SH7040 Datasheet, PDF (683/923 Pages) Renesas Technology Corp – Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

18.4 Cautions on Use
For the I/O ports and pins with multiplexing of DREQ or IRQ, switching from the port input Low
level condition to IRQ or DREQ edge detection will detect the concerned edge.
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