation ”.
Active Video Period is as follows.
525 Line system : Line 22 ~ Line 261 & Line 285 ~ Line 524
625 Line system : Line 23 ~ Line 310 & Line 336 ~ Line 623
Vertical Blanking Period is as follows .
525 Line system : Line 525 ~ Line 1 ~ Line 21 & Line 262 ~ Line 284
625 Line system : Line 624 ~ Line 625 – Line1 ~ Line 22 & Line 311 ~ Line 335
Default value of output during Vertical Blanking period is Black level ( Y = 0x10, Cb / Cr = 0x80 ).
AK8855
MS0319-E-03
24
2004 / 11