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The Future in Microelectronics
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CIRCUIT TECHNOLOGY
APPLICATION NOTE #108
CT2577 / 79 SmaRT Series Users Guide
Point of Contact: John Vanchieri Tel: (516) 752-2484
APPLICATION NOTE #108
1
Released 9/98
Table of Contents
Contents
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
Page
Signal Descriptions...............................................................................................................................................3-7
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
Signal Descriptions
MIL-STD-1553 Bus Interface Signals
Data0(Bus) Connect to positive side of the external databus trans.