CT2577 Aeroflex Circuit Technology, CT2577 Datasheet
CT2577
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CT2577 Summary of contents
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... South Service Road Plainview, NY 11803 · TEL: 516 694-6700 FAX: 516 694-6715 APPLICATION NOTE #108 APPLICATION NOTE #108 Point of Contact: John Vanchieri Tel: (516) 752-2484 1 The Future in Microelectronics CT2577 / 79 SmaRT Series Users Guide Released 9/98 ...
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... 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 (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 ...
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MIL-STD-1553 Bus Interface Signals Data0(Bus) Connect to positive side of the external databus transformer for Bus 0 Ndata0(Bus) Connect to negative side of the external databus transformer for Bus 0 Data1(Bus) Connect to positive side of the external databus transformer ...
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ENABLES the checksum circuitry. "1" input to this pin Disables the checksum circuitry. NVALCHK Latched version of the STATUS ...
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DATA0-15 16 bit bidirectional data highway access to internal RAM and registers. When in 8 bit mode only DATA 0-7 are used. Data inputs / outputs are inverted when the Multibus interface is selected. NACK After a write / read ...
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Multibus Mode:Write strobe for a data transfer 0 = Write data FROM the Subsystem TO the Device 1 = Tri-state the Data0-15 bus RT Status Word Discrete Inputs The following signals are inputs to set the appropriate bits in the ...
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NSYNC Signal to subsystem indicating receipt of a Synchronize mode commands If the mode code has an associated data word, it will be available on T0-T15 at this time. If there is no associated data word, T0-T15 will be zero. ...
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Remote Terminal (RT) Mode SEQUENCE OF OPERATION The following section describes the sequence of operation for the various commands that are received by the SmaRT unit in RT Mode. RECEIVE COMMAND An incoming command word is verified for all protocol ...
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Command/Status FIFO will only store commands that have associated data with it. MESSAGE ILLEGALIZATION Any message can be illegalized by applying an active low on the NME signal within 600 nSec of the rising edge ...
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SIGNALS THAT INDICATE CHECKSUM FAILURE For 1760 applications, the STATUS line indicates if a message has failed checksum. The STATUS line will toggle up or down for each received data word calculating the checksum and is sampled ...
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The user accesses the same locations as if they would if they were directly accessing the main RAM. The block transfer logic is enabled with signal NENBTL (pin A7) being active ...
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Once the burst transfer has commenced it will complete, thus ensuring data consistency. DMA TRANSFER TIMES The DMA cycle transfers words from the FIFO to internal RAM at a rate of one word each 1 µSec. The maximum DMA ...
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The read/write operation must be completed within the remaining 8 µSec read/write operation starts after the NCMDSTRB strobe has begun, the NACK will not occur and thus hold off the subsystem for the ...
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BLOCK TRANSFER LOGIC / DMA TRANSFER TIMES All reads and writes to the BTL are identical to read / write to the main RAM. The address locations are the same. The only difference is that the BTL circuitry will intercept ...
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BTL buffer memory is full). If the BTL memory is not fully loaded, the subsystem can continue to load the BTL memory until full (write to 00 indicates a full condition). When the 1553 is ...
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... MEMPOINT = LOWER 11 BITS OF THE COMMAND WORD REM * REM * T/R_BIT = BIT #10 OF THE COMMAND WORD REM * REM * APPLICATION NOTE #108 0 = EMPTY (NO Command WORDS IN FIFO HAVE COMMAND WORDS IN FIFO This signal is derived from NEMPTY on the CT2577 MODE MODE INDICATES HOW MANY DATA WORDS 16 Released 9/98 ...
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... REM * REM * REM ******************************************************************************************* REM******************************************************************************************** REM ************ INITIALIZATION ROUTINE *********************************************** REM ******************************************************************************************* INIT: DEFINT A-Z OUT 1, 400(h) "WRITE TO THIS ADDRESS TO SET CT2577 INTO RT MODE INPUT MODE, XX(h) "READ PIN BCNRT FROM THE CT2577 DIM DATA(32) REM ****************************************************************************************** REM ****************************************************************************************** REM ************ DETECT COMMAND ROUTINE **************************************** REM ****************************************************************************************** DETECT: IF NCMDEMPTY = 1 THEN CMDWORD = INPUT(OOh) MEMPOINT = CMDWORD & ...
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DATA(J) = XXXX ;LOAD IN DATA FOR TRANSMIT NEXT J GOTO TRANSMIT END IF GOTO END REM *********************************************************************************************** REM *** ROUTINE TO LOAD DATA INTO RAM FROM PROCESSOR ************************* REM *********************************************************************************************** TRANSMIT: FOR WORDCNT OUTPUT DATA(I), ...
