CANopen Baud Rate and Bit Timing
Bit Timing
The following baud rates and entries in the bit-timing register are supported by the CANopen devices:
Baud rate [kBaud] |
BTR0 |
BTR1 |
Sampling Point |
---|---|---|---|
1000 |
0x00 |
0x14 |
75% |
800 |
0x00 |
0x16 |
80% |
500 |
0x00 |
0x1C |
87% |
250 |
0x01 |
0x1C |
87% |
125 |
0x03 |
0x1C |
87% |
100 |
0x04 |
0x1C |
87% |
50 |
0x09 |
0x1C |
87% |
20 |
0x18 |
0x1C |
87% |
10 |
0x31 |
0x1C |
87% |
The bit-timing register settings given (BTR0, BTR1) apply, for example, for the Philips 82C200, SJA1000, Intel 80C527, Siemens 80C167 and other CAN controllers. They are optimized for the maximum bus length.