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R01UH0336EJ0102 Rev.1.02
Page 1216 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 22 Synchronous/Asynchronous Serial Interface H (UARTH)
(2)
URTHnCTL1 – UARTHn Control Register 1
This register defines the data frame properties of the UARTHn serial data
transfers.
Access
This register can be read/written in 16-bit units.
Address
<URTHn_base0> + 40
H
Initial value
5002
H
This register is initialized by a reset from any source.
15
14
13
12
11
10
9
8
URTHn
SLBM
URTHnBLG[2:0]
0
0
0
URTHn
CLG
R/W
R/W
R/W
R/W
R
R
R
R/W
7
6
5
4
3
2
1
0
URTHnSLP[1:0]
URTHn
TDL
URTHn
RDL
URTHn
LPM
URTHn
SLG
URTHn
SLD
URTHn
SLIT
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 22-9
URTHnCTL1 Register Contents (1/3)
Bit Position
Bit Name
Function
15
URTHnSLBM
BF reception mode selection
0: BF reception during data reception disabled.
1: BF reception during data reception enabled.
•
Changing this bit is only allowed while reception is disabled
(URTHnCTL0.URTHnPW = 0 or URTHnCTL0.URTHnRXE = 0).
14 to 12
URTHnBLG
[2:0]
BF bit length during transmission
URTHnBLG2
URTHnBLG1
URTHnBLG0
BF Length
1
0
1
13 bits
1
1
0
14 bits
1
1
1
15 bits
0
0
0
16 bits
0
0
1
17 bits
0
1
0
18 bits
0
1
1
19 bits
1
0
0
20 bits
Changing these bits is only allowed while transmission is disabled
(URTHnCTL0.URTHnPW = 0 or URTHnCTL0.URTHnTXE = 0).
8
URTHnCLG
Bit length of transmit/receive data
0: 7 bits
1: 8 bits or 9 bits (extension bit)
•
When the transmission/reception is performed in the LIN format, set
URTHnCTL1.URTHnCLG to 1.
•
Changing this bit is only allowed while reception and transmission are
disabled (URTHnCTL0.URTHnPW = 0 or URTHnCTL0.URTHnRXE =
URTHnCTL0.URTHnTXE = 0).
Содержание V850 Series
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