COMMELL MPX-2515 - Manual (Page 8)

Commell MPX-2515 User’s Guide Rev 0101
Taiwan Commate Computer Inc. 8
transmitting and receiving both standard and extended data and remote frames. The
MCP2515 has two acceptance masks and six acceptance filters that are used to filter
out unwanted messages. Thereby reducing the host MCUs overhead. The MCP2515
interfaces with CY8C24794 microcontroller via an industry standard Serial Peripheral
Interface (SPI).
The following figure shows the block diagram of MCP2515
Figure 4 MCP2515 Block Diagram
The MCP2515 has three transmit and two receive buffers, two acceptance masks (one
for each receive buffer) and a total of six acceptance filters. The following figure
shows the MCP2515 buffers and protocol engine block diagram. Please refer to
MCP2515 data sheet for detail information.