MCP25020 Datasheet - Microchip

MCP25020, CAN I/O Expander

Not Recommended for New Designs Use MCP2515 or MCP25625 MCP2502X/5X CAN I/O Expander Family .
The MCP2502X/5X devices operate as I/O expanders for a Controller Area Network (CAN) system, supporting CAN v2.

Features

* Implements CAN V2.0B - Programmable bit rate up to 1 Mb/s - One programmable mask - Two programmable filters - Three auto-transmit buffers - Two message reception buffers - Does not require synchronization or configuration messages
* Hardware Features - Non-volatile memory for user

MCP25020-Microchip.pdf