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CHAPTER 20 LIN-UART
20.7.7 LIN Communication Function
LIN-UART communication with LIN devices is available for both LIN master or LIN slave
systems.
■ LIN-master-slave Communication Function
The settings shown in the figure below are required to operate LIN-UART in LIN communication mode
(operation mode 3).
Figure 20.7-16 Settings for LIN-UART in Operation Mode 3 (LIN)
●
LIN device connection
As shown in the Figure below, a communication system of one LIN-Master device and a LIN-Slave device.
LIN-UART can operate both as LIN-Master or LIN-Slave.
Figure 20.7-17 Connection Example of a Small LIN-Bus System
LBIE LBD
LBL1 LBL0
SOPE SIOP
CCO
SCES
LBR MS
SCDE
SSM RBI TBI
PEN P SBL CL AD CRE RXE TXE MD1 MD0 OTO EXT
REST UPCL SCKE
SOE
PE ORE FRE
RDRF TDRE
BDS RIE TIE
Set conversion data (during writing)
Retain reception data (during reading)
SCRn, SMRn
SSRn, TDRn/RDRn
ESCRx, ECCRx
Mode 3
Mode 3
Mode 3
: Used bit
: Unused bit
: Set 1
: Set 0
: Bit automatically set to correct value
n = 0, 1
SOT
SIN
SOT
SIN
LIN master
Transceiver Transceiver LIN slave
LIN bus