[GreenKeys] Model 33 serial character framing?

Chris Elmquist chrise at pobox.com
Tue Jun 3 00:17:56 EDT 2008


What is the real, true, bits per character and parity that the model 33
sends and receives?

I know we run at 110baud with 1 start and 2 stop bits but throughout the
ages, in serial connections to various microcomputers I have been exposed
to, it seems people do everything from 7-bits even parity to 8-bits and
no parity and then mask the parity bit in software after reading it from
the UART.  So, I am looking for the true format that the unit sends and
expects to receive.  I thought it was 7-bits and even parity but I seem
to be unable to receive what it transmits in that mode...  however, it
receives and correctly prints what I sent to it in that mode.  I suspect
it ignores the parity doesn't it?

73, Chris N0JCF

-- 
Chris Elmquist
mailto:chrise at pobox.com


More information about the GreenKeys mailing list