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Function
rx_csc_enable
0
1
rx_csc_mode[1:0], IO Map, Address 0x1B70[6:5]
This signal is used to specify the CSC mode for the RX input channel CSC. The CSC mode sets the fixed point position of the CSC
coefficients, including a4, b4, c4 and offsets.
Function
rx_csc_mode[1:0]
00
01
10
11
The characteristic equations for the secondary input CSC are provided in
Out
_
Out
_
Out
_
The CSC on the RX input channel is illustrated in
In_A
In_B
In_C
The video inputs In_A, In_B and In_C are connected by default to R, G and B. For more information, please see
routing can be changed by adjusting the value of rx_swap_bus_ctrl[2:0].
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
4096
Equation 10: RX Input CSC Channel A Output
B
[ 1
12
:
] 0
=
∗
+
B
In
_
A
4096
Equation 11: RX Input CSC Channel B Output
C
[ 1
12
:
] 0
=
∗
+
C
In
_
A
4096
Equation 12: RX Input CSC Channel C Output
Figure
rx_a1
x
+
rx_a2
x
rx_a3
x
Equation
A
[ 2
12
:
] 0
∗
+
In
_
B
In
_
C
4096
B
[ 2
12
:
] 0
∗
+
In
_
B
In
_
C
4096
C
[ 2
12
:
] 0
∗
+
In
_
B
In
_
C
4096
48.
4096
rx_a4
÷
+
+
Figure 49: RX Input Channel CSC
137
10,
Equation 11
and
Equation
A
[ 3
12
:
] 0
∗
+
∗
A
[ 4
12
:
] 0
4096
B
[ 3
12
:
] 0
∗
+
∗
B
[ 4
12
:
] 0
4096
C
[ 3
12
:
] 0
∗
+
∗
C
[ 4
12
:
] 0
4096
rx_csc_mode
4x
2
2x
1
0
ADV8003 Hardware Manual
12.
CSC
_
scale
2
CSC
_
scale
2
CSC
_
scale
2
Out_A
Table
18. The default
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