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Bit Time Calculations for the Microchip CAN 본문
Bit Time Calculations for the Microchip CAN |
| Setup Criteria |
| Oscilator Frequency | 16.000 MHz |
| Target CAN Bus Baud Rate | 500.000 kbps |
| Selected Options |
| BRP-1 (Baud Rate Prescaler) | 1 |
| Tq (Time Quanta) | 250.000 ns |
| Number of Time Quanta | 8 |
| % Error of Target Baud Rate | 0.0 % |
| Bit Timing Setup in Tq |
| Propagation Delay | 1 |
| Phase Segment 1 | 3 |
| Phase Segment 2 | Determined by greater of IPT or Phase1 ( 3 ) |
| Syncronization Jump Width (SJW) | 1 |
Multiple bit sampling is on. Wakeup filter is on.
Bit Timing Diagram
| Configuration Register Setup (PIC18/MCP251X) (neoVI blue/green, ValueCAN 2) |
| Register | Binary | Hexadecimal |
| CNF1/BRGCON1 | b'00000001' | 0x01 |
| CNF2/BRGCON2 | b'01010000' | 0x50 |
| CNF3/BRGCON3 | b'01000000' | 0x40 |
| Configuration Register Setup (dsPIC33F,PIC24H,dsPIC30) (neoVI Red/Fire/Test/Yellow/ECU, ValueCAN 3) |
| Register | Binary | Hexadecimal |
| CICFG1 | b'0000000000000001' | 0x0001 |
| CICFG2 | b'0100000001010000' | 0x4050 |
Generated 5:30:47 pm 04-14-2015
Microchip CAN Bit Timing Calculator by Intrepid Control Systems, Inc. ( www.intrepidcs.com )
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