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What is the right timing for PER detection?

Latest Updated:04/07/2011

Question:

What is the right timing for parity error (PER) detection, at parity bit reception or at stop bit reception?

Answer:

The parity error bit (PER) will be set at reception of the stop bit.
This is the same timing as that of flaming error shown in Figure "Example of Operation for Reception in Clock Synchronous Mode" (8-bit data/parity/1 stop bit example) in the hardware manual.

 

Suitable Products
H8S Family
H8SX Family