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UART i.MX6 9-bit mode. Receiver discard all characters until get a 9-bit on frame

Question asked by Jose Luis Zabalza on Jan 3, 2019
Latest reply on Jan 7, 2019 by igorpadykov


I am playing with i.MX6 9-Bit UART mode implementing a new device driver.

When I read the Reference Manual I thought I was in a mistake but now I have verified that is true.

The UART receiver discard all characters until it receive a frame with 9-bit on.

Can someone corroborate this behavior?

Is it possible change this behavior?

Does i.MX8 UART soc have the same behavior ? The reference manual is identical.


Thanks in advance.