摘要 |
A data transmission transceiver unit includes a flash ROM for storing a communication processing program, a CPU for controlling the entire signal processing in accordance with the communication processing program, a static RAM for temporarily storing the communication processing program, a signal processor for performing signal processing under the control of the CPU, a transceiver circuit, and a port for connecting the CPU to an external computer. The flash ROM stores an updating control program for controlling the CPU when updating the communication processing program.
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