6 extended communication control register (eccr), Extended communication control register (eccr) – FUJITSU F2MCTM-16LX User Manual
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CHAPTER 20 LIN-UART
20.4.6
Extended Communication Control Register (ECCR)
The extended communication control register (ECCR) provides bus idle detection,
synchronous clock settings, and the LIN synch break generation.
■
Extended Communication Control Register (ECCR)
Figure 20.4-7 shows the configuration of the extended communication control register (ECCR), and Table
20.4-6 shows the function of each bit.
Figure 20.4-7 Configuration of the Extended Communication Control Register (ECCR)
MS
SCDE SSM
RBI
TBI
000000XX
B
ECCR0:000024
H
ECCR1:00002C
H
LBR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
−
W
R/W
R/W
R/W
−
R
R
bit 15
bit 8
Address
Initial value
bit 0
TBI*
Transmission bus idle detection flag bit
0
Transmission is ongoing
1
No transmission activity
bit1
RBI*
Reception bus idle detection flag bit
0
Reception is ongoing
1
No reception activity
bit 2
Unused bit
Reading value is undefined.
Always write "0".
bit 3
SSM
Start/stop bit mode enable bit in mode 2
0
No start/stop bit
1
Enable start/stop bit
bit 4
SCDE
Serial Clock Delay enable bit in mode 2
0
Disable clock delay
1
Enable clock delay
bit 5
MS
Master/Slave mode selection bit in mode 2
0
Master mode (generating serial clock)
1
Slave mode (receiving external serial clock)
bit 6
LBR
Generating LIN synch break bit
write
read
0
Ignored
Always read 0
1
Generate LIN Synch
break
bit 7
Unused bit
Read value is undefined. Always write 0
R/W
: Read/Write
R
: Read only
W
: Write only
X
: Undefined
: Initial value
*: Not used in operation mode 2 when SSM = 0