The development of increasingly complex microsystems requires the usage of a powerful field bus systems for distributed real-time networks. The CAN protocol has a wide acceptance in the field of serial communication. The Dual CAN core is targeted to applications with two CAN core interfaces such as gateways. The Dual CAN bus controller core is described at the RTL system level which allows easy targeting of various technologies.

Key Features:

• Supports CAN Specification 2.0B (Standard and Extended Data and Remote Frames)
• Two independent CAN cores with one hostcontroller interface
• Programmable data rate up to 1 mbps
• Programmable baud rate pre-scaler (up to 1/256)
• Programmable internal 27-bit acceptance filtering for both CAN’s
• 8-bit host-controller interface
• Application specific interface to the hostcontroller on request (e.g. AMBA-APB)
• Configurable interrupt sources
• Special “self test” logic for test cases inserted
• HDL design, complete synthesizable
• Link to commercial bus drivers (for instance PCA82C250T by Philips)
• Verified by the Bosch reference model

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