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Altera_Forum
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19 years ago

changing uart stop and start bit

Hey guys If I want to change the start bit to '0' instead of '1'. And if I want to change the 2 stop bits to 'ones' instead of 'zeroes' how can this be done? ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

--- Quote Start ---

originally posted by imagine@Mar 16 2006, 11:34 PM

if i want to change the start bit to '0' instead of '1'.

and if i want to change the 2 stop bits to 'ones' instead of 'zeroes'

how can this be done?

--- Quote End ---

Hi imagine,

Why do this? If the start bit were '1' (ie. Mark), then the receiver would be unable to sense a Mark-to-Space transition, identifying the start of the word. How would the sender and receiver clocks be synchronized? Can you give more explanation?