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VCT3801A 参数 Datasheet PDF下载

VCT3801A图片预览
型号: VCT3801A
PDF下载: 下载PDF文件 查看货源
内容描述: 视频/控制/图文电视IC系列 [Video/Controller/Teletext IC Family]
分类和应用: 电视
文件页数/大小: 172 页 / 2219 K
品牌: MICRONAS [ MICRONAS ]
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VCT 38xxA  
ADVANCE INFORMATION  
FP Sub-  
address  
Function  
Default  
Name  
h’41  
luma offset register 1)  
57 YOFFS  
bit[6:0]  
luma offset 0..127  
ITU-R output format:  
CVBS output format:  
57  
4
h’42  
h’43  
active video length for 1-h FIFO 1)  
bit[11:0] length in pixels  
1080 FFLIM  
SCINC1  
scaler1 compression coefficient 1)  
For compression by a factor c the value c*1024 is required.  
bit[11:0] allowed values from 1024..4095  
1024  
h’44  
scaler2 expansion coefficient 1)  
SCINC2  
For expansion by a factor c the value 1/c*1024 is required.  
bit[11:0]  
allowed values from 256..1024  
1024  
h’45  
scaler1/2 nonlinear scaling coefficient 1)  
0
0
SCINC  
h’47 −  
scaler1 window controls 1)  
SCW1_0 4  
h’4b  
5 12-bit registers for control of the nonlinear scaling  
h’4c −  
scaler2 window controls 1)  
0
SCW2_0 4  
h’50  
5 12-bit registers for control of the nonlinear scaling  
2.15.1.1. Scaler Adjustment  
Table 2–6: Set-up values for nonlinear scaler modes  
In case of linear scaling, most of the scaler registers  
need not be set. Only the scaler mode, active video  
length, and the fixed scaler increments (scinc1/scinc2)  
must be written.  
Register  
Scaler Modes  
‘waterglass’  
border 35%  
‘panorama’  
border 30%  
center compression  
5/6 4/3  
1427 1024  
The adjustment of the scaler for nonlinear scaling  
modes should use the parameters given in Table 2–6.  
3/4  
1643  
6/5  
1024  
scinc1  
scinc2  
1024  
90  
1024  
56  
376  
85  
611  
56  
scinc  
fflim  
945  
110  
156  
317  
363  
473  
110  
156  
384  
430  
540  
985  
115  
166  
327  
378  
493  
115  
166  
374  
425  
540  
921  
83  
983  
94  
scw1 0  
scw1 1  
scw1 2  
scw1 3  
scw1 4  
scw2 0  
scw2 1  
scw2 2  
scw2 3  
scw2 4  
147  
314  
378  
461  
122  
186  
354  
418  
540  
153  
339  
398  
492  
118  
177  
363  
422  
540  
44  
Micronas  
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