AK8817_09 Datasheet, PDF (26/50 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
(a-2-2) at Square Pixel Rate input case
(a-2-2-1) NTSC
1559 0
TBD
236 237 238 239 240
CLKIN
(24.5454MHz)
D[7:0]
(0x10) (0x80) (0x10) (0x80) (0x10) Cb0 Y0 Cr0 Y1 Cb1
H0
HDI
Active Video Area
640 x 2 Clock
[AK8817/18]
1514 1515 1516
Cr319 Y639 (0x80) (0x10)
* ) 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
310 311 312 313 314
CLKIN
(29.5MHz)
D[7:0]
(0x10) (0x80) (0x10) (0x80) (0x10) _{Cb0 Y0 Cr0 Y1 Cb1}
H0
HDI
Active Video Area
768 x 2 Clock
1844 1845 1846
Cr383 Y767 (0x80) (0x10)
* ) 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