ASAHI KASEI
[AK8817/18]
( b-1 ) ITU-R BT.656 Interface mode
The AK8817/18 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
Cr
SAV
Cr
Y/Cb/Cr Cb
Data#
Y
Y
Cb
Y
Cr
Y
Cb
Y
Cr
Y
Cb
Y
Y
Cb
0
Y
0
Cr
0
Y
1
Cb
1
360 720 360 721 361 722 361 723
360 720 360 721 361 722 361 723
368 736 368
366 732 366
855 428 856 428 857
861 431 862 431 863
525 system
Data#
625 system
0
0
0
1
1
CLKIN
HDI
33 / 25T (525 / 625)
243 / 263T (525 / 625)
276/ 288T (525 / 625)
Rev.001E
29
2009 / 12
AKM [ ASAHI KASEI MICROSYSTEMS ]
