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CHAPTER 10 UART
Figure 10.10-2 Communication Flowchart for Mode 1
END
Yes
No
Yes
No
START
(Host CPU)
Set "0" in A/D
Communication with slave CPU
Set transfer mode to 1
Set address data in D0 to D7
to select the slave CPU and
set A/D to "1", then transfer
one byte
Enable the receive operation
Is the communication
finished?
Communicate with
another slave CPU?
Disable the receive operation