CT2566 Aeroflex Circuit Technology, CT2566 Datasheet - Page 17

• Manufacturer Part Number: CT2566
• Description: CT2566 MIL-STD-1553 to Microprocessor Interface Unit
• Manufacturer: Aeroflex Circuit Technology

tables below and the appropriate definitions are repeated with each diagram.
Aeroflex Circuit Technology
* The Stack Pointer is loaded into an internal Address
Register upon receipt of a Controller Start command. This
location is overwritten by data once monitor operation
begins.
CT2566 Timing Clock in at 12 MHz
HEX ADDRESS
Figures 21 through 37 illustrate the timing for the CT2566 and its operation. All timing definitions are listed in the
SYMBOL
0000
0001
0002
0003
0004
0005
0006
0007
0008
0100
0104
FFFF
td10
td1
td2
td3
td4
td5
td6
td7
td8
td9
•
•
•
•
DESCRIPTION
READYD low delay (CPU Handshake)
IOEN high delay (CPU Handshake)
CPU MEMWR low delay
CPU MEMOE low delay
EXTLD low delay
RESET low delay
Internal Register delay (read)
Internal Register delay (write)
Register Data/Address set-up time
Register Data/Address hold time
First Received 1553 Word
First Identification Word
Second Received 1553 Word
Second Identification Word
Stack Pointer A (Fixed location)*
Stack Pointer B
Word stored at FFFF will be followed by
the word stored at 0000.
•
•
•
•
•
•
•
•
•
Table 5 – Typical MT memory map (4K memory)
FUNCTION
Delay Timing
17
MODE CODES
systems are recognized by the CT2566. Mode
codes can be illegalized by the 1553 BC or
RTU device. Refer to the CT2565 or CT2512
data sheets for more information.
All mode codes applicable to dual redundant
SCDCT2566 REV B 8/10/99 Plainview NY [phone]
MIN
-
-
-
-
-
-
-
-
-
-
MAX
200
120
115
130
20
30
60
60
40
0
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns