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MB95630H Series
Figure 14.6-15 Master/Slave Mode Communication Flow Chart
(Master CPU)
Set to operating mode 1
Set SIN pin for serial data
Set SOT pin for serial data
Set 7 or 8 data bits.
Set 1 or 2 stop bits.
Set AD bit to "1"
Enable transmission/
Transmit address to slave
Set AD bit to "0"
Communicate with slave
communication?
Communicate
with another slave
Disable transmission/
MN702-00009-1v0-E
Start
input.
output.
reception
CPU
Terminate
NO
YES
NO
CPU
YES
reception
End
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER 14 LIN-UART
14.6 Operations of LIN-UART and LIN-UART
Setting Procedure Example
(Slave CPU)
Start
Set to operating mode 1
Set SIN pin for serial data
input.
Set SOT pin for serial
data output.
Set 7 or 8 data bits.
Set 1 or 2 stop bits.
Enable transmission/
reception
Receive bytes
AD bit = 1
YES
Slave address matches
address data
YES
Communicate with master
CPU
Terminate
communication?
YES
NO
NO
NO
239
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