![](http://datasheet.mmic.net.cn/220000/VPC3200A_datasheet_15512207/VPC3200A_44.png)
VPC 323xD, VPC 324xD
ADVANCE INFORMATION
44
Micronas
Scaler Control Register
h’40
scaler mode register
bit[1:0]
scaler mode
0
1
2
3
bit[2]
reserved, set to 0
bit[3]
color mode select
0/1
bit[4]
scaler bypass
bit[5]
reserved, set to 0
bit[6]
luma output format
0
1
bit[7]
chroma output format
0/1
bit[10:8] reserved, set to 0
bit[11]
0
linear scaling mode
nonlinear scaling mode, ’panorama’
nonlinear scaling mode, ’waterglass’
reserved
4:2:2 mode / 4:1:1 mode
ITU-R luma output format (16–240)
CVBS output format
ITU-R (offset binary) / signed
scaler update command, when the registers are
updated the bit is set to 1
0
SCMODE
PANO
S411
BYE
YOF
COF
h’41
pip control register
bit[1:0]
horizontal downsampling
0
no downsampling
1
downsampling by 2
2
downsampling by 4
3
downsampling by 8
vertical compression for PIP
0
compression by 2
1
compression by 3
2
compression by 4
3
compression by 6
vertical filter enable
interlace offset for vertical filter (NTSC mode only)
0
start in line 283 of 2nd field (ITUR 656 spec)
1
start in line 282 of 2nd field (NTSC spec)
this register is updated when the scaler mode register is written
bit[3:2]
bit[4]
bit[5]
0
SCPIP
DOWNSAMP
PIPSIZE
PIPE
INTERLACE_OFF
h’42
active video length for 1H-FIFO
bit[11:0] length in pixels
D3000 mode (1296/h)1080
LLC mode (864/h)720
this register is updated when the scaler mode register is written
1080
FFLIM
h’43
scaler1 coefficient: This scaler compresses the signal.
For compression by a factor c, the value c*1024 is required.
bit[11:0]
allowed values from 1024... 4095
This register is updated when the scaler mode register is written.
1024
SCINC1
h’44
scaler2 coefficient: This scaler expands the signal.
For expansion by a factor c, the value 1/c*1024 is required.
bit[11:0]
allowed values from 256..1024
This register is updated when the scaler mode register is written.
1024
SCINC2
h’45
scaler1/2 nonlinear scaling coefficient
This register is updated when the scaler mode register is written.
0
SCINC
FP Sub-
address
Function
Default
Name