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For the second installment in the 32 vs 8 bit MCU series I will get a little more technical here and talk about processing power, interrupt latency, pointer efficiency and pointer ease of use. The two architectures that I am very familiar with are the 8051 on the 8 bit and ARM on the 32 bit.  Because of this, the comparisons I make will be based on those architectures.  There are many others out there like PIC with its modified Harvard architecture as well as other RISCs but my breath ...
When beginning a project that you know will contain an MCU there are so many options that it may be overwhelming.  One of the biggest questions is what size MCU should you use?  I will release a series of articles that will shed some light on this issue faced by so many designers and developers. Uncovering the differences and architectures The 2 ends of the scale for bit size of microcontrollers are 8 bit and 32 bit. Bit size in this case means that the MCU processes an 8 or 32 bi ...

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