Fujitsu F2MCTM-16LX Manual do Utilizador Página 453

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CHAPTER 20 LIN-UART
Figure 20.7-15 Master-slave Communication Flowchart
NO
YES
YES
NO
NO
NO
YES
YES
YES
NO
(Master CPU)
(Slave CPU)
Start Start
Set operation mode 1
Set operation mode 1
Set SINn pin as the serial
data input pin.
Set SOTn pin as the serial
data output pin.
Set SINn pin as the serial
data input pin.
Set SOTn pin as the serial
data output pin.
Set 7 or 8 data bits.
Set 1 or 2 stop bits.
Set 7 or 8 data bits.
Set 1 or 2 stop bits.
Set "1" in AD bit.
Transfer & reception
operation enabled
Transfer & reception
operation enabled
Send address to slave.
Receive byte
AD bit = 1
Set "0" in AD bit.
Communicate with
slave CPU
Is communication
complete?
Communicate
with another slave
CPU?
Transfer & reception
operation disabled
End
Slave address
match?
Communicate with mas-
ter CPU
Communication
complete?
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