Interrupt Function - Fujitsu F2MC-16LX Hardware Manual

16-bit microcontroller mb90330 series

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CHAPTER 20 EXTENDED I/O SERIAL INTERFACE

Interrupt Function

Extended I/O serial interface can generate the interrupt request to the CPU.

Interruption Function of Extended I/O Serial Interface

Upon completion of data transfer, SIR bit indicating an interrupt flag is set, and when SIE bit of the SMCS

enabling interrupts is "1", the interrupt request is output to the CPU.

Figure 20.3-9 shows the output timing of interrupt signal.

RD/WR of SDR

Figure 20.3-9 Output Timing of Interruption Signal

(Transfer complete)