參數(shù)資料
型號(hào): AK8850
廠(chǎng)商: Asahi Kasei Microsystems Co.,Ltd
英文描述: NTSC Digital Video Decoder
中文描述: NTSC制式數(shù)字視頻解碼器
文件頁(yè)數(shù): 22/99頁(yè)
文件大?。?/td> 1757K
代理商: AK8850
ASAHI KASEI
[AK8850]
( 1-1) SYNC-TIP Clamp Timing Pulse
The Start point and pulse width of the SYNC-TIP timing pulse is set by the [CLAMP TIMING 1 CONTROL REGISTER ].
The Start point of the SYNC-TIP timing pulse is set by [SCLPSTAT 2 : SCLPSTAT 0 ]-bit of the [ CLAMP TIMING 1
CONTROL REGISTER ] as shown below.
The CLAMP period ( pulse width ) is set by [SCLPWIDTH 3 : SCLPWIDTH 0 ]-bit of the [ CLAMP TIMING 1 CONTROL
REGISTER ].
Clamp pulse point and pulse width setting is further described in item( 1-6 )SYNC-SEPARATION RELATED REGISTER
DESCRIPTION.
Internal Sy
(SYNCDET
Input Video Signal
location of Syn
(AIN1/AIN2/AIN3)
1Clock = 37nsec
After LPF
SYNC1/2/3 input
Sync (HSYNC)
R=620
C=510pF
LPF Constance
380nsec
(2 + [SCLPSTAT2:SCLPSTAT0]-bit) Clocks
Synctip clamp
Timing pulse
[SCLPWIDTH3: SCLPWIDTH0]-bit Clocks
380nsec + (2 + [SCLPSTAT2:SCLPSTAT0]-bit) Clocks
70mV (Default
After Syncseparation
nc Reference
)
Rev.0
29
2002/01
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