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7733 データシート(PDF) 77 Page - Renesas Technology Corp |
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7733 データシート(HTML) 77 Page - Renesas Technology Corp |
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77 / 940 page  7733 Group User’s Manual 3–8 PROGRAMMABLE I/O PORTS 3.3 Pull-up function ___ ___ 3.3.1 Pull-up function for ports P54 to P57 (KI0 to KI3) ___ ___ Ports P54 to P57 (KI0 to KI3) can be pulled high by setting the port P5 pull-up selection bit (bit 6 at address 6D16). Figure 3.3.1 shows the structure of the port function control register. When pulling ports P54 to P57 high, clear bits 4 to 7 at address D16 (Port P5 direction register) to “0.” ____ ____ 3.3.2 Pull-up function for ports P62 to P64 (INT0 to INT2) ____ ____ Ports P62 and P63 (INT0 and INT1) can be pulled high by setting the port P6 pull-up selection bit 0 (bit 3 ____ at address 6D16). Port P64 (INT2) can be pulled high by setting the port P6 pull-up selection bit 1 (bit 5 at address 6D16). Figure 3.3.1 shows the structure of the port function control register. When pulling ports P62 to P64 high, clear bits 2 to 4 at address 1016 (port P6 direction register) to “0.” 3.3 Pull-up function |
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