FRCHK
FRAMING ERROR
PRCHK
PARITY ERROR
CHRCHK
GET CHARACTER
FROM RECEIVER
TRANSMITTED
SET INCORRECT
CHARACTER FLAG
Figure 23-26. UART Mode Programming Flowchart (Sheet 3 of 5)
MOTOROLA
A
N
HAVE
?
SET FRAMING
ERROR FLAG
HAVE
N
?
Y
SET PARITY
ERROR FLAG
SAME AS
Y
CHARACTER
?
N
B
Chapter 23. UART Modules
B
RSTCHN
DISABLE
TRANSMITTER
RESTORE
TO ORIGINAL MODE
RETURN
Operation
23-33