Z90251 Datasheet, PDF (81/97 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD

Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
73
Table 56 PWM 1 Data Register 02h: Bank B (PWM1)
Bit
7
6
5
R/W
Reset
R/W R/W R/W
x
x
0
Note: R = Read W = Write X = Indeterminate
Bit/
Field
Bit
Position R/W
Reserved
PWM 1 Value
7, 6
R
W
5,4,3,2,1,0 R/W
4
3
2
R/W R/W R/W
0
0
0
Value
Description
Return to 0
No effect
1
R/W
0
0
R/W
0
Table 57 PWM 2 Data Register 03h: Bank B (PWM2)
Bit
7
6
5
4
R/W
Reset
R/W R/W R/W R/W
x
x
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
Reserved
PWM 2 Value
Bit
Position
7, 6
5,4,3,2,1,0
R/W Value Description
R
Return to 0
W
No effect
R/W
Table 58 PWM 3 Data Register 04h: Bank B (PWM3)
Bit
7
6
5
4
R/W
Reset
R/W R/W R/W R/W
x
x
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
PS001301-0800