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vid_csc_enable, IO Map, Address 0x1B30[7]
This bit is used to control the Primary Input Channel CSC.
Function
vid_csc_enable
0
1
vid_csc_mode[1:0], IO Map, Address 0x1B30[6:5]
This signal is used to specify the CSC mode for the Primary Input Channel CSC. The CSC mode sets the fixed point position of the CSC
coefficients, including a4, b4, c4 and offsets.
Function
vid_csc_mode[1:0]
00
01
10
11
The characteristic equations for the primary input CSC are provided in
Out
_
Out
_
Out
_
The CSC on the primary input channel is illustrated in
In_A
In_B
In_C
Rev. B, August 2013
Description
CSC disable
CSC enable
Description
+/- 1.0, -4096 to 4095
+/-2.0, -8192 to 8190
+/- 4.0, -16384 to 16380
+/- 4.0, -16384 to 16380
A
[ 1
12
:
] 0
=
∗
+
A
In
_
A
In
4096
Equation 4: Primary Input CSC Channel A Output
B
[ 1
12
:
] 0
=
∗
+
B
In
_
A
In
4096
Equation 5: Primary Input CSC Channel B Output
C
[ 1
12
:
] 0
=
∗
+
C
In
_
A
In
4096
Equation 6: Primary Input CSC Channel C Output
vid_a1
x
+
vid_a2
x
vid_a3
x
Figure 47: Primary Input Channel CSC
Equation
4,
A
[ 2
12
:
] 0
∗
+
∗
_
B
In
_
C
4096
B
[ 2
12
:
] 0
∗
+
∗
_
B
In
_
C
4096
C
[ 2
12
:
] 0
∗
+
∗
_
B
In
_
C
4096
Figure
47.
4096
vid_a4
+
÷
+
131
Equation 5
and
Equation
6.
A
[ 3
12
:
] 0
+
∗
CSC
A
[ 4
12
:
] 0
2
4096
B
[ 3
12
:
] 0
+
∗
B
[ 4
12
:
] 0
2
4096
C
[ 3
12
:
] 0
+
∗
C
[ 4
12
:
] 0
2
4096
vid_csc_mode
4x
2
2x
1
0
ADV8003 Hardware Manual
_
scale
CSC
_
scale
CSC
_
scale
Out_A
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