Representative Examples Of Baud Rate Settings - NEC V850E/Dx3 Preliminary User's Manual

CAN Controller (CAN)
Set baud
rate value
(unit: kbps)
1000
1000
1000
500
500
500
500
500
500
500
500
500
500
250
250
250
250
250
250
250
250
250
125
125
125
125
125
125
125
125
125
100
100
100
100
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19.16.2 Representative examples of baud rate settings

Table 19-28 and Table 19-29 show representative examples of baud rate
settings.
Table 19-28 Representative examples of baud rate settings
(f = 8 MHz) (1/2)
CANMOD
Division
CnBRP
ratio of
register set
CnBRP
Length
value
register
of DBT
1 00000000 8
1 00000000 8
1 00000000 8
1 00000000 16
1 00000000 16
1 00000000 16
1 00000000 16
1 00000000 16
1 00000000 16
1 00000000 16
2 00000001 8
2 00000001 8
2 00000001 8
2 00000001 16
2 00000001 16
2 00000001 16
2 00000001 16
2 00000001 16
2 00000001 16
2 00000001 16
4 00000011 8
4 00000011 8
4 00000011 16
4 00000011 16
4 00000011 16
4 00000011 16
4 00000011 16
4 00000011 16
4 00000011 16
8 00000111 8
8 00000111 8
4 00000011 20
4 00000011 20
5 00000100 16
5 00000100 16
Preliminary User's Manual U17566EE1V2UM00
Valid bit rate setting (unit: kbps)
SYNC PROP PHASE
SEGMENT SEGMENT SEGMENT1
1 1 3
1 3 2
1 5 1
1 1 7
1 3 6
1 5 5
1 7 4
1 9 3
1 11 2
1 13 1
1 1 3
1 3 2
1 5 1
1 1 7
1 3 6
1 5 5
1 7 4
1 9 3
1 11 2
1 13 1
1 3 2
1 5 1
1 1 7
1 3 6
1 5 5
1 7 4
1 9 3
1 11 2
1 13 1
1 3 2
1 5 1
1 7 6
1 9 5
1 7 4
1 9 3
Chapter 19
CnBTR register setting
value
PHASE TSEG13 to TSEG22 to
SEGMENT2 TSEG10 TSEG20
3 0011 010
2 0100 001
1 0101 000
7 0111 110
6 1000 101
5 1001 100
4 1010 011
3 1011 010
2 1100 001
1 1101 000
3 0011 010
2 0100 001
1 0101 000
7 0111 110
6 1000 101
5 1001 100
4 1010 011
3 1011 010
2 1100 001
1 1101 000
2 0100 001
1 0101 000
7 0111 110
6 1000 101
5 1001 100
4 1010 011
3 1011 010
2 1100 001
1 1101 000
2 0100 001
1 0101 000
6 1100 101
5 1101 100
4 1010 011
3 1011 010
Sampling
point
(unit: %)
62.5
75.0
87.5
56.3
62.5
68.8
75.0
81.3
87.5
93.8
62.5
75.0
87.5
56.3
62.5
68.8
75.0
81.3
87.5
93.8
75.0
87.5
56.3
62.5
68.8
75.0
81.3
87.5
93.8
75.0
87.5
70.0
75.0
75.0
81.3
741