mcf5407 Freescale Semiconductor, Inc, mcf5407 Datasheet - Page 382

• Manufacturer Part Number: mcf5407
• Description: Mcf5407 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Operation
14-40
Figure 14-39. UART Mode Programming Flowchart (Sheet 2 of 5)
TRANSMITTER CLEAR
PLACE CHANNEL IN
SNDCHR
SEND CHARACTER
LOCAL LOOPBACK
TO TRANSMITTER
CHARACTER BEEN
CHCHK
RxCHK
STATUS WORD
TxCHK
TRANSMITTER
RECEIVED
ENABLE
CHCHK
MODE
READY
HAS
IS
A
?
?
Y
N
Y
N
N
Y
MCF5407 User’s Manual
TOO LONG
TOO LONG
WAITED
WAITED
?
?
N
N
Y
Y
NEVER-READY FLAG
NEVER-READY FLAG
SET TRANSMITTER-
SET RECEIVER-
B