COMMELL MPX-2515 - Manual (Page 20)

Commell MPX-2515 User’s Guide Rev 0100
Taiwan Commate Computer Inc. 20
Figure 5 MCP2515 Receive Buffer Block Diagram
As shown in the above receive buffers block diagram, acceptance filters RXF0 and
RXF1 (and filter mask RXM0 are associated with RXB0. Filters RXF2, RXF3,
RXF4, RXF5 and mask RXM1 are associated with RXB1.
The following figure shows how the masks and filters apply to CAN frames.