Motorola ColdFire MCF5281 - Manual (Page 450)

UART Modules
23-30 Freescale Semiconductor
Figure 23-25. 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
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3