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What processes should be performed when I/O status receive errors?

Latest Updated:06/06/2007

Question:

(Serial Interface)  What recovery processes should be performed when serial I/O status register receive errors are generated? [2007/06/06]

Answer:

When receive errors occur, clear each of the error flags and perform recovery processing.
Procedure is as follows:

Clear all error flags by writing to the serial I/O status register or by setting the serial I/O enable bit to "0".
    ↓
Reset both the transmitting and receiving circuits by setting the transmit and receive enable bits to "0".
    ↓
Reconfigure the serial I/O control register.

(#106723)

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