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Programming 32-bit Microcontrollers in C by Lucio Di Jasio

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Day 8 Communication

The Plan

Except for the most basic embedded-control applications, it is very likely that you will soon find that your application needs to communicate with other more or less intelligent devices. They could be personal computers, sensors, displays, or other microcontrollers on the same board or remote. To reduce cost, you will be looking for a solution that uses a small number of pins and wires and that will steer your search in the direction of a serial communication interface.

In embedded control, communication is equally a matter of understanding the protocols as well as the characteristics of the physical media available. Learning to choose the right communication interface for the application can be as important as ...

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