hi-6110 Holt Integrated Circuits, Inc., hi-6110 Datasheet - Page 9

• Manufacturer Part Number: hi-6110
• Description: Bc / Rt / Mt Message Processor
• Manufacturer: Holt Integrated Circuits, Inc.

EXAMPLE BC MIL-STD-1553 MESSAGE SEQUENCES
Host Write CW1 (Receive Command)
Example 1. BC TO RT Transfer (BCRT message)
Example 2. RT TO BC Transfer (RTBC message)
Example 3. RT to RT Transfer (RTRT message)
Host Write CW2 (Transmit Command)
Host Write CW1 (Command Word)
MIL-STD-1553 Bus
MIL-STD-1553 Bus
MIL-STD-1553 Bus
Host Write Data FIFO (Data Word 1)
Host Write Data FIFO (Data Word 2)
Host Write CW1 (Command Word)
FFEMPTY
FFEMPTY
BCSTART
VALMESS
BCSTART
VALMESS
BCSTART
VALMESS
Host Write Data FIFO (Data Word 3)
STR
STR
STR
From HI-6110 Bus Controller
Command
Receive
HI-6110 (BUS CONTROLLER MODE)
From HI-6110 BC
Command
Command
Transmit
Receive
HOLT INTEGRATED CIRCUITS
Command
Transmit
From HI-6110 Bus Controller
Word 1
Data
Word (Tx)
9
Status
Word
Status
The HI-6110 Bus Controller issues a Receive Command with 3
data words to a Remote Terminal on the bus. The correct Status
Word is received.
The HI-6110 Bus Controller issues a Transmit Command
requiring a 2 data word response to a Remote Terminal on the
bus. The correct Status Word and 2 Data Words are received and
read by the host.
The HI-6110 Bus Controller issues an RT to RT transfer with 2
data words to two Remote Terminal on the bus. The RTs execute
the command and the Bus Controller validates the RT responses.
Note that the data transferred is captured by the HI-6110 Bus
Controller and may be read by the host.
From Transmitting RT
Word 2
Data
From RT
Word 1
Host Read SW1 (Status Word)
Data
Word 1
Data
Host Read Data FIFO (Data Word 1)
Host Read Data FIFO (Data Word 2)
Word 3
Data
Word 2
Host Read SW1 (Status Word)
Word 2
Data
Data
Host Read SW1 (Status Word Rx)
Host Read SW2 (Status Word Tx)
Host Read Data FIFO (Data Word 1)
From Receiving RT
From RT
Host Read Data FIFO (Data Word 2)
Status
Word
Word (Rx)
Status