CT2565-001-1 AEROFLEX [Aeroflex Circuit Technology], CT2565-001-1 Datasheet - Page 6

• Manufacturer Part Number: CT2565-001-1
• Description: CT2565 Bus Controller, Remote Terminal and BUS Monitor FOR MIL-STD-1553B
• Manufacturer: AEROFLEX [Aeroflex Circuit Technology]

Aeroflex Circuit Technology
CONTROL & COMMAND WORDS
Notes:
(1) Steps marked with " _ _ _" indicates operation is transparent to user.
(2) Steps marked with " ___" indicates user interaction required.
INCREMENT MEM ADDR
START BC OPERATION
CMD WORD TO 1553
CMD WORD TO 1553
COMMAND WORD
CONTROL WORD
MEMORY READ
MEMORY READ
HANDSHAKE
HANDSHAKE
FROM SSIU
FROM SSIU
OUTPUT
(DMA)
(DMA)
A
Figure 3 – BC Message Transfer Flow
TIMEOUT
MSGERR
NO
NO
INCREMENT MEM ADDR
MEMORY WRITE
MEMORY WRITE
STATUS WORD
SHORT LOOP
HANDSHAKE
HANDSHAKE
LONG LOOP
DATA WORD
6
STATERR
TO SSIU
TO SSIU
STATUS
STATUS
FROM
(DMA)
FROM
(DMA)
MORE
DATA
NO
RT
RT
NO
YES
YES
END OF MESSAGE PULSE
DATA WORDS
CMD
STOP
YES
RX
A
INCREMENT MEM ADDR
MEMORY WRITE
MEMORY READ
STATUS WORD
DATA TO 1553
SHORT LOOP
HANDSHAKE
DATA WORD
LONG LOOP
FROM SSIU
STATERR
TO SSIU
STATUS
SCDCT2565 REV B 8/10/99 Plainview NY [phone]
(DMA)
MORE
FROM
DATA
YES
RT
NO
YES
YES
NO
TIMEOUT
MSGERR