HD64F7045F28V Datasheet, PDF (685/925 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7040 Series

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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