Keithley 6220, Справочное руководство

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C-8 IEEE-488 Bus Overview Model 6220/6221 Reference Manual
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Table C-2
Command codes
D
7
D
6
D
5
D
4
X 0 0 0
Command
X 0 0 1
Command
X 0 1 0
Primary
Address
X 0 1 1
Primary
Address
X 1 0 0
Primary
Address
X 1 0 1
Primary
Address
X 1 1 0
X 1 1 1
Bits
D
3
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
D
2
0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
D
1
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
D
0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
Column Row
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 (A)
NUL SOH STX ETX EOT ENQ ACK BEL BS HT LF VT FF CR SO
SI
0 (B)
GTL SDC PPC* GET TCT*
1 (A)
DLE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EM SUB ESC FS GS RS US
LLO DCL PPU*
SPE SPD
1 (B)
2 (A)
SP ! " # $ % & ' ( ) • + , _ . /
2 (B)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
3 (A)
0 1 2 3 4 5 6 7 8 9 : ; < = > ?
3 (B)
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 UNL
4 (A)
@ A B C D E F G H I J K L M N O
4 (B)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
5 (A)
P Q R S T U V W X Y Z [ \ ]
5 (B)
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 UNT
6 (A)
a b c d e f g h i j k l m n o
6 (B)
7 (A)
p q r s t u v w x y z { : }
= DEL
~
7 (B)
ADDRESSED COMMAND
GROUP (ACG)
UNIVERSAL COMMAND
GROUP (UCG)
LISTEN ADDRESS GROUP (LAG)
TALK
ADDRESS GROUP
(T
AG)
PRIMAR
Y
COMMAND
GROUP (PCG)
SECONDAR
Y
COMMAND
GROUP (SDC)
*PPC (P
ARALLEL
POLL
CONFIGURE) PPU (P
ARALLEL
POLL
UNCONFIGURE),
and TCT (T
AKE CONTROL) not implemented by Model 622x.
Note: D
0
= D101 ...D
7
= D108; X = Don't Care.
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