| 摘要 |
A transceiver module includes a transceiver (PHY IC) having a status register and a control register to which whether or not to generate a status signal is set according to the cause of an error, and a DCU having registers which emulate the status and control registers. The PHY IC generates an Unmask signal specifying an error which occurs irrespective of the cause of the error, and outputs it to the DCU. The DCU writes the contents of the status register into a DCU status register as well as the host of the error based on the Unmask signal.
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