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M30280FAHP Datasheet(PDF) 10 Page - Renesas Technology Corp |
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M30280FAHP Datasheet(HTML) 10 Page - Renesas Technology Corp |
10 / 423 page A-3 9.2 Interrupts and Interrupt Vector ........................................................................................ 70 9.2.1 Fixed Vector Tables .................................................................................................. 70 9.2.2 Relocatable Vector Tables ........................................................................................ 71 9.3 Interrupt Control .............................................................................................................. 72 9.3.1 I Flag ........................................................................................................................ 75 9.3.2 IR Bit ........................................................................................................................ 75 9.3.3 ILVL2 to ILVL0 Bits and IPL ...................................................................................... 75 9.4 Interrupt Sequence ......................................................................................................... 76 9.4.1 Interrupt Response Time .......................................................................................... 77 9.4.2 Variation of IPL when Interrupt Request is Accepted ............................................... 77 9.4.3 Saving Registers ...................................................................................................... 78 9.4.4 Returning from an Interrupt Routine ......................................................................... 80 9.5 Interrupt Priority .............................................................................................................. 80 9.5.1 Interrupt Priority Resolution Circuit .......................................................................... 80 ______ 9.6 INT Interrupt ................................................................................................................... 82 ______ 9.7 NMI Interrupt ................................................................................................................... 83 9.8 Key Input Interrupt .......................................................................................................... 83 9.9 Address Match Interrupt ................................................................................................. 84 10. Watchdog Timer ...........................................................................................86 10.1 Count Source Protective Mode ..................................................................................... 87 11. DMAC ...........................................................................................................88 11.1 Transfer Cycles ............................................................................................................ 93 11.1.1 Effect of Source and Destination Addresses ......................................................... 93 11.1.2 Effect of Software Wait .......................................................................................... 93 11.2. DMA Transfer Cycles ................................................................................................... 95 11.3 DMA Enable .................................................................................................................. 96 11.4 DMA Request ................................................................................................................96 11.5 Channel Priority and DMA Transfer Timing .................................................................. 97 12. Timer ............................................................................................................98 12.1 Timer A ...................................................................................................................... 100 12.1.1 Timer Mode .......................................................................................................... 103 12.1.2 Event Counter Mode ............................................................................................ 104 12.1.3 One-shot Timer Mode .......................................................................................... 109 12.1.4 Pulse Width Modulation (PWM) Mode ................................................................. 111 |
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