| 摘要 |
PURPOSE: The main processor(CPU) controller communicated with the serial chip is provided to improve the system speed by performing the other function while the main processor waits the next record of the data. CONSTITUTION: The main processor controller communicated with the serial chip comprises a CPU(10), a serial/parallel conversion part(20), and an interface chip(30). The serial/parallel conversion part converts the parallel data, which is certificated in the CPU, into the serial data, and records to the interface chip. The serial/parallel conversion part converts the serial data, which is accessed to the interface chip, into the parallel data. The serial/parallel conversion part generates the interrupt signal by counting the time of one cycle during the record of the data and the operation of the access progress.
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