Freescale Semiconductor ColdFire MCF52210 - Manual (Page 415)

UART Modules
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 24-29
b) If preferred, program operation of transmitter ready-to-send (TXRTS).
c) If preferred, program operation of clear-to-send (TXCTS bit).
d) Select stop-bit length (SB bits).
7. UCRn: Enable transmitter and/or receiver.
Figure 24-25. UART Mode Programming Flowchart (Sheet 1 of 5)
Serial Module
SINIT
Initiate:
Channel
Interrupts
CHK1
Call CHCHK
Save Channel
Status
Enable
Any
Errors?
Y
N
Enable Receiver
Assert
Request To Send
SINITR
Return