HI-6110 (BUS MONITOR MODE)
EXAMPLE MT MIL-STD-1553 MESSAGE SEQUENCES
Example 7. Broadcast BC to RT Transfer
Host Read Data FIFO (Data Word 3)
Host Read Data FIFO (Data Word 2)
Host Read Data FIFO (Data Word 1)
The HI-6110 MT monitors a Broadcast Receive Command with 3
data words on the MIL-STD-1553 bus. The message data is
captured and read by the host
Host Read CW1 (Command Word)
STR
Receive
Command
Data
Word 1
Data
Word 2
Data
Word 3
MIL-STD-1553 Bus
From Bus Controller
VALMESS
RCVCMDA/B
RCVA/B
FFEMPTY
The HI-6110 MT monitors a Broadcast RT to RT transfer
Command with 2 data words on the MIL-STD-1553 bus. The HI-
6110 MT captures the message data and the Status Word from
the transmitting RT. Note the behavior of the FFEMPTY signal
when the first data word is read, temporarily emptying the FIFO,
before message completion.
Example 8. Broadcast RT to RT Transfer
Host Read CW2 (Transmit Command)
Host Read CW1 (Receive Command)
Host Read Data FIFO (Data Word 1)
Host Read Status Word Received
Host Read Data FIFO (Data Word 2)
STR
Receive
Command
Transmit
Command
Status
Word 1
Data
Word 1
Data
Word 2
MIL-STD-1553 Bus
From Bus Controller
From transmitting RT
VALMESS
RCVCMDA/B
RCVA/B
FFEMPTY
The HI-6110 MT monitors a Broadcast Mode Command without
Data word on the MIL-STD-1553 bus. The Mode Command Word
is read by the host
Example 9. Broadcast Mode Code without Data Word
Host Reade CW1 (Command Word)
STR
Mode Code
MIL-STD-1553 Bus
Command
From Bus Controller
VALMESS
RCVA/B
FFEMPTY
HOLT INTEGRATED CIRCUITS
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