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參數(shù)資料
| 型號(hào)： | UPD765A |
| 廠商： | NEC Corp. |
| 英文描述： | Single/Double Density Floppy-Disk Controller |
| 中文描述： | 單/雙密度軟盤控制器 |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 344K |
| 代理商： | UPD765A |
Table 4.
Instruction Set (Notes
code
Phase
Scan
Command
Remarks
or
MT
X
MF
X
SK
1
1
0
0
1
X
X
X
HD
US,
C
H
N
EOT
GPL
STP
Command codes
Sector ID
to command
Data comoared between the FDD and
Status
after
Result
ST1
ST2
C
R
N
-
R
command execution
Sector ID Information after command
Scan High
Command
Equal
W
w
w
w
W
W
W
W
w
MT
X
MF
X
SK
1
1
1
0
Command codes
X
X
X
US,
C
Sector ID information prior to command execution
N
EDT
GPL
STP
Execution
Result
Data compared between the FDD and
Status Information after command
system
ST1
ST2
C
H
R
Sector ID information after command
-
R
Command
W
W
o
x
0
0
D
1
1
Command
codes
x
x
x
x
0
Head retracted to track 0
Sense Interrupt Status
Command
Result
w
0
0
0
0
1
0
0
0
Command codes
Status Information about the FDC at the end of seek
PCN
Specify
Command
W
W
W
0
0
0
0
0
0
1
1
Command
codes
SRT
HUT
HLT
ND
Sense Drive Status
Command
W
W
0
X
0
0
0
D
0
0
Command codes
X
X
X
X
HD
US,
Result
ST3
Status
about FDD
5-17
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| UPD765AC | 制造商:NEC Electronics Corporation 功能描述:DISK CONTROLLER, 40 Pin, DIP |
| UPD765AC-2 | 制造商:NEC Electronics Corporation 功能描述:DISK CONTROLLER, 40 Pin, DIP |
| UPD76F0107GC(A)-8EU-A | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD76F0108GC(A)-UEU-AX | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD76F0108GC(A)-UEU-SSA-AX | 制造商:Renesas Electronics Corporation 功能描述: |
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