Z90251 ZILOG [Zilog, Inc.], Z90251 Datasheet - Page 68

• Manufacturer Part Number: Z90251
• Description: eZVision 200 Television Controllers with OSD
• Manufacturer: ZILOG [Zilog, Inc.]

Table 43 Port 4 Data Register 05h: Bank C (PRT4_DTA)
Bit/
Field
Reserved
P47/PWM10
P46/PWM9
P45/PWM8
P44/PWM7
Reserved
Bit
R/W
Reset
Note: R = Read W = Write X = Indeterminate
Bit/
Field
P47
P46
P45
P44
P43
Bit
Position
7
6
5
4
3
Bit
Position
7, 6
5
4
3
2
1, 0
R/W
7
x
R/W
W
W
W
W
W
R
R
R
R
R
R/W
6
x
R/W
R/W
R/W
R/W
R/W
Value
W
W
R
R
R/W
5
x
Value
Description
Data input on P47
Data Output on P47
Data input on P46
Data Output on P46
Data input on P45
Data Output on P45
Data input on P44
Data Output on P44
Data input on P43
Data Output on P43
32 KB Television Controller with OSD
R/W
0
1
0
1
0
1
0
1
4
x
Description
Return 1
No Effect
Selects PWM10
Selects P47 - POR
Selects PWM9
Selects P46 - POR
Selects PWM8
Selects P45 - POR
Selects PWM7
Selects P44 - POR
Return 1
No Effect
R/W
3
x
R/W
2
x
R/W
PS001301-0800
1
x
R/W
0
x
60