HI-6110 (REMOTE TERMINAL MODE)
EXAMPLE RT MIL-STD-1553 MESSAGE SEQUENCES
Example 1. BC TO RT Transfer
The HI-6110 RT receives a Receive Command with 3 data words
from the MIL-STD-1553 bus. The HI-6110 captures the message
data words and outputs a status word.
Host Read Data FIFO (Data Word 3)
Host Read Data FIFO (Data Word 2)
Host Read Data FIFO (Data Word 1)
Host Read and Decode Message
Host Change Bus if required
Host Write SW (Status Word), Optional
STR
Receive
Command
Data
Word 1
Data
Word 2
Data
Word 3
Status
Word
MIL-STD-1553 Bus
From MIL-STD-1553 bus
From HI-6110 RT
VALMESS
RCVCMDA/B
RCVA/B
FFEMPTY
Example 2. RT TO BC Transfer
The HI-6110 RT receives a Transmit Command with 2 data words
from the MIL-STD-1553 bus. The host controller HI-6110 RT
reads the Command Word to determine number of data words,
and updates the Status Word register and the requested number
of data words.
Host Write Data FIFO (Data Word 2)
Host Write Data FIFO (Data Word 1)
Host Write SW (Status Word), Optional
Host Read CW1 (Command Word)
Host Read and Decode Message Register
STR
Transmit
MIL-STD-1553 Bus
Command
Status
Word
Data
Word 1
Data
Word 2
From MIL-STD-1553 bus
From HI-6110 RT
VALMESS
RCVA/B
FFEMPTY
The HI-6110 RT receives an RT to RT transfer with 2 data words
Example 3. RT to RT Transfer,
HI-6110 is the transmitting RT
command from the MIL-STD-1553 bus. In this case, the HI-6110
is the transmitting RT. The HI-6110 issues the necessary Status
Word and Data Words, and monitors the acknowledging Status
Word from the receiving RT.
Host Write Data FIFO (Data Word 1)
Host Write SW (Status Word), Optional
Host Read CW2 (Transmit Command)
Host Read SWR (Status Word Received)
Host Write Data FIFO (Data Word 2)
Host Read and Decode Message Register
STR
Receive
Command
Transmit
Command
Status
Word 1
Data
Word 1
Data
Word 2
Status
Word 2
MIL-STD-1553 Bus
From MIL-STD-1553 bus
From HI-6110 RT
From Receiving RT
VALMESS
RCVA/B
FFEMPTY
HOLT INTEGRATED CIRCUITS
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HOLTIC [ HOLT INTEGRATED CIRCUITS ]
