9.2.1 Fixed Vector Tables .................................................................................................. 70
9.3 Interrupt Control .............................................................................................................. 72
9.3.1 I Flag ........................................................................................................................ 75
9.3.2 IR Bit ........................................................................................................................ 75
9.4 Interrupt Sequence ......................................................................................................... 76
9.4.3 Saving Registers ...................................................................................................... 78
9.5 Interrupt Priority .............................................................................................................. 80
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9.6 INT Interrupt ................................................................................................................... 82
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9.7 NMI Interrupt ................................................................................................................... 83
9.8 Key Input Interrupt .......................................................................................................... 83
10. Watchdog Timer ...........................................................................................86
11. DMAC ...........................................................................................................88
11.1 Transfer Cycles ............................................................................................................ 93
11.2. DMA Transfer Cycles ................................................................................................... 95
11.3 DMA Enable .................................................................................................................. 96
11.4 DMA Request ................................................................................................................ 96
12. Timer ............................................................................................................98
12.1 Timer A ...................................................................................................................... 100
12.1.1 Timer Mode .......................................................................................................... 103
A-3