Core1553BBC-SKT MICROSEMI, Core1553BBC-SKT Datasheet - Page 5

• Manufacturer Part Number: Core1553BBC-SKT
• Description: Programmable Logic Development Tools Bus Controller
• Manufacturer: MICROSEMI

Message Types
The 1553B bus supports ten message transfer types, allowing basic point-to-point and broadcast BC to RT data
transfers, mode code messages, and direct RT-to-RT messages.
Figure 4 • 1553B Message Formats
RT-to-RT Transfer
Mode Command, No Data
Mode Command, RT Transmit Data
Broadcast Mode Command with Data
RT-to-BC Transfer
Broadcast Mode Command, No Data
BC-to-RT Transfer
Mode Command, RT Receive Data
RT-to-all RTs Broadcast
BC-to-all-RTs Broadcast
Command
Command
Command
Command
Command
Command
Command
Command
Command
Command
Transmit
Transmit
Receive
Receive
Receive
Mode
Mode
Mode
Mode
Mode
BC
BC
BC
BC
BC
BC
BC
BC
BC
BC
Command
Command
Response
Response
Response
Transmit
Transmit
Message
Mode
Mode
Data
Time
Data
Time
Time
Data
Data
Gap
0
0
Command
Response
Response
Response
Message
Status
Status
Status
Word
Word
Word
Data
Time
Data
Time
Time
Next
Gap
. . .
. . .
RT
RT
RT
BC
Command
Message
Status
Status
Status
Mode
Word
Word
Word
Data
Data
Data
Data
Next
Gap
RT1
BC
RT
RT
n
0
n
Command
Response
Message
Message
Message
Time
Data
Data
Data
Next
Gap
Gap
Gap
. . .
BC
0
0
Command
Command
Command
Status
Word
Data
Data
Data
Next
Next
Next
v4.0
BC
. . .
BC
BC
. . .
RT
n
Figure 4
Message
Message
Data
Data
Gap
Gap
n
n
shows the message formats.
Core1553BBC MIL-STD-1553B Bus Controller
Command
Command
Response
Message
Next
Next
Time
Gap
BC
BC
Command
Status
Word
Next
RT2
BC
Message
Gap
Command
Next
BC
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