參數(shù)資料
型號: CH5001A-L
廠商: Electronic Theatre Controls, Inc.
英文描述: CMOS COLOR DIGITAL VIDEO CAMERA
中文描述: CMOS彩色數(shù)碼攝像機(jī)
文件頁數(shù): 24/34頁
文件大?。?/td> 136K
代理商: CH5001A-L
24
201-0000-032 Rev 3.0, 6/2/99
CHRONTEL
Matrix Coefficient Registers
CH5001A
Symbol:CSC11-CSC34
Address:06h-11h
Bits:8 each
Registers CSC11, CSC12, CSC13, CSC14, CSC21, CSC22, CSC23, CSC24, CSC31, CSC32, CSC33 and CSC34
specify the color space conversion matrix values used to convert from the color space of the filters to the RGB
domain dictated by television phosphors. The values are 2’s complement and 64 will be added to each value
internally to make the range of possible values -64 to +191. There is a second set of fixed matrix multiplier
coefficient values that can be multiplexed with the register values under the control of the MONO pin. The matrix
multiplication equation, default register values and second set of register values are shown below:
Red Offset Register
Symbol:ROS
Address:12h
Bits:5
Register ROS specifies the offset given to the red channel after color space conversion. The value is a 2’s
complement number in the range of –16 to +15. After adjustments to the matrix multiplier coefficients have been
made, this value can be used to perform a black balance adjustment.
BIT:
SYMBOL:
7
6
5
4
3
2
1
0
CSC##7
CSC##6
CSC##5
CSC##4
CSC##3
CSC##2
CSC##1
CSC##0
TYPE:
DEFAULT:
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Output
Matrix Coefficient Register
Input
R
G
B
06H
0AH
0EH
07H
0BH
0FH
08H
0CH
10H
09H
0DH
11H
Pr
Pg1
Pg2
Pb
=
*
Table 10. Register Values for Color Space Conversion Matrix
Register (H)
Default Value
‘MONO’ Multiplexed Value
Decimal
-5
-52
-52
-64
-64
-32
-32
-64
-64
-64
-64
40
Binary
1111 1011
1100 1100
1100 1100
1100 0000
1100 0000
1110 0000
1110 0000
1100 0000
1100 0000
1100 0000
1100 0000
0010 1000
Decimal
-48
-48
-48
-48
-48
-48
-48
-48
-48
-48
-48
-48
Binary
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
1101 0000
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
BIT:
SYMBOL:
7
6
5
4
3
2
1
0
ROS4
ROS3
ROS2
ROS1
ROS0
TYPE:
DEFAULT:
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
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