Z90251 ZILOG [Zilog, Inc.], Z90251 Datasheet - Page 72

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

Table 49 Port 6 Direction Control Register 02h: Bank F (PRT6_DRT)
Bit/
Field
Reserved
P63
P62
P61
P60
Bit
R/W
Reset
Note: R = Read W = Write X = Indeterminate
Bit/
Field
P63
P62
P61
P60
P63 I/O
definition
Bit
Position
7, 6, 5, 4
3
2
1
0
Bit
Position
7
6
5
4
3
R/W
7
1
R/W
6
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
R
R
R
R
R
R/W
5
1
Value Description
0
1
0
1
0
1
0
1
0
1
32 KB Television Controller with OSD
Value
R/W
Open-Drain Output
Push-Pull Output - POR
Open-Drain Output
Push-Pull Output - POR
Open-Drain Output
Push-Pull Output - POR
Open-Drain Output
Push-Pull Output - POR
Data Output
Data Input - POR
4
1
Description
Return Unknown
No Effect
Data input on P63
Data Output on P63
Data input on P62
Data Output on P62
Data input on P61
Data Output on P61
Data input on P60
Data Output on P60
R/W
3
1
R/W
2
1
R/W
PS001301-0800
1
1
R/W
0
1
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