Aim MIL-STD-1553 - Page 371

MIL-STD-1553 Reference Manual
357
Chapter 9 – Bus Monitor Functions
A
A
i
i
U
U
I
I
n
n
t
t
3
3
2
2
e
e
n
n
t
t
r
r
y
y
Monitor Buffer Entry
Bit 31
Bit 30
Bit 29
Bit 28
Bit 27
Bit 26
Bit 25
Bit 24
ENTRY_TYPE
EC
ENTRY_DATA see below
Bit 23
Bit 22
Bit 21
Bit 20
Bit 19
Bit 18
Bit 17
Bit 16
ENTRY_DATA see below
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
ENTRY_DATA see below
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ENTRY_DATA see below
E
E
N
N
T
T
R
R
Y
Y
_
_
T
T
Y
Y
P
P
E
E
Entry Type Definition
Value
Constant
Description
0
API_BM_ENTRY_NOT_UPDATED
Entry not updated
1
API_BM_ENTRY_ERROR_WORD
Error Word Entry
2
API_BM_ENTRY_TIMETAG_LOW
Timetag Low Word Entry
3
API_BM_ENTRY_TIMETAG_HIGH
Timetag High Word Entry
4..7
Reserved
8
API_BM_ENTRY_CW_PRIMARY
Command Word on Primary Bus
9
API_BM_ENTRY_CW2_PRIMARY
Command Word 2 on Primary Bus
10
API_BM_ENTRY_DW_PRIMARY
Data Word on Primary Bus
11
API_BM_ENTRY_SW_PRIMARY
Status Word on Primary Bus
12
API_BM_ENTRY_CW_SECONDARY
Command Word on Secondary Bus
13
API_BM_ENTRY_CW2_SECONDARY
Command Word 2 on Secondary Bus
14
API_BM_ENTRY_DW_SECONDARY
Data Word on Secondary Bus
15
API_BM_ENTRY_SW_SECONDARY
Status Word on Secondary Bus
E
E
C
C
Entry Connection Flag
Bit 31
Bit 30
Bit 29
Bit 28
Bit 27
Bit 26
Bit 25
Bit 24
see above
START
0 (reserved)
Bit 23
Bit 22
Bit 21
Bit 20
Bit 19
Bit 18
Bit 17
Bit 16
0 (reserved)
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
ERR
ALTER
LCNT
HCNT
STAT
TADDR
GAP
ILLEGL
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TX
IWGAP
ISYNC
PAR
LBIT
HBIT
MANCH
NRESP
E
E
R
R
R
R
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
A
A
n
n
y
y
E
E
r
r
r
r
o
o
r
r
A
A
L
L
T
T
E
E
R
R
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
A
A
l
l
t
t
e
e
r
r
n
n
a
a
t
t
e
e
B
B
u
u
s
s
R
R
e
e
s
s
p
p
o
o
n
n
s
s
e
e
E
E
r
r
r
r
o
o
r
r
L
L
C
C
N
N
T
T
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
L
L
o
o
w
w
W
W
o
o
r
r
d
d
c
c
o
o
u
u
n
n
t
t
E
E
r
r
r
r
o
o
r
r
H
H
C
C
N
N
T
T
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
H
H
i
i
g
g
h
h
W
W
o
o
r
r
d
d
c
c
o
o
u
u
n
n
t
t
E
E
r
r
r
r
o
o
r
r
S
S
T
T
A
A
T
T
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
S
S
t
t
a
a
t
t
u
u
s
s
W
W
o
o
r
r
d
d
E
E
x
x
c
c
e
e
p
p
t
t
i
i
o
o
n
n
E
E
r
r
r
r
o
o
r
r
T
T
A
A
D
D
D
D
R
R
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
e
e
r
r
m
m
i
i
n
n
a
a
l
l
A
A
d
d
d
d
r
r
e
e
s
s
s
s
E
E
r
r
r
r
o
o
r
r
G
G
A
A
P
P
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
E
E
a
a
r
r
l
l
y
y
R
R
e
e
s
s
p
p
o
o
n
n
s
s
e
e
o
o
r
r
G
G
a
a
p
p
t
t
o
o
o
o
A
A
i
i
I
I
n
n
t
t
1
1
6
6
I
I
L
L
L
L
E
E
G
G
L
L
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
I
I
l
l
l
l
e
e
g
g
a
a
l
l
C
C
o
o
m
m
m
m
a
a
n
n
d
d
W
W
o
o
r
r
d
d
T
T
X
X
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
r
r
a
a
n
n
s
s
m
m
i
i
s
s
s
s
i
i
o
o
n
n
o
o
n
n
b
b
o
o
t
t
h
h
M
M
I
I
L
L
b
b
u
u
s
s
c
c
h
h
a
a
n
n
n
n
e
e
l
l
s
s
I
I
W
W
G
G
A
A
P
P
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
I
I
n
n
t
t
e
e
r
r
w
w
o
o
r
r
d
d
G
G
a
a
p
p
E
E
r
r
r
r
o
o
r
r
I
I
S
S
Y
Y
N
N
C
C
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
I
I
n
n
v
v
e
e
r
r
t
t
e
e
d
d
S
S
y
y
n
n
c
c
E
E
r
r
r
r
o
o
r
r
P
P
A
A
R
R
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
P
P
a
a
r
r
i
i
t
t
y
y
E
E
r
r
r
r
o
o
r
r
L
L
B
B
I
I
T
T
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
L
L
o
o
w
w
B
B
i
i
t
t
C
C
o
o
u
u
n
n
t
t
E
E
r
r
r
r
o
o
r
r
H
H
B
B
I
I
T
T
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
H
H
i
i
g
g
h
h
B
B
i
i
t
t
C
C
o
o
u
u
n
n
t
t
E
E
r
r
r
r
o
o
r
r
M
M
A
A
N
N
C
C
H
H
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
M
M
a
a
n
n
c
c
h
h
e
e
s
s
t
t
e
e
r
r
C
C
o
o
d
d
i
i
n
n
g
g
E
E
r
r
r
r
o
o
r
r
N
N
R
R
E
E
S
S
P
P
I
I
f
f
B
B
i
i
t
t
=
=
1
1
:
:
T
T
e
e
r
r
m
m
i
i
n
n
a
a
l
l
N
N
o
o
R
R
e
e
s
s
p
p
o
o
n
n
s
s
e
e
E
E
r
r
r
r
o
o
r
r