Product category: Communications ICs (Wired)
News Release from: Microchip Technology | Subject: MCP2515
Edited by the Electronicstalk Editorial Team on 15 September 2003
Faster throughput for
single-chip CAN controller
Microchip's enhanced stand-alone CAN device provides faster data throughput, efficient data-byte filtering and generates start-of-frame output
The MCP2515 has a 40MHz maximum clock input speed and a 10MHz high-speed SPI interface. This faster throughput enables CAN messages to be processed and transferred to the host microcontroller in a much shorter time than achievable with the original device. The MCP2515 can filter messages based on the first two data bytes and the 11 identifier bits which reduces the microcontroller overhead when supporting high-layer protocols like DeviceNet.
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The new device offers features for implementing time-slots in deterministic systems such as time-triggered CAN (TTCAN).
A one-shot mode is also available which ensures that a message will attempt to transmit one time, regardless of arbitration loss or frame error.
The start-of-frame output simplifies time-slot-based protocols and CAN bus diagnostics for determining early bus degradation.
The MCP2515 provides more than twice the throughput capability of Microchip's original stand-alone CAN controller (MCP2510) while maintaining footprint compatibility and functionality.
Used in automotive, robotics, power supply, test and semiconductor equipment, the MCP2515 is available in industrial temperature range in PDIP and SOIC packages.
Microchip is also upgrading its MCP2510 CAN developer's kit (DV251001) to support the MCP2515.
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