Fujitsu MB91260B Series Hardware Manual page 335

CHAPTER 13 UART
320
Figure 13.4-2 Communication Flowchart in Mode 1
(Host CPU)
START
Set transfer mode to "1".
Set data used to select a
slave CPU 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.
Communication
completed?
YES
Communicate
with another slave
CPU.
YES
Disable receive operation.
NO
NO
END