AK8817 Datasheet, PDF (24/43 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
[AK8817]
( b-1 ) ITU-R BT.656 Interface mode
The AK8817 makes a synchronization with an incoming signal by decoding EAV in the signal when ITU-R BT.656
encoded signal is input.
EAV code is located at the following position in the Video stream ( this mode of operation is not supported in the Square
Pixel clock operation ).
EAV
Y/Cb/Cr Cb Y Cr Y Cb Y Cr Y
Data#
525 system
360
720
360
721
361
722
361
723
Data#
625 system
360
720
360
721
361
722
361
723
Cb Y Cr
368 736 368
366 732 366
SAV
Y Cb Y Cr Y Cb Y Cr Y Cb
855 428 856 428 857 0 0 0 1 1
861 431 862 431 863 0 0 0 1 1
CLKIN
33 / 25T (525 / 625)
276/ 288T (525 / 625)
243 / 263T(525 / 625)
HDI
MS0413-E-00
24
2005 / Aug