| 摘要 |
<p>A data processor comprises a memory for storing programs and various data, an execution unit coupled to the memory to execute processing based upon the programs stored in the memory, a plurality of count registers carrying out a count operation at a predetermined interval, respectively and accessible by the execution unit, and a corresponding number of memory registers for temporarily storing a content of the corresponding count register, respectively. Further, a control circuit is provided for each of the memory registers to respond to a store instruction signal to the memory and a memory control signal from the execution unit for controlling an operation of the memory register storing the content of the count register.</p> |
