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UPD17708 Datasheet(PDF) 75 Page - NEC |
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UPD17708 Datasheet(HTML) 75 Page - NEC |
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75 / 356 page ![]() 75 µPD17704, 17705, 17707, 17708, 17709 Table 8-1. Peripheral Hardware Control Functions of Control Registers (6/8) Peripheral Control Register Peripheral Hardware Control Function At Reset Clock Hardware Name Address Read/ Function Set value Power- WDT CE Stop Write Symbol ON & SP reset 01 reset reset Interrupt Serial interface 0 35H R/W 0 Fixed to “0” 0 0 Retained Retained interrupt request 0 0 IRQSIO0 Detects serial interface 0 No interrupt request Interrupt request interrupt request Timer 3 interrupt 36H R/W 0 Fixed to “0” 0 0 Retained Retained request 0 0 IRQTM3 Detects timer 3 interrupt request No interrupt request Interrupt request Timer 2 interrupt 37H R/W 0 Fixed to “0” 0 0 Retained Retained request 0 0 IRQTM2 Detects timer 2 interrupt request No interrupt request Interrupt request Timer 1 interrupt 38H R/W 0 Fixed to “0” 0 0 Retained Retained request 0 0 IRQTM1 Detects timer 1 interrupt request No interrupt request Interrupt request Timer 0 interrupt 39H R/W 0 Fixed to “0” 0 0 Retained Retained request 0 0 IRQTM0 Detects timer 0 interrupt request No interrupt request Interrupt request INT4 pin interrupt 3AH R/W INT4 Detects INT4 pin status Low level High level UUUU request 0 Fixed to “0” 0 0 Retained Retained 0 IRQ4 Detects INT4 pin interrupt request No interrupt request Interrupt request INT3 pin interrupt 3BH R/W INT3 Detects INT3 pin status Low level High level UUUU request 0 Fixed to “0” 0 0 Retained Retained 0 IRQ3 Detects INT3 pin interrupt request No interrupt request Interrupt request INT2 pin interrupt 3CH R/W INT2 Detects INT2 pin status Low level High level UUUU request 0 Fixed to “0” 0 0 Retained Retained 0 IRQ2 Detects INT2 pin interrupt request No interrupt request Interrupt request INT1 pin interrupt 3DH R/W INT1 Detects INT1 pin status Low level High level UUUU request 0 Fixed to “0” 0 0 Retained Retained 0 IRQ1 Detects INT1 pin interrupt request No interrupt request Interrupt request U: Undefined b3 b2 b1 b0 |
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