Lin-Uart Serial Mode Register (Smr) - Fujitsu F2MCTM-16LX Hardware Manual

20.4.2

LIN-UART Serial Mode Register (SMR)

This register selects an operation mode and baud rate clock and specifies whether to
enable output of serial data and clocks to the corresponding pin.
LIN-UART Serial Mode Register (SMR)
Figure 20.4-3 Configuration of the Serial Mode Register (SMR)
Address
bit15
SMR0:000020
H
SMR1:000028
H
R/W : Read/Write
W : Write only
: Initial value
bit8 bit7 bit6 bit5 bit4
MD1 MD0 OTO EXT REST UPCL SCKE SOE
R/W R/W R/W R/W
bit0
SOE
bit1
SCKE
bit2
UPCL
bit3
REST
bit4
EXT
bit5
OTO
bit7
MD1
0
0
1
1
Initial value
bit2
bit3 bit1 bit0
00000000
W W R/W R/W
Serial data output enable bit of LIN-UART
0 General-purpose I/O port
1 Serial data output enable pin of LIN-UART
LIN-UART serial clock output enable bit
General-purpose I/O port or LIN-UART clock
0
input pin
1 Serial clock output pin of LIN-UART
LIN-UART programmable clear bit
write
0 Ignored
1 Reset LIN-UART
Restart dedicated Reload Counter bit
write
0 Ignored
1 Restart Counter
External Serial Clock Source select bit
Use internal Baud Rate Generator (Reload
0
Counter)
1 Use external Serial Clock Source
One-to-one external clock Input enable bit
Use external Clock with Baud Rate Generator
0
(Reload Counter)
1 Use external Clock as it is
bit6
Operation Mode Setting bit
MD0
0 Mode 0: Asynchronous normal
1 Mode 1: Asynchronous Multiprocessor
0 Mode 2: Synchronous
1 Mode 3: Asynchronous LIN
CHAPTER 20 LIN-UART
B
read
always
read 0
read
always
read 0
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