ASAHI KASEI
[AK8817/18]
(a-2-2) at Square Pixel Rate input case
(a-2-2-1) NTSC
1559
0
TBD
236
237
238
Cr0
239
240
1514 1515 1516
CLKIN
(24.5454MHz)
(0x10) (0x80) (0x10) (0x80) (0x10)
H0
(0x80) (0x10)
Cr319 Y639
Cb0 Y0
Y1 Cb1
D[7:0]
HDI
Active Video Area
640 x 2 Clock
* ) when D [7:0], HDI and CLKIN are in same phase relation as a timing example above, the AK8817/18 takes input data at
the falling edge of each CLKIN if CLKINV = 1.
* ) as an input data other than during active video period, Black level ( C / Y = 0x80 / 0x10 ) or other than 0x00 / 0xFF
codes in non Hi-Z state should be input.
(a-2-2-2) PAL
1887
0
TBD
310
311
Y0
312
Cr0
313
314
1844 1845 1846
CLKIN
(29.5MHz)
(0x10) (0x80) (0x10) (0x80) (0x10)
H0
(0x80)
(0x10)
Cb0
Y1 Cb1
Cr383 Y767
D[7:0]
HDI
Active Video Area
768 x 2 Clock
* ) when D [7:0], HDI and CLKIN are in same phase relation as a timing example above, the AK8817/18 takes input data at
the falling edge of each CLKIN if CLKINV-bit = 1. .(CLKINV = 1.)
* ) as an input data other than during active video period, Black level ( C / Y = 0x80 / 0x10 ) or other than 0x00 / 0xFF
codes in non Hi-Z state should be input.
Rev.001E
26
2009 / 12
AKM [ ASAHI KASEI MICROSYSTEMS ]
