Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 20 CAN CONTROLLER
R01UH0042EJ0500 Rev.5.00 Page 1015 of 1513
Aug 12, 2011
Table 20-24. Representative Examples of Baud Rate Settings (fCANMOD = 16 MHz) (1/2)
Valid Bit Rate Setting (Unit: kbps) C0BTR Register Setting
Value
Set Baud
Rate Value
(Unit: kbps)
Division
Ratio of
C0BRP
Register
C0BRP
Register Set
Value
Length of
DBT
SYNC
SEGMENT
PROP
SEGMENT
PHASE
SEGMENT1
PHASE
SEGMENT2
TSEG13 to
TSEG10
TSEG22 to
TSEG20
Sampling
Point
(Unit: %)
1000 1 00000000 16 1 1 7 7 0111 110 56.3
1000 1 00000000 16 1 3 6 6 1000 101 62.5
1000 1 00000000 16 1 5 5 5 1001 100 68.8
1000 1 00000000 16 1 7 4 4 1010 011 75.0
1000 1 00000000 16 1 9 3 3 1011 010 81.3
1000 1 00000000 16 1 11 2 2 1100 001 87.5
1000 1 00000000 16 1 13 1 1 1101 000 93.8
1000 2 00000001 8 1 3 2 2 0100 001 75.0
1000 2 00000001 8 1 5 1 1 0101 000 87.5
500 2 00000001 16 1 1 7 7 0111 110 56.3
500 2 00000001 16 1 3 6 6 1000 101 62.5
500 2 00000001 16 1 5 5 5 1001 100 68.8
500 2 00000001 16 1 7 4 4 1010 011 75.0
500 2 00000001 16 1 9 3 3 1011 010 81.3
500 2 00000001 16 1 11 2 2 1100 001 87.5
500 2 00000001 16 1 13 1 1 1101 000 93.8
500 4 00000011 8 1 3 2 2 0100 001 75.0
500 4 00000011 8 1 5 1 1 0101 000 87.5
250 4 00000011 16 1 3 6 6 1000 101 62.5
250 4 00000011 16 1 5 5 5 1001 100 68.8
250 4 00000011 16 1 7 4 4 1010 011 75.0
250 4 00000011 16 1 9 3 3 1011 010 81.3
250 4 00000011 16 1 11 2 2 1100 001 87.5
250 8 00000111 8 1 3 2 2 0100 001 75.0
250 8 00000111 8 1 5 1 1 0101 000 87.5
125 8 00000111 16 1 3 6 6 1000 101 62.5
125 8 00000111 16 1 7 4 4 1010 011 75.0
125 8 00000111 16 1 9 3 3 1011 010 81.3
125 8 00000111 16 1 11 2 2 1100 001 87.5
125 16 00001111 8 1 3 2 2 0100 001 75.0
125 16 00001111 8 1 5 1 1 0101 000 87.5
Caution The values in Table 20-24 do not guarantee the operation of the network system. Thoroughly check
the effect on the network system, taking into consideration oscillation errors and delays of the CAN
bus and CAN transceiver.