Microsemi (USA) has integrated Inicore’s (USA) CANmodule-IIIx into an FPGA together with an ARM Cortex-M3 processor. This Smartfusion2 named FPGA has been released recently. Besides CAN connectivity, it provides Gigabit-Ethernet and USB ports.
THE SMARTFUSION2 IMPLEMENTS THE CANmodule-IIIx core, which is a message object based CAN module. It is compliant with the ISO 11898-1 international standard and passed conformance testing according to ISO 16845. The core contains 32 receive buffers, each one with its own message filter, and 32 transmit buffers with prioritized arbitration scheme. For optimal support of higher-layer protocols (HLP) the message filter covers the first two data bytes as well.
The design is written in technology independent HDL and can be mapped to ASIC and FPGA architectures and makes use of on-chip SRAM structures.
An AMBA 3 Advanced Peripheral Bus (APB) interface enables smooth integration into ARM based SoC’s (system on chip). This synchronous bus interface can be connected to other system buses.
Both company have jointly enhanced the CANmodule-IIIx by adding single-bit error correction and double-bit error detection to the transmit and receive message buffers. This improves the CAN reliability for safety-critical applications that require IEC 61508, DO-254 or AEC-Q100 certifications. “As the only FPGA with SEU-immune zero FIT flash FPGA configuration cells, SmartFusion2 was designed specifically for safety-critical and mission-critical applications,” said Paul Ekas working with Microsemi. “Our customers have been using Inicore‘s ISO 11898-1 compliant cores in our devices and systems successfully for many years, and we were pleased to see the integration of the CANmodule-IIIx controller into SmartFusion2 SoC FPGAs achieved seamlessly with first-pass silicon success.”
“The feature-rich SmartFusion2 SoC FPGA with the integrated CAN controller provides a great platform to create embedded systems, particularly for applications where reliability is a top priority,” noted Inicore’s Daniel Leu. “We are pleased to continue our longstanding relationship with Microsemi and serve our common customers.”
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