ADV8003 Hardware Manual
Rev. B, August 2013
131
vid_csc_enable
, IO Map,
Address 0x1B30[7]
This bit is used to control the Primary Input Channel CSC.
Function
vid_csc_enable
Description
0
CSC disable
1
CSC enable
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]
Description
00
+/- 1.0, -4096 to 4095
01
+/-2.0, -8192 to 8190
10
+/- 4.0, -16384 to 16380
11
+/- 4.0, -16384 to 16380
The characteristic equations for the primary input CSC are provided in
and
scale
CSC
A
A
C
In
A
B
In
A
A
In
A
Out
_
2
]
0
:
12
[
4
4096
]
0
:
12
[
3
_
4096
]
0
:
12
[
2
_
4096
]
0
:
12
[
1
_
_
∗
+
∗
+
∗
+
∗
=
Equation 4: Primary Input CSC Channel A Output
scale
CSC
B
B
C
In
B
B
In
B
A
In
B
Out
_
2
]
0
:
12
[
4
4096
]
0
:
12
[
3
_
4096
]
0
:
12
[
2
_
4096
]
0
:
12
[
1
_
_
∗
+
∗
+
∗
+
∗
=
Equation 5: Primary Input CSC Channel B Output
scale
CSC
C
C
C
In
C
B
In
C
A
In
C
Out
_
2
]
0
:
12
[
4
4096
]
0
:
12
[
3
_
4096
]
0
:
12
[
2
_
4096
]
0
:
12
[
1
_
_
∗
+
∗
+
∗
+
∗
=
Equation 6: Primary Input CSC Channel C Output
The CSC on the primary input channel is illustrated in
4x
2x
+
÷
+
+
x
x
x
vid_a1
vid_a2
vid_a3
vid_a4
4096
vid_csc_mode
0
1
2
Out_A
In_A
In_B
In_C
Figure 47: Primary Input Channel CSC
Summary of Contents for ADV8003
Page 366: ...ADV8003 Hardware Manual Rev B August 2013 366 Figure 144 ADV8003 Schematic Page 4...
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