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PIC24-Slide4

This slide highlights the difference between the 16-bit families. While a number of differences can be seen here, several of them, Package, Flash and RAM sizes are rather fluid and you can expect the families to push beyond their current boundaries. The key differentiators, performance, DSP instructions and operating voltage will be the primary drivers for your family selection. For an entry level 16-bit product on a budget, the PIC24F is an idea selection. If higher performance greater than 16 MIPS is required, the PIC24H would be an appropriate start. If your application can benefit from DSP instructions the dsPIC30 or dsPIC33 are your best choice. While motor control and voice applications tend to favor the dsPIC families it is helpful to remember that the DSP instruction can also be useful if your design contains any analog filtering. The dsPIC will often allow an analog low pass, high pass or band pass filter to be replaced by a software solution that eliminates external components, many of which are susceptible to age and temperature drift.

PTM Published on: 2011-10-28