NEC PD78214 User Manual
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Chapter 6 Real-Time Output Function
6
(4) With an in-circuit emulator, digital noise cannot be eliminated normally from the INTP0 pin. When it is
specified that data transfer from the buffer register to the output latch be performed according to a signal from
the INTP0 pin, data transfer may occur according to an erroneously detected edge. Keep in mind this
characteristic when using the in-circuit emulator.
See the notes in Chapter 11 for details of erroneous detection of edges.