Fujitsu FR60 Hardware Manual page 401

CHAPTER 13 UART
Figure 13.4-2 Communication Flowchart in Mode 1
(Host CPU)
START
Set transfer mode to "1".
Set data used to select
slave CPUs in D0 to
D7, set "1" in A/D, and
transfer one byte.
Set "0" in A/D.
Enable receive operation.
Communicate with a slave CPU.
NO
Communication
completed?
YES
NO
Communicate with
other slave
CPUs?
YES
Disable the receive operation.
END
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