Processors/DSPs 
The power of flexible I/O pin mapping unleashed
Keywords: embedded systems real-time programming
[Summary of tips] Designers have options get around I/O line problems. The first is to use higher pin count MCUs where the I/O lines are de-multiplexed; or use additional devices such as multiplexers and extra glue logic.The third option is to implement one of the peripherals in software, such as bit-banging a UART through an I/O pin. With these......Please login or register with us to view this article>>
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