User manual

IEEE-488 Bus Overview
G-6 2001-900-01 Rev. K / August 2010
cáÖìêÉ=dJP
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
0 1 1
Primary
Address
X
0 1 1
Primary
Address
X
1 1
0
X
1 1 1
Bi
ts
D
3

D
2

D
1

D
0

Column

Row 
0
(A) 0 (B)
1
(A) 1 (B)
2
(A) 2 (B)
3
(A) 3(B)
4
(A) 4 (B)
5
(A) 5 (B)
6
(A) 6 (B)
7
(A) 7 (B)
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 1
0 1 2 3 4 5 6 7 8 9
10
11
12 13 14 15
NU
L
SO
H
ST
X
ET
X
EO
T
EN
Q
AC
K
BE
L
BS
HT
LF
VT
FF
CR
SO
SI
GTL
SDC
PPC
*
GET
TCT
*
DL
E
DC
1
DC
2
DC
3
DC
4
NA
K
SY
N
ET
B
CA
N
EM
SU
B
ES
C
FS
GS
RS
US
LLO
DCL
PPU*
SPE
SPD
SP
!
“
# $
%
&
‘ ( )
•
+
,
-
.
/
0 1 2 3 4 5 6 7 8 9
10
11
12 13 14 15
0 1 2 3 4 5 6 7 8 9
: ;
< = >
?
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
UNL
@
A
B C
D
E
F
G H
I
J
K
L
M
N O
0 1 2 3 4 5 6 7 8 9
10
11
12 13 14 15
P
Q
R
S
T
U V
W
X Y
Z
[
\
]


16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
UNT
a
b
c
d
e
f
g h
i j
k
l
m
n o
p q
r
s
t
u v
w
x y
z
{
:
}

DE
L