Fujitsu FR81S Benutzerhandbuch
CHAPTER 40: MULTI-FUNCTION SERIAL INTERFACE
7. Operation of LIN Interface (v2.1)
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : MULTI-FUNCTION SERIAL INTERFACE
FUJITSU SEMICONDUCTOR CONFIDENTIAL
283
Master Operation Timing Chart (FIFO Unused)
Figure 7-30 LIN Bus Timing (at the Time of Data Field Transmission without Using FIFO)
SCR:LBR
LIN bus
TDR write
TDR
TIE
RIE,TXE
RDRF(RIRQ)
LIN break start
Sync Field(0x55)
write
write
Transmission interrupt generation:
ID Field set
ID Field set
LIN Break field
Synch Field
ID Field
Data Field transmission
TDRE(TIRQ)
SCR:RXE
Sync Field (0x55)
ID Field
DATA1
DATA2
DATA3
Transmission interrupt generation:
DATA Field set
DATA Field set
SCR:MS
Reception interrupt generation :
DATA read
"0"
Figure 7-31 LIN Bus Timing (at the Time of Data Field Reception without Using FIFO)
SCR:LBR
LIN bus
TDR write
TDR
TIE
RIE,TXE
RDRF(RIRQ)
LIN break start
Sync Field(0x55)
write
write
Transmission interrupt generation:
ID Field set, TIE clear
ID Field set, TIE clear
LIN Break field
Synch Field
ID Field
Data Field reception
TDRE
SCR:TBIE
Sync Field(0x55) ID Field
Reception interrupt generation:DATA Field read
RDR read
RXE
Reception interrupt generation:DATA read
MB91520 Series
MN705-00010-1v0-E
1596