Z90251 Datasheet, PDF (38/97 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD

Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
30
Bit/
Field
Reserved
Mesh Window Start
Bit
Position
R/W Value Description
7, 6, 5
R
W
4, 3, 2, 1, 0 R/W
Return 1
No effect
Defines the start character
number in the mesh window.
Table 14 Mesh Column End Register 05h: Bank F (MC_End)
Bit
7
6
5
4
3
2
1
0
R/W
R/W R/W R/W
Reset
x
x
x
Note: R = Read W = Write X = Indeterminate
R/W
0
R/W
0
R/W
0
R/W R/W
0
0
Bit/
Field
Bit
Position R/W Value Description
Reserved
7, 6, 5
R
W
Return 1
No effect
Mesh Window End 4, 3, 2, 1, 0 R/W
Defines the character number after
the mesh window display.
MC_St and MC_End define the width and horizontal position of the mesh window.
Table 15 Mesh Row Enable Register 06h: Bank F (MR_En)
Bit
7
6
5
4
3
2
1
0
R/W
R/W R/W R/W
Reset
0
0
0
Note: R = Read W = Write X = Indeterminate
R/W
0
R/W
0
R/W
0
R/W R/W
0
0
PS001301-0800