HI-6110 (REMOTE TERMINAL MODE)
EXAMPLE RT MIL-STD-1553 MESSAGE SEQUENCES
The HI-6110 RT receives a Broadcast RT to RT transfer
Command with 2 data words from the MIL-STD-1553 bus. The
HI-6110 RT is the receiver. The HI-6110 captures the message
which is read by the host.AStatus Word is not transmitted.
Example 10. Broadcast RT to RT Transfer,
HI-6110 is the receiving RT
Host Read and Decode Message
Host Change Bus if required
Host Read Data FIFO (Data Word 2)
Host Read Data FIFO (Data Word 1)
STR
Receive
Command
Transmit
Command
Status
Word 1
Data
Word 1
Data
Word 2
MIL-STD-1553 Bus
From MIL-STD-1553 bus
From transmitting RT
VALMESS
RCVCMDA/B
RCVA/B
FFEMPTY
The HI-6110 RT receives a Broadcast Mode Command without
Data word from the MIL-STD-1553 bus. The Mode Command
Word is read by the host. Note:The RCV signal pulse is less than
1 uS wide, and Message Register flag is cleared at the same time.
Example 11. Broadcast Mode Code without Data Word
Host Read CW1 (Command Word)
STR
Mode Code
MIL-STD-1553 Bus
Command
From MIL-STD-1553 bus
VALMESS
RCVA/B
FFEMPTY
The HI-6110 RT receives a Broadcast Mode Command with Data
word from the MIL-STD-1553 bus. The host reads the Mode Data
word received.
Example 12. Broadcast Mode Code with Data Word
Host Read MODE (Mode Data)
Host Read CW1 (Command Word)
STR
Mode Code
Command
Mode
Data
MIL-STD-1553 Bus
From HI-6110 BC
VALMESS
RCVA/B
FFEMPTY
HOLT INTEGRATED CIRCUITS
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