CT1995 Datasheet, PDF (11/25 Pages) Aeroflex Circuit Technology – MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control

Controller to
RT Transfer
Receive Data
Command Word
Data _{. . . .} Data
Word
Word
NEXT
..
Status
§ Command
Word
Word
RT to
Controller
Transfer
. . ^Transmit
Command
Status
Word
Data
Word
Data _{. . . .} Data
Word
Word
NEXT
§ Command
Word
RT to RT
Transfer
Receive Transmit
..
Command Command
Status
Data
Data _{. . . .} Data
..
Word
Word
Word
Word
Status
Word
Mode Command
Without Data
Word
Mode
..
Command
Status
Word
NEXT
§
Command
Word
Mode Command
With Data
Word
(Transmit)
Mode
..
Command
Status
Word
Data
Word
NEXT
§
Command
Word
NEXT
§ Command
Word
Mode Command
With Data
Word
(Receive)
Mode
Data
..
Status
Command Word
Word
NEXT
§
Command
Word
. . NOTE: § = Intermessage Gap
= Response Time
T/R
Bit
Mode Code
1
00000
1
00001
1
00010
1
00011
1
00100
1
00101
1
00110
1
00111
1
01000
1
01001
↓
1
01111
1
10000
0
10001
1
10010
1
10011
0
10100
0
10101
1 or 0
1 or 0
10110
↓
11111
Aeroflex Circuit Technology
Figure 1 – Typical Message Formats
Function
Associated
Data Word
Dynamic Bus Control
No
Synchronize
No
Transmit Status Word
No
Initiate Self Test
No
Transmitter Shutdown
No
Override Transmitter Shutdown
No
Inhibit Terminal Flag Bit
No
Override lnhibit Terminal Flag Bit
No
Reset Remote Terminal
No
Reserved
No
↓
↓
Reserved
No
Transmit Vector Word
Yes
Synchronize
Yes
Transmit Last Command
Yes
Transmit BlTWord
Yes
Selected Transmitter Shutdown
Yes
Override Selected Transmitter
Yes
Shutdown
Reserved
Yes
↓
↓
Reserved
Yes
Figure 2 – Assigned Mode Codes
Broadcast Command
Allowed
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
TBD
↓
TBD
No
Yes
No
No
Yes
Yes
TBD
↓
TBD
11
SCDCT1995 REV A 11/21/01 Plainview NY [phone]