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usp:usp_spec [2012/12/04 19:32]
admin [Terminology]
usp:usp_spec [2012/12/04 19:52]
admin [Master -> Slave Command Format]
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 ^ Checksum Word (required) ​ |  Data  |  Data  |  Data  |  Checksum ​ | ^ Checksum Word (required) ​ |  Data  |  Data  |  Data  |  Checksum ​ |
  
-  *A command consists of two or more 32-bit words. The first 32-bit word is divided into 4 fields. The highest 8 bits (bits 31-24) identify the command. The next 16 bits (bits 23-8) is the Unit ID or Address. The next 8 bits specify the number of 32 bit words in the command including the first and last word. +  *A command consists of two or more 32-bit words. The first 32-bit word is divided into 4 fields. The highest 8 bits (bits 31-24) identify the command. The next 16 bits (bits 23-8) is the ModuleID-Hi and ModuleID-Lo. The next 8 bits specify the number of 32 bit words in the command including the first and last word. 
   *The command word is followed by optional 1 – N data words. The interpretation of data depends on command.   *The command word is followed by optional 1 – N data words. The interpretation of data depends on command.
   *The last word contains 3 bytes of data (bits 21-16) and simple additive checksum (bits 7-0).   *The last word contains 3 bytes of data (bits 21-16) and simple additive checksum (bits 7-0).
usp/usp_spec.txt · Last modified: 2015/04/16 16:27 (external edit)
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