SH7147 Datasheet, PDF (723/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 17 Controller Area Network (RCAN-ET)
001
010
011
100
101
110
111
TSG2
2
3
4
5
6
7
8
TSEG2
TSG1 TSEG1
0011 4
No
1-3
No
No
No
No
No
0100 5
1-2
1-3
1-4
No
No
No
No
0101 6
1-2
1-3
1-4
1-4
No
No
No
0110 7
1-2
1-3
1-4
1-4
1-4
No
No
0111 8
1-2
1-3
1-4
1-4
1-4
1-4
No
1000 9
1-2
1-3
1-4
1-4
1-4
1-4
1-4
1001 10
1-2
1-3
1-4
1-4
1-4
1-4
1-4
1010 11
1-2
1-3
1-4
1-4
1-4
1-4
1-4
1011 12
1-2
1-3
1-4
1-4
1-4
1-4
1-4
1100 13
1-2
1-3
1-4
1-4
1-4
1-4
1-4
1101 14
1-2
1-3
1-4
1-4
1-4
1-4
1-4
1110 15
1-2
1-3
1-4
1-4
1-4
1-4
1-4
1111 16
1-2
1-3
1-4
1-4
1-4
1-4
1-4
Example 1: To have a Bit rate of 500 Kbps with a frequency of fclk = 40 MHz it is possible to set:
BRP = 43, TSEG1 = 6, TSEG2 = 3.
Then the configuration to write is BCR1 = 5200 and BCR0 = 0003.
Example 2: To have a Bit rate of 250 Kps with a frequency of 35 MHz it is possible to set:
BPR = 4, TSEG1 = 8, TSEG2 = 5.
Then the configuration to write is BCR1 = 7400 and BCR0 = 0004.
Rev. 3.00 Oct. 06, 2008 Page 699 of 1080
REJ09B0230-0300