This system is centering on 8031 monolithic machine , deploy the corresponding outer-ring interface circuit , use assembler language develop, a monolithic machine being composed of controls the multifunctional generator. Hardware wiring design includes tripartite content: The power source part designs that first; When two is that system expands , the function element being inside of monolithic machine satisfies (if ROM , I/O , capacities such as counter the regular time/ , interruption system) are unable application system call for, must carry out the appropriate chip of movie outside expansion, choice , design the appropriate circuit; Three are system deploy , are according to that the functional requirement deploys ancillary equipment, wait if the keyboard , D/A change. Application software in system has been but design that according to systematic functional requirement , has realized the systematic various functional requirement reliable.

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