Microcomputer, electronic equipment and debugging system

Details Microcomputer, electronic equipment and debugging system Microcomputer, electronic equipment and debugging system

2006-09-26

2006-09-26

Bonzo, Bryce P. (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C703S028000

Reexamination Certificate

active

07114101

ABSTRACT:
An object is to provide a microcomputer, electronic instrument and debugging system which can realize an on-chip debugging function through a reduced size of instruction code or a reduced circuit scale. A main monitor section (16) converts a debugging command into a primitive command. A mini monitor section (14) transfers data to and from the main monitor section (16) to execute a primitive command determined based on the receive data. The primitive commands include go, write and read commands. A control register having its address allocated on a memory map in the debugging mode is provided together with a mini monitor RAM. The mini monitor section (14) serving as a slave is connected to the main monitor section (16) serving as a master through a half-duplex bidirectional communication line so that transfer data can be fixed-length. The receive data includes a command identifying data. A mini monitor program has been stored in a ROM. The mini monitor section (14) and main monitor section (16) use a clock in common to generate a sampling clock while transferring data in the start-stop synchronization.

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