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