AK8856VN Datasheet, PDF (30/98 Pages) Asahi Kasei Microsystems – NTSC/PAL Video Decoder

ASAHI KASEI
[AK8856VN]
Input Video Decoding Period
The number of lines used for video decoding varies according to the output mode. Refer to the figure on thr next
page which shows “Input Video Signal vs. Output Data relationship”.
Active Video Period:
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:
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
The default value for the output during the Vertical Blanking period is Black level (Y = 0x10, Cb/Cr = 0x80)
MS0522-E-00
30
2006/Dec