CT2581 Aeroflex Circuit Technology, CT2581 Datasheet - Page 15

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

RESERVED MODE CODES (16-1F)
The status is not cleared or loaded before it is transmitted with the
message error bit set.
If the command was a broadcast the status transmission will be
suppressed and the broadcast bit in the status register set.
RESVD
1. Invalid command.
2. Command not followed
3. Command followed by
4. T/R bit of command set
5. T/R bit of command set
RESVD
T/R=1
1. Invalid command.
2. Command followed by
T/R=0
3. Invalid command.
4. Command not followed
5. Command followed by
T/R=1
T/R=0
contiguously by data
word
too many words.
to one.
to one and broadcast
address
another word.
contiguously by data
word.
too many data words.
Error Conditions
Error Conditions
SCDCT2578 REV B 3/11/98
*
DATA
STATUS
*
STATUS
No response.
Command ignored.
No status response.
Set message error.
Sequence terminated.
No status response.
Set message error.
Sequence terminated
No status response.
Set message error.
Sequence terminated.
No status response.
Set message error.
Set broadcast.
Sequence terminated.
No response.
Command ignored.
No status response.
Set message error.
Sequence terminated.
No response.
Command ignored.
No status response.
Set message error.
Sequence terminated.
No status response.
Set message error.
Sequence terminated.
Action taken by device
Action taken by device
15
DETAILED TIMING
1. NVCR pulse duration
2. NVCR to T0-T15 valid
3. NVCR to T0-T15 invalid
4. NVCR to discrete status inputs (not rec)
5. NDATA & NHDR pulse duration
6. T0-T15 valid to NDATA & NHDR
7. NDATA & NHDR to T0-T15 invalid 250
8. Last NDATA to discrete status inputs (rec)
1. C1MHZ to NCMDSTRB
2. NCMDSTRB duration
3. T0-T15 valid to NCMDSTRB
4. NCMDSTRB to T0-T15 invalid
T0-T15
NHDR
T0-T15
C1MHZ
T0-T15
C1MHZ
T0-T15
NVCR
STATUS
NDATA
STATUS
NCMDSTRB
NCMDSTRB
NSSTRB
1
2
6
1
3
5
1
3
5
2
2
3
7
8
4
MIN
8475
100
100
250
MIN MAX UNIT
1
500
250
475
250
MAX UNIT
75
8525
650
600
525
250
nS
4
6
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS