The CAN Bus Mini Breakout Board is an accessory board that features an onboard CAN Bus transceiver SN65HVD230, which is pinout-compatible with the PCA82C250. It is powered at 3.3VDC and features ESD protection. The board is ideal for connecting any microcontroller with embedded CAN Bus controller to a CAN Bus network.
While many popular embedded systems (e.g. mbed LPC1768, Arduino Due, Teensy 3.x, etc.) provide their respective CAN Bus interfaces, these CAN Bus capabilities are per default useless without their respective CAN Bus transceivers. A CAN Bus transceiver is a line driver that converts the controller’s TTL signal to the actual CAN Bus level, which is a differential voltage. The use of differential voltage contributes to the vast reliability of the CAN Bus technology. Out of cost constraints, boards like the Arduino Due and the mbed LPC1768 have no onboard CAN Bus transceivers. Basically, CAN Bus transceivers would add more costs to the board and why pay for it when you don't need it? CAN Bus transceivers, due to power management requirements, come always as a separate chip.
- SN65HVD230 CAN Board Datasheet...
- SN65HVD230 CAN Board Schematics...
- Brief Introduction to Controller Area Network...
- App Note: Testing Arduino Due With 2 CAN Bus Mini Breakout Boards...
This book by Wilfried Voss represents the most thoroughly researched and most complete work on the CAN Bus available in the marketplace.
Controller Area Network (CAN) is a serial network technology that was originally designed for the automotive industry, especially for European cars, but has also become a popular bus in industrial automation as well as other applications.
The CAN Bus is primarily used in embedded systems, and as its name implies, is a network technology that provides fast communication among microcontrollers up to real-time requirements, eliminating the need for the much more expensive and complex technology of a Dual-Ported RAM.
This book provides complete information on all CAN Bus features and aspects combined with a high level of readability.