CT2577 Datasheet, PDF (2/41 Pages) Aeroflex Circuit Technology – APPLICATION NOTE 108

Table of Contents
Contents
Page
Signal Descriptions...............................................................................................................................................3-7
MIL-STD-1553 Bus Interface Signals
Hard Wired Interface Signals
MIL-STD-1760 Signals
Bus Interface Signals
RT Status Word Discrete Inputs
RT Discrete Signals
BC Discrete Signals
Remote Terminal (RT) Mode.............................................................................................................................8-21
Sequence of Operation
Receive Command
Message Illegalization
MIL-STD-1760 Features
1760 Header Word
Signals that Indicate Checksum Failure
Block Transfer Logic
READ (Receive)
DMA Transfer Times
Transmit Command
MIL-STD-1760 Features
Signals that Indicate Checksum Failure
Block Transfer Logic / DMA Transfer Times
WRITE
Changing the Status Word Bits
Device Status
Bit Register
Data Storage and Retrieval in Ram
Sample Software Code
Retriving or Loading Data to Ram
Self Test
Basic Operation
Detailed Operation
Summary of Operation
CT2577/79 RT/BT Memory Map Breakdown .................................................................................................. 22
RT/BT Device Memory Map Code Breakdown Description.....................................................................23-29
RT Status Word Control Sets
BC Control Area
RT/RX BC/TX Mode Area 00 - SA 00 (0) and BC Control
30 RT Receive / BC Transmit Subaddresses - SA 01-1E (1-30)
RT/RX BC/TX Mode Area - SA 1F (31)
RT/BC Control Area
RT/BC Block Transfer Logic (BTL) Control and Self Test Control
RT/TX BC/RX Mode Area - SA 00 (0)
30 RT Transmit / BC Receive Subaddresses -SA 01-1E (1-30)
RT/TX BC/RX Mode Area - SA 1F (31)
Broadcast RT/RX BC/TX Mode Area - SA 00 (0)
30 Broadcast RT Receive / BC Transmit Subaddresses - SA 01-1E (1-30)
Broadcast RT/RX BC/TX Mode Area 1F - SA 1F (31)
CT2577/79 Part Ordering Information .........................................................................................................30-34
CT2577 - MIL-STD-1553 / 1760 Bus Controller / Remote Terminal
CT2579 - McAir Bus Controller / Remote Terminal
CT2577/79 Pinouts...........................................................................................................................................35-41
CT2577-01-xx-F84 - 84 pin Quad Flatpack
CT2577-11-xx-F84 - 84 pin Quad Flatpack
CT2579-01-xx-F84 - 84 pin Quad Flatpack
CT2579-11-xx-F84 - 84 pin Quad Flatpack
CT2577-10-xx-P119 - 110 Pin Grid Array
CT2579-10-xx-P119 - 110 Pin Grid Array
APPLICATION NOTE #108
2
Released 9/98