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MCU-Slide10

The CPU then saves the data into RAM for a later operation. This is done for every byte of data received. If this data is coming in large amounts and at a fast rate, the CPU gets interrupted quite a bit and the overall CPU throughput suffers. On some CPUs, this is done for every Byte of data received, while others like the PIC24F implement a 5 deep buffer to reduce interrupts.

PTM Published on: 2011-11-03