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SH79F166AP/044PR Datasheet(PDF) 56 Page - SINOWEALTH Electronic Ltd |
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SH79F166AP/044PR Datasheet(HTML) 56 Page - SINOWEALTH Electronic Ltd |
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56 / 113 page  SH79F166A 56 Table 7.42 External Interrupt Flag Register E8H, Bank0 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 EXF0 IT4.1 IT4.0 IT3.1 IT3.0 IT2.1 IT2.0 IE3 IE2 R/W R/W R/W R/W R/W R/W R/W R/W R/W Reset Value (POR/WDT/LVR/PIN) 0 0 0 0 0 0 0 0 Bit Number Bit Mnemonic Description 7-6 IT4[1:0] External interrupt4 trigger mode selection bit 00: Low Level trigger 01: Trigger on falling edge 10: Trigger on rising edge 11: Trigger on both edge IT4 [1:0] is effect on external interrupt 4x at the same mode 5-4 IT3[1:0] External interrupt3 trigger mode selection bit 00: Low Level trigger 01: Trigger on falling edge 10: Trigger on rising edge 11: Trigger on both edge 3-2 IT2[1:0] External interrupt2 trigger mode selection bit 00: Low Level trigger 01: Trigger on falling edge 10: Trigger on rising edge 11: Trigger on both edge 1 IE3 External interrupt3 request flag bit 0: No interrupt pending 1: Interrupt is pending 0 IE2 External interrupt2 request flag bit 0: No interrupt pending 1: Interrupt is pending Table 7.43 External Interrupt Flag Register1 D8H, Bank0 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 EXF1 - - - - IF43 IF42 IF41 IF40 R/W - - - - R/W R/W R/W R/W Reset Value (POR/WDT/LVR/PIN) - - - - 0 0 0 0 Bit Number Bit Mnemonic Description 3-0 IF4x (x = 3-0) External interrupt4 request flag bit 0: No interrupt pending 1: Interrupt is pending IF4x is cleared by software |
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