In SX Microcontrollers, SX/B Compiler and SX-Key Tool, JonnyMac wrote:

I don't think that's going to help.  The #6 is loaded when the start bit is detected so that the next sample will be in about the middle of the first bit.  After than #4 is used because your use 4x oversampling (i.e., 4 ISRs per bit width).

The stop bit is really just a dead space before the next start bit -- this gives the receiver time to do something with the byte it just received.   If you tell Vixen to add an extra stop bit this just means you have an extra 26 microseconds before the next byte shows up and it has nothing to do with your bit sampling.

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