Bit Time Calculations for the Microchip CAN |
| Setup Criteria |
| Oscilator Frequency | 20,000 MHz |
| Target CAN Bus Baud Rate | 10,000 kbps |
| Selected Options |
| BRP-1 (Baud Rate Prescaler) | 39 |
| Tq (Time Quanta) | 4,000 µs |
| Number of Time Quanta | 25 |
| % Error of Target Baud Rate | 0,0 % |
| Bit Timing Setup in Tq |
| Propagation Delay | 8 |
| Phase Segment 1 | 8 |
| Phase Segment 2 | 8 |
| 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'00100111' | 0x27 |
| CNF2/BRGCON2 | b'10111111' | 0xBF |
| CNF3/BRGCON3 | b'00000111' | 0x07 |
| Configuration Register Setup (dsPIC33F,PIC24H,dsPIC30) (neoVI Red/Fire/Test/Yellow/ECU, ValueCAN 3) |
| Register | Binary | Hexadecimal |
| CICFG1 | b'0000000000100111' | 0x0027 |
| CICFG2 | b'0000011110111111' | 0x07BF |
Generated 8:24:53 pm 02.11.2010
Microchip CAN Bit Timing Calculator by Intrepid Control
Systems, Inc. ( www.intrepidcs.com )