Aim MIL-STD-1553 - Page 262

MIL-STD-1553 Reference Manual
248
Chapter 7 – Bus Controller Functions
A
A
i
i
U
U
I
I
n
n
t
t
1
1
6
6
x
x
i
i
d
d
BC Transfer ID
Note: See Section 1.3.5 for the range allowed for this parameter.
A
A
i
i
U
U
I
I
n
n
t
t
1
1
6
6
h
h
i
i
d
d
Buffer Header ID
Note: See Section 1.3.5 for the range allowed for this parameter.
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A
i
i
U
U
I
I
n
n
t
t
8
8
t
t
y
y
p
p
e
e
Bit
Value
Constant
Description
7..6
0
reserved for Service Request / Vector Word
handling
5..2
0
reserved
1..0
0
1
2
API_BC_TYPE_BCRT
API_BC_TYPE_RTBC
API_BC_TYPE_RTRT
BC to RT transfer type
RT to BC transfer type
RT to RT transfer type
A
A
i
i
U
U
I
I
n
n
t
t
8
8
c
c
h
h
n
n
Transfer Channel
Value
Constant
Description
0
API_BC_XFER_BUS_PRIMARY
Primary Bus
1
API_BC_XFER_BUS_SECONDARY
Secondary Bus
A
A
i
i
U
U
I
I
n
n
t
t
8
8
x
x
m
m
t
t
_
_
r
r
t
t
Value
Description
0..31
RT Address of transmitting terminal
(31 = broadcast RT address)
A
A
i
i
U
U
I
I
n
n
t
t
8
8
r
r
c
c
v
v
_
_
r
r
t
t
Value
Description
0..31
RT Address of receiving terminal
(31 = broadcast RT address)
A
A
i
i
U
U
I
I
n
n
t
t
8
8
x
x
m
m
t
t
_
_
s
s
a
a
Value
Description
0..31
Subaddress of transmitting terminal
(0, 31 = Mode code Subaddress)
A
A
i
i
U
U
I
I
n
n
t
t
8
8
r
r
c
c
v
v
_
_
s
s
a
a
Value
Description
0..31
Subaddress of receiving terminal
(0, 31 = Mode code Subaddress)
A
A
i
i
U
U
I
I
n
n
t
t
8
8
w
w
c
c
n
n
t
t
Value
Description
0
Word Count / Mode code field for Command Word is 32
1..31
Word Count / Mode code field for Command Word
A
A
i
i
U
U
I
I
n
n
t
t
8
8
t
t
i
i
c
c
Transfer Interrupt Control
Value
Constant
Description
0
API_BC_TIC_NO_INT
No Interrupt
1
API_BC_TIC_INT_ON_XFER_END
Interrupt on End of Transfer
2
API_BC_TIC_INT_ON_XFER_ERR
Interrupt on Transfer Error
3
API_BC_TIC_INT_ON_STAT_EXCEPT
Interrupt on Status Word Exception
4..7
API_BC_TIC_NO_INT
Reserved