Bitfields for Digiboard initializing parameters:
Bit(s)	Description	)
 7-5	unused
 4-3	parity (00 none, 01 odd, 11 even)
 2	stop bits (0 = one, 1 = two)
 1-0	data bits (00 = five, 01 = six, 10 = seven, 11 = eight)
SeeAlso: #00307,#00308