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Microcomputer, electronic equipment and debugging system

  • US 7,114,101 B2
  • Filed: 12/02/2003
  • Issued: 09/26/2006
  • Est. Priority Date: 03/31/1998
  • Status: Expired due to Term
First Claim
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1. A microcomputer having an on-chip debugging function, comprising:

  • a central processing unit for executing instructions; and

    a first monitor section which performs data transfer to and from a second monitor section, determines a primitive command to be executed based on the receive data from said second monitor section, and performs processing for execution of the determined primitive command, a monitor program for executing a processing of said first monitor section is stored in a ROM, said second monitor section being provided outside said microcomputer and performing a processing to convert a debugging command into at least one primitive command in order to reduce the size of an instruction code for realizing the first monitor section or a scale of the first monitor section, and said primitive command includes a command for starting an execution of a user program, a command for writing data to an address on a memory map in a debugging mode and a command for reading data from the address on said memory map.

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