Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Error probability UART RS232

Hello everyone, Is there any way to reduce the error probability in a serial transmission using the UART provided by Altera? For a baudrate of 115200 bps there is a Pe = 0.001 (1 erronous byte ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hmmm.... The standard Altera UART seems to only have a 1x clock input. Even if it uses both edges that isn't enough to (easily) decode async.

The fifo uart only seems to have pre-defined baud/divisors, so it is difficult to verify from the docs.

If the data isn't oversampled then it will go wrong.