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参数资料
| 型号： | BU-64703B3-190 |
| 厂商： | DATA DEVICE CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CBGA80 |
| 封装： | CERAMIC, BGA-80 |
| 文件页数： | 28/48页 |
| 文件大小： | 405K |
| 代理商： | BU-64703B3-190 |
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34
Data Device Corporation
www.ddc-web.com
BU-64703
D-03/06-0
TRANSMIT VECTOR WORD ( T/R = 1; 10000)
MESSAGE SEQUENCE = TRANSMIT VECTOR WORD + STATUS VECTOR WORD
The SSRT Mark3 transmits a Status Word followed by a vector word. The vector word is read from the external subsystem.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No Status response. Set Message Error bit (Status Word), High Word Count (BIT Word).
3. T/R bit Set to Zero. No Status response. Set Message Error bit (Status Word), and Low Word Count (BIT Word).
4. T/R bit Set to Zero plus one Data Word. The SSRT Mark3 will respond with Status
5. Zero T/R bit and Broadcast Address, no Data Word. No Status response. Set Message Error and Broadcast Command Received bits
(Status Word), and Low Word Count (BIT word).
6. Zero T/R bit and Broadcast Address, plus one Data Word. No Status response. Set Broadcast Command Received bits (Status Word)
7. Broadcast Address. No Status response. Set Message Error and Broadcast Command Received bits (Status Word),
Command Word Contents Error (BIT word).
SYNCHRONIZE WITH DATA WORD ( T/R = 0; 10001)
MESSAGE SEQUENCE = SYNCHRONIZE COMMAND/DATA WORD + STATUS
The SSRT Mark3 will write the received 16 bit data word to the external subsystem.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Correct Command Not Followed by Data Word. No Status response. Set Message Error bit (Status Word), Low Word Count (BIT Word)
3. Command Followed by too many Data Words. No Status response. Set Message Error bit (Status Word), High Word Count (BIT word).
4. Command T/R bit set to One followed by Data Word. No Status response. Set Message Error bit (Status Word), and
High Word Count (BIT Word).
5. Command T/R bit set to One not followed by Data Word. The SSRT Mark3 replies with Status plus one Data Word. The Data Word is read
from the subsystem (or single-word data block for subaddress 0000 or 1111).
6. Command T/R bit Set to One and Broadcast Address. No Status response. Set Message Error and Broadcast Command Received
bits (Status Word); Set Command Word Contents Error (BIT word).
RESERVED MODE CODES ( T/R = 1; 01001 - 01111)
MESSAGE SEQUENCE = RESERVED MODE COMMAND + STATUS
The SSRT Mark3 responds with status. If the command has been illegalized by means of the illegalization table, the Message Error Status Word
bit will be set.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No Status response. Set Message Error bit (Status Word), High Word Count (BIT Word).
3. T/R bit Set to Zero. No status response. Set Message Error bit (Status Word), Command Word Contents Error (BIT Word).
4. Zero T/R bit and Broadcast Address. No Status response. Set Message Error and Broadcast Command Received bits (Status word),
Command Word Contents Error (BIT Word).
RESET REMOTE TERMINAL ( T/R = 1; 01000)
MESSAGE SEQUENCE = RESET REMOTE TERMINAL + STATUS
The SSRT Mark3 responds with Status and internally resets. The Message Error and Broadcast Command Received bits of the internal Status
register are reset to 0. The internal BIT Word Register is reset to 0. If either of the 1553 transmitters has been shut down, the shutdown condition
is overridden. If the Terminal Flag bit has been inhibited, the inhibit is overridden.
If the command is received as a broadcast, the Broadcast Command Received bit is set and the Status Word is suppressed. Also, if the command
is received as a broadcast and the Terminal Flag bit had been set as a result of the Loopback test of the previous message, the Terminal Flag bit
is not reset to zero.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No Status response. Set Message Error bit (Status Word), High Word Count (BIT Word).
3. T/R bit Set to Zero. No status response. Set Message Error bit (Status Word), Command Word Contents Error (BIT Word).
4. Zero T/R bit and Broadcast Address. No Status response. Set Message Error and Broadcast Command Received bits (Status word),
Command Word Contents Error (BIT Word).
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