Z90251 Datasheet, PDF (70/97 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD

Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
62
7.2 Port 5 Pin-Out Selection Register
Table 45 PWM Mode Register 0Dh: Bank B (P_MODE)
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
0
1
1
1
1
1
1
1
Note: R = Read W = Write X = Indeterminate
Table 46 Port 5 Data Register 0Ch: Bank B (PRT5_DTA)
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
x
x
x
x
x
x
x
x
Note: R = Read W = Write X = Indeterminate
Bit/
Field
Reserved
P56
P55
P54
P53
P52
P51
P50
Bit
Position
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
Value
Description
Return 1
No Effect
Data input on P56
Data Output on P56
Data input on P55
Data Output on P55
Data input on P54
Data Output on P54
Data input on P53
Data Output on P53
Data input on P52
Data Output on P52
Data input on P51
Data Output on P51
Data input on P50
Data Output on P50
PS001301-0800