The Stellaris® family of ARM® Cortex™-M3 microcontrollers features several industrial connectivity options, including simultaneous 10/100 Ethernet and Controller Area Network (CAN).

10/100 Ethernet:

The Stellaris family's integrated Ethernet conforms to the IEEE 802.3-2002 Specification, fully supporting 10BASE-T and 100BASE-TX full- and half-duplex operation standards, integrating the 10/100 Mbps transceiver (PHY), and featuring automatic MDI/MDI-X cross-over correction, a programmable MAC address, promiscuous mode support, a 2KB transmit FIFO / 2KB receive FIFO, and power-saving and power-down modes. Several Stellaris Ethernet-enabled MCUs also feature hardware assistance for an IEEE 1588 Precision Time Protocol (PTP) system.

Controller Area Network:
The Stellaris family integrates Bosch CAN networking technology, the golden standard in short-haul industrial networks. Stellaris devices include up to three separate Bosch-licensed CAN controllers, each of which can be used simultaneously, and support CAN protocol version 2.0 part A/B, bit rates up to 1 Mb/s, and 32 message objects (each with its own identifier mask). Each CAN also features maskable interrupt, disable for automatic retransmission mode (TTCAN), and a programmable loop-back mode for self-test operation.

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