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NEC uPD78056Y User Manual

Page 476

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476

CHAPTER 19 SERIAL INTERFACE CHANNEL 2

[Example]

Occurrence of INTSER

EI

Main processing

7 clocks of CPU clock (MIN.)

(time from interrupt request to servicing)

Instructions
equivalent to
2205 CPU
clocks (MIN.)
are necessary.

MOV A, RXB

RETI

UART reception error interrupt
(INTSER) servicing