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R01UH0336EJ0102 Rev.1.02
Page 1080 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 20 CAN Controller (FCN)
(b)
FCNnCMISCTL Write
Caution
Clear the status bits of this register by software, when the confirmation of each
status is necessary in the interrupt processing because these bits are not
cleared automatically.
(8)
FCNnCMBRPRS - FCNn Module Bit-Rate Prescaler Register
This register is used to select the CAN protocol layer reference system clock
(f
TQ
). The communication baud rate is set according to the FCNnCMBTCTL
register.
Access
This register can be read/written in 8-bit units.
Address
<FCNn_base> + 0 0268
H
Initial value
FF
H
This register is initialized by various types of reset.
15
14
13
12
11
10
9
8
0
0
0
0
0
0
0
0
7
6
5
4
3
2
1
0
0
FCNnCMISCLTS[6:0]
FCNnCMISCLTS[6:0]
Clearing FCNnCMISITSF[6:0]
0
FCNnCMISITSF[6:0] bits are not changed.
1
FCNnCMISITSF[6:0] bits are cleared to 0.
7
6
5
4
3
2
1
0
FCNnCMBRPRS[7:0]
FCNnCMBRPRS
[7:0]
CAN Protocol Layer Reference System Clock (f
TQ
)
0
f
CANMOD
/1
1
f
CANMOD
/2
n
f
CANMOD
/(n+1)
:
:
255
f
CANMOD
/256 (default value)