| 摘要 |
PROBLEM TO BE SOLVED: To transfer data at high speed between an encoding/decoding means 16 (or a modem 17) and a memory 5 without complicating a circuit configuration and without lowering the throughput of a CPU 1. SOLUTION: Data is transferred by a micro program started by the interruption of the CPU 1. A transfer request from the encoding/decoding means 16 is made to wait for prescribed time by converters 200a and 200b and it is outputted to the CPU as an interruption request signal.
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