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AK8817VQ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P44
[AK8817VQ]
MS1113-E-00 2009/08
-22-
(a-2-2) at Square Pixel Rate input case
(a-2-2-1) NTSC
CLKIN
(24.5454MHz)
D[7:0]
Cb0 Y0 Cr0 Y1 Cb1
Cr319 Y639
HDI
640 x 2 Clock
Active Video Area
(0x80) (0x10)(0x80) (0x10)(0x80) (0x10) (0x10)
H0
1559 0 TBD 236 237 238 239 240 151615151514
* ) when D [7:0], HDI and CLKIN are in same phase relation as a timing example above, the AK8817VQ 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
CLKIN
(29.5MHz)
D[7:0]
Cb0 Y0 Cr0 Y1 Cb1 Cr383 Y767
HDI
768 x 2 Clock
Active Video Area
(0x80)
(0x10)
(0x80) (0x10)(0x80) (0x10) (0x10)
H0
1887 0
TBD 310 311 312 313 314 1844 1845 1846
* ) when D [7:0], HDI and CLKIN are in same phase relation as a timing example above, the AK8817VQ 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.
[AK8817VQ]
MS1113-E-00 2009/08
-23-
( a-3 ) HDI and VDI relation in each Frame
( a-3-1 ) NTSC ( Frame ) 525 Line 480 active lines
The First Field ( ODD )
HDI
VDI
4 5 6 7 22 233 1 525 2 261 262 263 264
240 lines
263 lines
* )VDI negative-going should be fed during the time from
3 clocks prior to negative-going of HDI at L4 till 3 clocks prior to positive-going of HDI.
VDI positive-going can occurs at arbitrary location, but keep VDI low for 3 line duration time as a rough idea.
The Second Field ( EVEN )
HDI
VDI
267 268 269 270 285 286266264 263 265 524 525 1 2
240 lines
High
262 lines
* ) VDI negative-going is not required for the Second Field. It is required for the First Field only ( VDI fed during the Second Field is ignored ).
[AK8817VQ]
MS1113-E-00 2009/08
-24-
( a-3-2 ) PAL ( Frame ) 625 Line 576 active lines
The First Field ( ODD )
HDI
VDI
4 5 22 23 243 1 625 2 310 311 312 313
288lines
313lines
314
* ) VDI negative-going should be fed during the time from
3 clocks prior to negative-going of HDI at L1 till 3 clocks prior to positive-going of HDI.
VDI positive-going can occur at arbitrary location, but as a rough idea, keep VDI low for 2.5, or 2 or 3 line- duration time.
Data fed at Line 23 is not output on Video output
The Second Field (EVEN)
HDI
VDI
317 318 335 336 337316314 313 315 623 624 625 1
288lines
313lines
2
High
*) VDI negative-going is not required for the Second Field. It is required for the First Field only ( VDI fed during the Second Field is ignored ).
Data fed at Line 623 is not output.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P44

AK8817VQ

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IC VIDEO ENCODER 48LQFP
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