Z90251 Datasheet, PDF (56/97 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD

Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
48
Bit/
Field
Bit
Position R/W Value Description
Reserved
7, 6
R
Return 1
W
No Effect
Color Palette 4 5,4,3,2,1,0 R/W
Programming R_4f, G_4f, B_4f, R_4b, G_4b, B_4b
Table 31 Color Palette 5 Register 0Eh: Bank A (CLR_P5)
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
Return 1
No Effect
Color Palette 5 5,4,3,2,1,0 R/W
Programming R_5f, G_5f, B_5f, R_5b, G_5b, B_5b
Table 32 Color Palette 6 Register 0Fh: Bank A (CLR_P6)
Bit
7
6
5
4
R/W
Reset
R/W
1
R/W R/W R/W
1
0
0
Note: R = Read W = Write X = Indeterminate
3
R/W
0
2
R/W
0
1
R/W
0
0
R/W
0
Bit/
Field
Bit
Position R/W Value Description
Reserved
7, 6
R
W
Color Palette 6 5,4,3,2,1,0 R/W
Return 1
No Effect
Programming R_6f, G_6f, B_6f, R_6b, G_6b, B_6b
PS001301-0800