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The dsPIC33F family supports more interrupts. In fact, the size of the interrupt vector table is doubled, providing a total of 118 available interrupts. Like dsPIC30, all interrupts may be individually enabled and assigned to one of seven priority levels. Also like dsPIC30, interrupts can be directed to vector through an Alternate interrupt vector table. Because the interrupt vector tables are now twice as large, users should note that the first instruction of user code starts at program address hex 200 on dspic33 devices rather than hex 100 as on dsPIC30 devices.
PTM Published on: 2011-11-07
