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R01UH0336EJ0102 Rev.1.02
Page 1089 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 20 CAN Controller (FCN)
20.5.3
FCN Message Buffer Registers
(1)
FCNnMmDATxB/H/W - FCNn Message Data Byte Registers
These registers are used to store the data of transmit/receive messages.
Access
The FCNnMmDATxW registers can be read/written in 32-bit units.
The FCNnMmDATxH registers can be read/written in 16-bit units.
The FCNnMmDATxB registers can be read/written in 8-bit units.
Address
FCNnMmDAT0B: <FCNn_base> + 0 1000
H
+ m × 40
H
FCNnMmDAT1B: <FCNn_base> + 0 1004
H
+ m × 40
H
FCNnMmDAT2B: <FCNn_base> + 0 1008
H
+ m × 40
H
FCNnMmDAT3B: <FCNn_base> + 0 100C
H
+ m × 40
H
FCNnMmDAT4B: <FCNn_base> + 0 1010
H
+ m × 40
H
FCNnMmDAT5B: <FCNn_base> + 0 1014
H
+ m × 40
H
FCNnMmDAT6B: <FCNn_base> + 0 1018
H
+ m × 40
H
FCNnMmDAT7B: <FCNn_base> + 0 101C
H
+ m × 40
H
FCNnMmDAT0H: <FCNn_base> + 0 9000
H
+ m × 40
H
FCNnMmDAT2H: <FCNn_base> + 0 9008
H
+ m × 40
H
FCNnMmDAT4H: <FCNn_base> + 0 9010
H
+ m × 40
H
FCNnMmDAT6H: <FCNn_base> + 0 9018
H
+ m × 40
H
FCNnMmDAT0W: <FCNn_base> + 1 1000
H
+ m × 40
H
FCNnMmDAT4W: <FCNn_base> + 1 1010
H
+ m × 40
H
Initial value
FCNnMmDATxB
00
H
FCNnMmDATyH
0000
H
FCNnMmDATzW
0000 0000
H
This register can be initialized by various reset operations.
(a)
FCNnMmDATxB (x = 0 to 7)
(b)
FCNnMmDATyH (y = 0, 2, 4, 6)
7
6
5
4
3
2
1
0
FCNnMmSSDx0, FCNnMmSSDx1, FCNnMmSSDx2, FCNnMmSSDx3,
FCNnMmSSDx4, FCNnMmSSDx5, FCNnMmSSDx6, FCNnMmSSDx7
15
14
13
12
11
10
9
8
FCNnMmSSD(y+1)0, FCNnMmSSD(y+1)1, FCNnMmSSD(y+1)2,
FCNnMmSSD(y+1)3, FCNnMmSSD(y+1)4, FCNnMmSSD(y+1)5,
FCNnMmSSD(y+1)6, FCNnMmSSD(y+1)7
7
6
5
4
3
2
1
0
FCNnMmSSDy0, FCNnMmSSDy1, FCNnMmSSDy2, FCNnMmSSDy3,
FCNnMmSSDy4, FCNnMmSSDy5, FCNnMmSSDy6, FCNnMmSSDy7
Содержание V850 Series
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