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MB Time Calculator

Microchip CAN Bit Timing Calculator

The MB Time Calculator can be used to compute CAN bit timing parameters for Microchip Technology MCP2510, MCP2515, and PIC18F CAN controllers, with both legacy and ECAN supported.

To use the tool, first tell the software your oscillator frequency and target CAN baud rate. The software will determine the potential Baud Rate Prescaler (BRP) and number of time quanta (Tq) required.

The next step is to adjust the various parameters of the bit timing. These include propagation delay, phase 1 segment width, phase 2 segment width, and synchronization jump width. The actual bit timing is displayed graphically.

The calculator will check your setup against different rules for the various timing values. When your setup checks out, you can generate a setup report that includes your complete setup: bit timing, a graph of bit timing, and the values for the CNF1, CNF2, and CNF3 registers for you to copy to your source code.

This tool is free as long as you agree not to distribute it to others. If you wish to share this tool with others, please ask them to download it from this page.

Download: MB Time Calculator

 

 

 

 

 

 

 

 

 

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