FC510x - PCI Cards for CANopen

Baud rate and 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.