mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 393

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
Figure 16-31. UART Mode Programming Flowchart (Sheet 2 of 5)
TRANSMITTER CLEAR
PLACE CHANNEL IN
SNDCHR
LOCAL LOOPBACK
SEND CHARACTER
TO TRANSMITTER
CHARACTER BEEN
CHCHK
RxCHK
STATUS WORD
TxCHK
TRANSMITTER
RECEIVED
ENABLE
CHCHK
MODE
READY
HAS
IS
A
?
?
Y
N
Y
N
Y
N
Chapter 16. UART Modules
TOO LONG
TOO LONG
WAITED
WAITED
?
?
N
N
Y
Y
NEVER-READY FLAG
NEVER-READY FLAG
SET TRANSMITTER-
SET RECEIVER-
B
Operation
16-33