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Z90251 Datasheet, PDF (54/97 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD
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Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
46
Rnf
R - Red,
n - Palette Number, f - Foreground
Rnb
R - Red,
n - Palette Number, b - Background
Gnf
G - Green, n - Palette Number, f - Foreground
Gnb
G - Green, n - Palette Number, b - Background
Bnf
B - Blue, n - Palette Number, f - Foreground
Bnb
B - Blue, n - Palette Number, b - Background
The registers for color palettes 0 through 6 are listed in Table 26 through Table 32.
Table 26 Color Palette 0 Register 09h: Bank A (CLR_P0)
Bit
7
6
5
4
3
2
1
0
R/W
R/W R/W R/W R/W R/W R/W R/W R/W
Reset
1
1
0
0
0
0
0
0
Note: R = Read W = Write X = Indeterminate
Bit/
Field
Bit
Position R/W Value Description
Reserved
7, 6
R
W
Color Palette 0 5,4,3,2,1,0 R/W
Return 1
No Effect
Programming R0f, G0f, B0f, R0b, G0b, B0b
Table 27 Color Palette 1 Register 0Ah: Bank A (CLR_P1)
Bit
7
6
5
4
3
2
1
0
R/W
Reset
R/W R/W R/W R/W R/W R/W R/W R/W
1
1
0
0
0
0
0
0
Note: R = Read W = Write X = Indeterminate
Bit/
Field
Bit
Position R/W Value Description
Reserved
7, 6
R
W
Color Palette 1 5,4,3,2,1,0 R/W
Return 1
No Effect
Programming R1f, G1f, B1f, R1b, G1b, B1b
PS001301-0800
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