mcf5307cft90b Freescale Semiconductor, Inc, mcf5307cft90b Datasheet - Page 343

• Manufacturer Part Number: mcf5307cft90b
• Description: Mcf5307 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Figure 14-27. UART Mode Programming Flowchart (Sheet 4 of 5)
WARM START ADDRESS
ADDRESS ON SYSTEM
STACK AND MONITOR
CLEAR CHANGE-IN-
BREAK STATUS BIT
CLEAR CHANGE-IN-
CHARACTER FROM
BREAK STATUS BIT
REPLACE RETURN
ABRKI1
REMOVE BREAK
SIRQR
ABRKI
RECEIVER FIFO
END-OF-BREAK
BY BEGINNING
IRQ CAUSED
IRQ ARRIVED
OF A BREAK
SIRQ
WAS
RTE
HAS
YET
?
?
Y
Y
Freescale Semiconductor, Inc.
For More Information On This Product,
N
N
Chapter 14. UART Modules
Go to: www.freescale.com
PLACE CHARACTER
RECEIVER HAVE A
CHARACTER
CHANNEL A
RETURN
IN D0
INCH
DOES
?
Y
N
Operation
14-33