Bit Time Calculations for the Microchip CAN |
| Setup Criteria |
| Oscilator Frequency | 12,000 MHz |
| Target CAN Bus Baud Rate | 125,000 kbps |
| Selected Options |
| BRP-1 (Baud Rate Prescaler) | 2 |
| Tq (Time Quanta) | 500,000 ns |
| Number of Time Quanta | 16 |
| % Error of Target Baud Rate | 0,0 % (Actual Baud Rate is 125,000 kbps ) |
| Bit Timing Setup in Tq |
| Propagation Delay | 1 |
| Phase Segment 1 | 8 |
| Phase Segment 2 | 6 |
| Syncronization Jump Width (SJW) | 1 |
Multiple bit sampling is off. Wakeup filter is off.
Bit Timing Diagram
| Configuration Register Setup (PIC18/MCP251X) (neoVI blue/green, ValueCAN 2) |
| Register | Binary | Hexadecimal |
| CNF1/BRGCON1 | b'00000010' | 0x02 |
| CNF2/BRGCON2 | b'10111000' | 0xB8 |
| CNF3/BRGCON3 | b'00000101' | 0x05 |
| Configuration Register Setup (dsPIC33F,PIC24H,dsPIC30) (neoVI Red/Fire/Test/Yellow/ECU, ValueCAN 3) |
| Register | Binary | Hexadecimal |
| CICFG1 | b'0000000000000010' | 0x0002 |
| CICFG2 | b'0000010110111000' | 0x05B8 |
Generated 5:16:35 pm 01.30.2015
Microchip CAN Bit Timing Calculator by Intrepid Control
Systems, Inc. ( www.intrepidcs.com )