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7477 Datasheet(PDF) 67 Page - Renesas Technology Corp |
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7477 Datasheet(HTML) 67 Page - Renesas Technology Corp |
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67 / 354 page  HARDWARE 1.11 Interrupts 7470/7471/7477/7478 GROUP USER’S MANUAL 1-50 Figure 1.11.1 shows a block diagram of interrupt input and key-on wake up circuit. Fig. 1.11.1 Block diagram of interrupt input and key-on wake up circuit P33/CNTR1 P32/CNTR0 P30/INT0 P31/INT1 P07 P01 EG3 EG2 Port P33 data read circuit EG4 CNTR interrupt request signal Port P32 data read circuit CM7 EG0 1/2 1/2 XIN XCIN Port P30 data read circuit INT0 interrupt request signal Port P31 data read circuit INT1 interrupt request signal Noise elimination circuit CPU stop state signal Port P0 data read circuit EG1 EG5 P00 Pull-up control register Direction register Note: The 7470/7477 group is not provided with the Pull-up control register Direction register Pull-up control register Direction register Noise elimination circuit XCIN pin. |
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