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MOST® Linux Driver for Microchip’s MOST Network Interface Controllers Added to Open Source Linux Mainline Kernel 4.3

Allows Designers to Quickly and Easily Tap Into the Growing Adoption of Linux-Based Devices, Using the MOST Specification for High-Bandwidth Automotive Infotainment Applications

MOST® Technology Linux Driver Architecture
MOST® Technology Linux Driver Architecture

[NASDAQ: MCHP] — Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today announced that the MOST® Linux Driver supporting Microchip’s MOST network interface controllers has been incorporated into the staging section of the Linux Mainline Kernel 4.3 operating system. The increasing demand for reliable and simple solutions to support audio, video and data communications in cars is driving the trend toward using Linux and open-source software in combination with MOST technology, the de-facto standard for high-bandwidth automotive multimedia networking.

To learn more about Microchip’s latest innovations in MOST technology, visit

“We appreciate the Linux Foundation’s support in making the MOST Linux Driver part of the Linux Mainline Kernel 4.3,” said Dan Termer, vice president of Microchip’s Automotive Information Systems Division. “Incorporating this driver will make it easy for designers who are innovating the cars of the future to combine MOST technology with Linux, thereby significantly shortening time-to-market and reducing development costs.”

MOST technology is a time-division-multiplexing (TDM) network that transports different data types on separate channels at low latency and high quality-of-service. The Linux Driver allows for the transport of audio data over the MOST network’s synchronous channel, which can be seamlessly delivered by the Advanced Linux Sound Architecture (ALSA) subsystem, providing system designers the ability to easily transmit audio over MOST technology using a standard soundcard. Additionally, this driver enables the transport of video data with guaranteed bandwidth, by using the MOST network’s isochronous channel and the Video for Linux 2 (V4L2) interface. This feature results in the ability to seamlessly connect standard multimedia frameworks and players over the Linux Driver to a MOST network.

For further ease-of-use, this Linux Driver supports IP-based communication over the standard Linux networking stack, and provides simple access to all MOST network data types via the regular device nodes of the Linux Virtual File System (VFS). The driver also allows for easy access to Microchip’s MOST network interface controllers, with support for their USB and MediaLB® interfaces.

Pricing & Availability

Support is available for the full version of Microchip’s MOST Linux Driver today. For additional information, contact any Microchip sales representative, or visit Microchip’s Web site at

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About Microchip Technology
Microchip Technology Inc. (NASDAQ: MCHP) is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality. For more information, visit the Microchip website at

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