參數(shù)資料
型號(hào): DDP3310B
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類: 消費(fèi)家電
英文描述: Display and Deflection Processor
中文描述: SPECIALTY CONSUMER CIRCUIT, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 34/60頁(yè)
文件大小: 1540K
代理商: DDP3310B
DDP 3310B
ADVANCE INFORMATION
34
Micronas
3.3.1. Scaler Adjustment
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.
For adjustment of the scaler for non-linear scaling, the
parameters given in Table 3
4 should be used. An
example for
panorama vision
mode is depicted in
Fig. 3
4. It shows the scaling of the input signal and
the variation of the scaling factor during the active
video line. The scaling factor starts below 1, i.e. for the
borders the video data is expanded and after it
exceeds 1 it is compressed. When the picture center is
reached, the scaling factor is kept constant. At the sec-
ond border the scaling factor changes back symmetri-
cally.
Fig. 3
4:
Scaler operation for
panorama
mode
Table 3
4:
Setup values for non-linear scaler modes
Mode
27 MHz
32 MHz
Register
waterglass
border 35 %
panorama
border 30 %
waterglass
border 35 %
panorama
border 30 %
center 3/4
center 5/6
center 4/3
center 6/5
center 3/4
center 5/6
center 4/3
center 6/5
SCINC1
1099
1064
1024
1024
1195
1122
1024
1024
SCINC2
1024
1024
259
407
1024
1024
305
489
SCINC
60
65
56
38
54
42
68
46
FFLIM
715
717
758
796
833
845
831
871
SCW1 - 0
20
10
106
106
51
37
109
126
SCW1 - 1
156
123
106
106
161
166
125
126
SCW1 - 2
202
236
273
292
256
257
291
310
SCW1 - 3
338
349
273
292
366
386
307
310
SCW1 - 4
358
359
379
398
417
423
416
436
SCW2 - 0
20
10
186
177
51
37
168
175
SCW2 - 1
156
123
186
177
161
166
184
175
SCW2 - 2
384
417
354
363
373
368
350
359
SCW2 - 3
520
530
354
363
483
497
366
359
SCW2 - 4
540
540
540
540
534
534
534
534
Compression
Ratio
Center
Border
Border
Input Signal
Output Signal
Compression
Zoom
Zoom
1
t
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