Fujitsu FR81S User Manual
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
7. Operation of LIN Interface (v2.1)
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
291
FIFO Used
Figure 7-39 LIN Bus Timing (DATA Field transmitted: FIFO used, AUTE=1)
LIN bus
SFD
LIN Break Field
Sync Field
BST
LBD
BGR
ID Field
SFDE
H
LBIE
H
RIE
RXE
TIE
TXE
TDRE
(TIRQ)
(TIRQ)
RDRF
(RIRQ)
(RIRQ)
Data Field transmission
Status interrupt generation
LBD clear
LBD clear
Sync Field detection(SFD=1)
Baud rate auto setting(BST=1)
Reception interrupt enable(RIE=1)
Reception enable(RXE=1)
Baud rate auto setting(BST=1)
Reception interrupt enable(RIE=1)
Reception enable(RXE=1)
Transmission FIFO write
Transmission enable(TXE=1)
Reception FIFO disable
Transmission enable(TXE=1)
Reception FIFO disable
Reception interrupt generation:DATA read
Transmiss
ion FIFO
write
ion FIFO
write
L
MB91520 Series
MN705-00010-1v0-E
1604