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SELF TEST The self test feature is an internal and external loop back test for additional verification of functionality. This is in addition to the Remote Terminal Wraparound circuitry. The difference is that this test is manual and under subsystem ...
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The self test data word is read from the appropriate RAM location, transferred to the encoder and transmitted contiguously following the command word. c) The Command word is received by the Manchester decoder, if valid and with correct RT ...
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SUMMARY OF OPERATION Device can be either RT or BC. 1. ADDR = (Write) OR ADDR = (Write) 2. ADDR = (Write) OR ADDR = (Write) 3. ADDR ...
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... CT2577 /79 RT/BC Device Memory Map Breakdown The following description is for devices that have internal 3K memory. ALL 'User' Locations are Read/Writable 000 0000 001 0002 APPLICATION NOTE #108 BCST (Binary) T/R (Binary) Subaddress (Hex) Word Count (Hex) Composite VME Address 16-bit mode (Hex) ...
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RT/BC Device Memory Map Code Breakdown Descriptions RT STATUS WORD Control Sets 001 0002 002 0004 003 0006 004 0008 ...
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07F 00FE 080 0100 09F 013E 0A0 0140 0BF 017E 0C0 0180 ...
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RT/RX BC/TX Mode Area ...
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RT Transmit / BC Receive Subaddresses - SA 01-1E (1-30 420 0840 424 0848 43F 087E 440 0880 45F ...
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6FF 0DFE 700 0E00 71F 0E3E 720 0E40 73F 0E7E 740 0E80 ...
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860 10C0 87F 10FE 880 1100 89F 113E 8A0 1140 8BF 117E ...
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B7F 16FE B80 1700 B9F 173E BA0 1740 BBF 177E BC0 1780 ...
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... CT2577 / 79 Part Ordering APPLICATION NOTE #108 Information 30 Released 9/98 ...
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... CT2577 - Mil-Std 1553 / 1760 Bus Controller/Remote CT2577- XX- YY- ZZ APPLICATION NOTE #108 Terminal 119 Pin PGA Pin Quad Flatpack QM = Full Mil 883C Screened Part (- Extended Temperature Range (- Industrial Temperature Range (- Commercial Grade ( Function Selection ...
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CT2578 - Mil-Std 1553 / 1760 Bus Remote Terminal Only CT2578- XX- YY- ZZ APPLICATION NOTE #108 119 Pin PGA Pin Quad Flatpack QM = Full Mil 883C Screened Part ...
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CT2579 - McAir Bus Remote Controller/Remote Terminal CT2579- XX- YY- ZZ APPLICATION NOTE #108 119 Pin PGA Pin Quad Flatpack QM = Full Mil 883C Screened Part (- ...
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CT2580 - McAir Bus Remote Terminal Only CT2580- XX- YY- ZZ APPLICATION NOTE #108 119 Pin PGA Pin Quad Flatpack QM = Full Mil 883C Screened Part (- ...
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... CT2577 / 79 Pinouts APPLICATION NOTE #108 35 Released 9/98 ...
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... CT2577-01-xx-F84 Pinouts – 84 Pin Quad Flatpack Pin # APPLICATION NOTE #108 Description Pin # ADIN 11 43 ADIN 10 44 ADIN 09 45 BCNRT ...
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... CT2577-11-xx-F84 Pinouts – 84 Pin Quad Flatpack Pin # APPLICATION NOTE #108 Description Pin # ADIN 11 43 ADIN 10 44 ADIN 09 45 BCNRT ...
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CT2579-01-xx-F84 Pinouts – 84 Pin Quad Flatpack Pin # ...
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CT2579-11-xx-F84 Pinouts – 84 Pin Quad Flatpack Pin # ...
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... CT2577-10-xx-P119 Pinouts – 119 Pin Grid Array Pin # Description A1 VME N/C A6 N/C A7 NENBTL A8 DATA 15 A9 DATA 1(BUS) A10 T 7 A11 T 6 A12 DATA 12 A13 ADIN N/C B4 N/C B5 N/C B6 N/C B7 VSS B8 NFULL B9 N/C B10 DATA 13 B11 T 4 B12 ...
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CT2579-10-xx-P119 Pinouts – 119 Pin Grid Array Pin # Description A1 VME N/C A6 N/C A7 NENBTL A8 DATA 15 A9 DATA 1(BUS) A10 T 7 A11 T 6 A12 ...