Product category: Reference Designs
News Release from: Cypress Semiconductor | Subject: LINbus reference design kit
Edited by the Electronicstalk Editorial Team on 16 September 2002
Reference design puts
PSoC MCU on LINbus
Cypress MicroSystems has a reference design that enables automotive engineers to build advanced applications with LINbus communication capabilities, using a single PSoC microcontroller
Cypress MicroSystems has a reference design that enables automotive engineers to build advanced applications with LINbus (Local Interconnect Network) communication capabilities, using a single PSoC microcontroller. The LIN Protocol Specification Version 1.2 is a low-speed communications standard used in many automotive applications, including body control, driver information, multimedia, climate control, safety equipment, cockpit electronics and Human Machine Interface (HMI).
This article was originally published on Electronicstalk on 16 September 2002 at 8.00am (UK)
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The software-configurable PSoC MCU can replace thousands of custom microcontrollers in a broad range of embedded systems - speeding time-to-market, reducing the number of chips and decreasing overall system cost.
Its flexible architecture offers significant advantages for LINbus applications.
The PSoC MCU includes blocks of analogue and digital logic that can be reconfigured to perform multiple functions.
Therefore, designers of automotive systems can re-use the resources on a PSoC device to create all three configurations defined by the LINbus specification - synchronisation procedure, data transmission and data reception - and switch between them on the fly without extra hardware.
In addition, the digital PSoC blocks used to implement the LINbus protocols minimise the required CPU loading, freeing the processor core to manage other system functions.
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To further streamline LINbus implementations, the reference design includes all error-handling routines needed to be in full compliance with the standard.
"LINbus is an effective standard for low speed communication to monitor and control automotive systems", said Nathan John, director of strategic marketing for Cypress MicroSystems.
"Cypress MicroSystems not only offers a microcontroller with the power and flexibility to implement many of the types of nodes of a LINbus network, but also provides customers with comprehensive support and tools to speed their designs".
The PSoC microcontroller family integrates an 8bit CPU, 4 to 16Kbyte of Flash memory, SRAM, and programmable "PSoC blocks" of analogue and digital system functions, in low-cost, small-footprint packages.
The new reference design uses the digital PSoC blocks to implement an example LINbus application, and supports all of the recommended baud rates (2400, 9600 and 19,200).
To develop the LINbus reference design kit, Cypress MicroSystems partnered with Crealie, a leading French software design house specialising in embedded systems.
Crealie's expertise in software development and the latest communications technologies were key to creating the software portion of the reference design.
The Linbus reference design software is now available for free download from the Cypress MicroSystems at website.
The company also offers a LINbus reference design kit - with one master node and two slave nodes - for $199.
Customers can connect the reference board to a PC via the serial port to communicate commands over the Linbus network.
The PSoC microcontroller family (CY8C25x/26x) is currently available for 1000-unit pricing of $2.80.
All PSoC microcontrollers include the free PSoC Designer software tool set, an integrated development environment.
Customers may also purchase the basic development kit, including the PSoC ICE-4000, for $248..
(This was Electronicstalk's Top Story on 14 September 2002).
(This was Electronicstalk's Top Story on 16 September 2005).
(This was Electronicstalk's Top Story on 16 September 2005).
(This was Electronicstalk's Top Story on 16 September 2002)
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