What is ECC?
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Error-correction code (ECC) is redundant data that a sender adds to its messages in a system of error control for data transmission called forward error correction (FEC). This allows the receiver to detect and correct errors (with some limitations) without asking the sender for additional data. The advantages of FEC are that a back-channel is not required and retransmission of data can often be avoided though this is achieved at the cost of higher bandwidth requirements. FEC is therefore applied where retransmissions are relatively costly or impossible. In particular, FEC information is usually added to most mass storage devices to protect against damage to the stored data. For instance, electrical or magnetic interference inside a computer system can cause a single bit of DRAM to flip to the opposite state. This problem can be mitigated by using DRAM modules that include extra (redundant) memory bits and memory controllers that exploit these bits. These extra bits are used to record parity or to use an ECC. Parity allows the detection of an odd number of wrong bits. The ECC may allow a single-bit error to be corrected and double-bit errors to be detected. Error detection and correction in computer systems keeps going in and out of vogue. Seymour Cray famously said "parity is for farmers" to explain why he left it out of the CDC 6600. He included parity in the CDC 7600, and reputedly said "I learned that a lot of farmers buy computers." |
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| 2012-03-16 | AUTOSAR timing models reduce ECU risks AUTOSAR timing models reduce ECU risks |
| 2011-03-30 | LIN transceiver enables robust automotive designs NXP introduces the TJA1028 LIN transceiver family designed to power an automotive Electronic Control Unit (ECU) with an integrated low-drop voltage regulator in a very small 3x3mm leadless package. |
| 2010-01-27 | Vector, TTTech partner on ECU software Vector, TTTech partner on ECU software |
| 2009-11-13 | System basis chips improve in-vehicle networks The CAN/LIN chips feature extremely low stand-by and quiescent currents with a scalable voltage regulator for the on-board MCU and peripherals. |
| 2009-10-08 | Address the complex task of testing automotive ECUs This article aims to provide awareness of applications and test strategies for automotive electronic control units (ECUs). |
| 2009-08-28 | Analogue IC reduces small engine emissions Freescale Semiconductor is offering a new analogue chip that could reduce emissions from small petrol engines. |
| 2009-08-06 | Robust contact monitor simplifies design of body control computers This article documents how the MAX13362 reacts in many circumstances encountered during automotive ECU-level testing. |
| 2009-07-22 | Enabling power, cost efficiency in ECUs New SoC designs are needed to integrate more logic and analogue features to lower system cost. |
| 2009-06-10 | Optimising ECU parameters with XCP Optimising ECU parameters with XCP |
| 2009-03-19 | Contact monitor for body control computers Know how the MAX13362 reacts in many circumstances encountered during automotive ECU-level testing. |
| 2009-03-02 | Tool automates ECU software checks Tool automates ECU software checks |
| 2009-02-13 | CAN transceiver's behaviour in unpowered condition Know the behaviour of the AMIS-4168x low speed fault tolerant CAN transceiver in unpowered condition. |
| 2008-10-30 | ECUs for DSP function Learn how to use embedded computational units in FPGAs to implement DSP functions. |
| 2008-08-28 | European ECU market to boom until 2015 European ECU market to boom until 2015 |
| 2006-10-12 | Multi-target modelling reduces ECU software costs Multi-target modelling reduces ECU software costs |
| 2008-07-14 | Serdes chipset simplifies design Maxim introduces the latest members of its high-speed LVDS Serdes family: the MAX9257/MAX9258 Serdes chipset. |
| 2007-08-20 | Electronics off to the races Fresh off an electronics teardown of the popular Toyota Prius hybrid, we'll look here at a whole different animal—a Kawasaki Ninja ZX-RR MotoGP race motorcycle. |
| 2007-09-26 | Electronics hone racer's edge MotoGP is the Formula One of the two-wheel racing world, and the cost of these prototype motorcycles is thought to run into the lakhs of rupees. |
| 2008-01-09 | Xilinx unveils FPGA-based auto ECU devt kit Xilinx unveils FPGA-based auto ECU devt kit |
| 2007-11-16 | Simulate CAN bus comms in ECU networks Simulate CAN bus comms in ECU networks |
| 2007-10-01 | Graphical methods aid hybrid vehicle design Use graphical system design methodology with off-the-shelf hardware for rapid prototyping of your vehicle control strategy. |
| 2007-08-03 | Volkswagen integrates ECU through MathWorks Volkswagen integrates ECU through MathWorks |
| 2007-06-07 | Contact monitor minimises ECU power consumption Contact monitor minimises ECU power consumption |
| 2007-03-19 | Infineon teams up with Hyundai on car electronics Infineon Technologies AG and Hyundai Motor Company are working together for the development of automotive electronics. |
| 2006-08-01 | Measurement toolkit targets next-gen automotive ECUs NI has introduced its ECU Measurement and Calibration Toolkit 2.0 that supports measurement and calibration applications for designing and validating automotive ECUs. |
| 2006-01-19 | IPD enables smaller, lighter ECUs NEC Electronics America Inc. has announced an intelligent power device designed for on-board electronic control units supporting apps such as headlights, anti-lock braking systems and air conditioners. |
| 2005-09-01 | The changing face of automotive ECU design The changing face of automotive ECU design |
| 2005-09-01 | Keys to new car sensor As electronic content in cars increases, low-cost, reliable sensing systems become even more important. |
| 2005-08-17 | NI toolkit eases ECU design NI toolkit eases ECU design |
| 2001-08-28 | Comparison between Embedded Computational Unit (ECU) and Look-Up Table (LUT) approach to building large multiplier Comparison between Embedded Computational Unit (ECU) and Look-Up Table (LUT) approach to building large multiplier |
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