CS7666-KQ データシートの表示（PDF） - Cirrus Logic
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CS7666-KQ Datasheet PDF : 42 Pages
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CS7666
Blue Saturation Register (0Bh)
7
6
5
4
3
2
1
0
BS7
BS6
BS5
BS4
BS3
BS2
BS1
BS0
R/W
BS[7:0]
The Blue Saturation register value controls the amplitude of the B-Y chrominance signal. When
the register value is 00h, the amplitude of the B-Y is minimized; when the register value is FFh,
the amplitude of the B-Y is maximized.
Gamma Correction Register (0Ch)
Writing to the gamma register (0Ch) selects the R, G, and/or B ram. Continuing data writes without sending a stop
bit after the register write results in writes to the ram locations starting with 00h and continuing to FFh. Reads from
register 0Ch function in a similar way. NOTE: All three gamma rams may be selected for simultaneous writes, but
read should be done one ram table at a time.
7
GC7
6
GC6
5
GC5
4
3
GC4
GC3
R/W
2
GC2
1
GC1
0
GC0
GC0
Logic “1” selects BLUE gamma ram for subsequent access.
GC1
Logic “1” selects GREEN gamma ram for subsequent ram access.
GC2
Logic “1” selects RED gamma ram for subsequent ram access.
GC[0:7]
Provide R/W access to ram after gamma ram table has been selected.
Test Control A Register (0Eh)
This register is reserved
Test Control B Register (0Fh)
This register is reserved.
YR Coefficient Register (10h)
7
6
5
4
3
2
1
0
YR7
YR6
YR5
YR4
YR3
YR2
YR1
YR0
R/W
Color separation and color space conversion coefficient.
CrR Coefficient Register (11h)
7
CrR7
6
CrR6
5
CrR5
4
3
CrR4
CrR3
R/W
2
CrR2
1
CrR1
0
CrR0
Color separation and color space conversion coefficient.
DS302PP1
25
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