Fujitsu 8FX

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