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CHAPTER 20 LIN-UART
20.4.1 Serial Control Register (SCR)
This register specifies parity bits, selects the stop bit and data lengths, selects a frame
data format in mode 1, clears the reception error flag, and specifies whether to enable
transmission and reception.
■ Serial Control Register (SCR)
Figure 20.4-2 Configuration of the Serial Control Register (SCR)
PEN
P
SBL
CL
AD
CRE
RXE TXE
bit15
R/W
00000000
B
SCR0 : 000021
H
SCR1 : 000029
H
bit14
bit13
bit12
bit11 bit8
bit9
bit10
bit7 bit0
R/W
R/WR/W
R/W
R/W
W
R/W
bit8
TXE Transmission operation enable bit
0 Disable transmission
1 Enable transmission
bit9
RXE Reception operation enable bit
0 Disable reception
1 Enable reception
bit10
CRE
Clear reception error flag bit
Write Read
0 No effect
Read
always
returns 0
1
Clear all reception error flags
(PE, FRE, ORE)
bit11
AD Address/data format select bit
0 Data frame
1 Address frame
bit12
CL Data length select bit
07 bits
18 bits
bit13
SBL Stop bit length select bit
01 bit
12 bits
bit14
P Parity select bit
0 Even parity enabled
1 Odd parity enabled
bit15
PEN Parity enabled bit
0 Parity disabled
1 Parity enabled
R/W : Read/Write
W : Write only
: Initial value
Initial value
Address