Joris

Could this be related to the issue described in the [MCP2517FD Errata](http://ww1.microchip.com/downloads/en/DeviceDoc/MCP2517FD-Silicon-Errata-and-Data-Sheet-Clarification-DS80000792A.pdf)? > TX MAB underflow due to long delays between SPI bytes > In case of a TX MAB...

We can also confirm this appears to solve the issue. We did however also notice significant performance improvements after switching from the MCP2517FD to the MCP2518FD, so if anyone has...