參數(shù)資料
型號： AK8812
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： NTSC/PAL Digital Video Encoder
中文描述： NTSC / PAL數(shù)字視頻編碼器
文件頁數(shù)： 22/36頁
文件大?。?/td> 377K
代理商： AK8812
ASAHI KASEI
[AK8811/12]
Rev.1.1 2000/01
22
AK8811/12 Interface Timing (Part 2) Slave mode
On slave mode operation, HSYNC and FID or VSYNC (Selected by register) are input to
AK8811/12.
AK8811/12 monitors the transition of HSYNC at the timing of the rising edge of SYSCLK.
(Refer to AC Characteristic 2-1.
[Input Synchronizing Signal])
After AK8811/12 recognizes
HSYNC is Low-logic, AK8811/12 sets the slot number to the 32nd/24th(NTSC/PAL),
internally, then AK8811/12 starts to sample the data as Cb on 276th/288th(NTSC/PAL) slot.
Video field is recognized the transition timing between FID/VSYNC and HSYNC. (Fig.10.
Video Field) As in the figure, there is a toreralnce of
±
1/4H.
1/2 H
1 H
1/2 H
1/2 H
1/2 H
FID/VSYNC
HSYNC
FID/VSYNC
ODD Field
Start
EVEN Field
Start
Fig. 9. Interfacing timing (Slave mode)
Fig. 10. Video Field
276
(288)
Cb
Cr
Y
Y
27MHz SYSCLK
HSYNC
ITU-R. BT601(656)
NTSC(PAL)
32
(24)
T=1/27MHz
* Uncertainty of 1T occurs
according to the Reset
timing.
244T
(264T)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK8813 制造商:AKM 制造商全稱:AKM 功能描述:NTSC/PAL Digital Video Encoder
AK8813/14VGP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:NTSC/PAL VIDEO ENCODER, LOWCOS
AK8813/14VQP 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:NTSC/PAL VIDEO ENCODER, LOWCOS
AK8813P 制造商:AKM 制造商全稱:AKM 功能描述:NTSC/PAL Digital Video Encoder
AK8813VG 制造商:AKM 制造商全稱:AKM 功能描述:NTSC/PAL Digital Video Encoder
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