CT2581 Aeroflex Circuit Technology, CT2581 Datasheet - Page 6

• Manufacturer Part Number: CT2581
• Description: Ct2578 / Ct2581 Simple Remote Terminal For Mil-std-1553 / 1760 & Mcair
• Manufacturer: Aeroflex Circuit Technology

BC TO RT TRANSFER BROADCAST
NVCR
NHDR
NDATA
NCMDSTRB
NDATAST
T0-T15
1. Valid command word received, contents available on T0-T15 for illegalization purposes.
2. First valid data word (1760 header word) received, contents available on T0-T15 and stored in 32 word data memory.
3. Second valid data word received, contents available on T0-T15 and stored in 32 word data memory.
4. Last valid data word received, contents available on T0-T15 and stored in 32 word data memory. Status bits must be valid within 250nS.
5. NCMDSTRB indicates valid message received, command word available on T0-T15.
6. Data words transferred from 32 word data memory to subsystem at 500 nS per word.
RT TO RT TRANSFER BROADCAST (RECEIVING TERMINAL)
NVCR
NHDR
NDATA
NCMDSTRB
NDATAST
T0-T15
1. Valid receive command word received, contents available on T0-T15 for illegalization purposes.
2. Valid transmit command word received, contents available on T0-T15.
3. Status response of transmitting terminal received.
4. First valid data word (1760 header word) received, contents available on T0-T15 and stored in 32 word data memory.
5. Last valid data word received, contents available on T0-T15 and stored in 32 word data memory. Status bits must be valid within 250nS.
6. NCMDSTRB indicates valid message received, command word available on T0-T15 and stored in the 32 word command memory.
7. Data words transferred from 32 word data memory to subsystem at 500 nS per word.
MODE CODES WITHOUT DATA BROADCAST
NVCR
NRES/NSYNC
When applicable
T0-T15
1. Valid command word received, contents available on T0-T15 for illegalization purposes. Status must be valid within 600 nS.
2. Synchronise mode command, T0-T15 = 0.
DATA BUS
DATA BUS
DATA BUS
SCDCT2578 REV B 3/11/98
REC CMD
COMMAND
COMMAND
TRAN CMD
1
1
1
DATA
2
2
2
STATUS
DATA
6
3
3
DATA
DATA
4
DATA
4
5 6
5
6
7