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Personal488 User's Manual For Windows 95 and Windows NT
Appendix 121
Appendix
A
IEEE 488 Bus & Serial Bus……121
IEEE 488 Bus Commands……122
ASCII Codes……123
ASCII Code Summary……123
ASCII Code Details……125
IEEE 488 Bus & Serial Bus Lines
Bus State
Bus Line
Data Transfer (DIO) Lines
8
7
6
5
4
3
2
1
Bus Management Lines
IFC
Interface Clear
REN
Remote Enable
IEEE 488 Interface: Bus Management Lines
ATN
Attention ($04)
0
0
0
0
0
1
0
0
EOI
End-Or-Identify ($80)
1
0
0
0
0
0
0
0
SRQ
Service Request ($40)
0
1
0
0
0
0
0
0
IEEE 488 Interface: Handshake Lines
DAV
Data Valid ($08)
0
0
0
0
1
0
0
0
NDAC
Not Data Accepted ($10)
0
0
0
1
0
0
0
0
NRFD
Not Ready For Data ($20)
0
0
1
0
0
0
0
0
Serial Interface: Bus Management Lines
DTR
Data Terminal Ready ($02)
0
0
0
0
0
0
1
0
RI
Ring Indicator ($10)
0
0
0
1
0
0
0
0
RTS
Request To Send ($01)
0
0
0
0
0
0
0
1
Serial Interface: Handshake Lines
CTS
Clear To Send ($04)
0
0
0
0
0
1
0
0
DCD
Data Carrier Detect ($08)
0
0
0
0
1
0
0
0
DSR
Data Set Ready ($20)
0
0
1
0
0
0
0
0
Hexadecimal & Decimal Values
Hexadecimal Value
$80
$40
$20
$10
$08
$04
$02
$01
Decimal Value
128
064
032
016
008
004
002
001
Summary of Contents for OMB-PER-488/W95
Page 1: ......
Page 4: ...ii Personal488 User s Manual For Windows 95 and Windows NT Notes...
Page 38: ...32 Personal488 with GP488B Personal488 User s Manual For Windows95 and Windows NT Notes...
Page 52: ...46 Driver488 W95 Driver488 WNT Personal488 User s Manual For Windows95 and Windows NT Notes...
Page 136: ...130 Appendix Personal488 User s Manual For Windows95 and Windows NT Notes...
Page 139: ...Personal488 User s Manual For Windows 95 and Windows NT Index 133 Notes...
Page 142: ...136 Abbreviations Personal488 User s Manual For Windows95 and Windows NT Notes...