Forum Discussion
Patrik78
New Contributor
3 years agoUART 16550 IP - Stick parity problem
Hello,
in my company we're facing a problem while using UART 16550 IP in stick parity mode: on LSR register we set SP=1, EPS=1, PEN=1 in order to use MARK_PARITY.
While in transmission everything...
ShengN_altera
Super Contributor
3 years agoHi @Patrik78 ,
Yes, this is the correct behavior for that IP. Check this document https://www.intel.com/content/www/us/en/docs/programmable/683130/22-3/lcr.html (image):
When even parity is selected (EPS = 1), the PARITY bit is transmitted and checked as cleared.
Thanks,
Best regards,
Sheng
p/s: If any answer from the community or Intel Support are helpful, please feel free to give best answer or rate 4/5 survey.