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Content tagged with Microprocessor
posted in May 2008
Self-diagnosing sensor modules boost automotive networking efficiency
Design How-To  
5/29/2008   Post a comment
Detecting sensor defects directly at the sensor element, along with soft-error filtering, provide reliable data for system ECUs to make corrective decisions.
Headphone amplifier selection criteria for portable audio applications
Design How-To  
5/28/2008   Post a comment
This article examines key criteria - including topology, performance, cost, size, and power supply requirements - that system designers need to carefully factor in when designing headphone amplifier and output stage circuitry that connects to the headphone load.
Startup turns on global TV for notebooks
Design How-To  
5/28/2008   Post a comment
Startup Mirics Semiconductor is gearing up two chips aimed at letting a notebook computer receive and playback any digital terrestrial TV or radio signal using a wide multiband receiver chip along with demodulation software that runs on a host x86 processor.
ST extends 32-bit MCU family
Product News  
5/28/2008   Post a comment
STMicroelectronics NV (Geneva, Switzerland) has added 28 devices to its family of 32-bit Flash microcontrollers based on ARM's Cortex-M3 core to provide up to 512 Kbytes of Flash, larger SRAM and additional peripherals for displays, sound, storage and advanced control.
Allegro : MOSFET pre-driver IC replaces belt-driven actuators
Design How-To  
5/27/2008   Post a comment
Designed around Allegro's latest generation of BCD semiconductor process technology, the A3941 automotive-grade full-bridge MOSFET pre-driver IC includes enhanced features which make it suitable for high-temperature automotive systems and industrial systems using a 24 V battery supply.
Freescale rolls mobile media processor
Product News  
5/27/2008   Post a comment
In the wake of its acquisition of Sigmatel, Freescale Semiconductor is rolling out its i.MX37, a applicaitons processor using new video and imaging blocks to attack high end media players and navigation systems and the first in a series of applications processors targeted at specific market segments.
Designers draft multicore programming guide
News & Analysis  
5/22/2008   Post a comment
The Multicore Association is kicking off an effort to define best programming practices for embedded multicore processors, hoping within a year to define and create a guide to handling the thorniest problems in the growing arena of parallel software.
Continental rolls automotive controller for emerging markets
News & Analysis  
5/21/2008   Post a comment
With a Basic Function Controller for low-cost cars, automotive Supplier Continental AG intents to serve emerging markets. The device reflects in many ways the shifting distribution of power in the global automotive market: It has been developed in Continental's Shanghai laboratories; the first customer is Chinese car OEM Geely.
Intel's Barrett: Tech does little good without improved education
News & Analysis  
5/21/2008   Post a comment
Speaking at an IT conference in Malaysia, Intel chairman Craig Barrett said providing technology to poor countries will do little good without improved education.
Time partitioning drives faster software integration for telematics and infotainment: Part 3 - Redistributing the processor load
Design How-To  
5/21/2008   Post a comment
Allocating a set portion of CPU time to each software subsystem prevents any one monopolizing CPU cycles needed by the others, for a stable runtime environment that development teams can build and verify individually.
DoD reviewing Apple's bid for PA Semi
News & Analysis  
5/20/2008   Post a comment
The U.S. Department of Defense is reviewing Apple Inc.'s acquisition of embedded PowerPC designer PA Semi Inc. that reportedly put into jeopardy the future of a wide variety of military programs that had designed in the startup's processor.
Single-chip coherent multiprocessing is next step
Design How-To  
5/20/2008   Post a comment
Driving individual processor performance to the limit in a given implementation technology is never easy or efficient. Faster clocks, deeper pipelines and bigger caches carry silicon area and power dissipation costs that result in diminishing returns for that last 10 percent of performance.
ARM9-based embedded MCU consumes 80-mW in active mode
Product News  
5/20/2008   Post a comment
Atmel's AT91SAM9G20 400-MHz ARM9-based embedded MCU offers twice the speed with half the power consumption of pin-compatible AT91SAM9260.
Wind River, Intel ride Linux into car market
Product News  
5/20/2008   Post a comment
Intel and Wind River Systems have teamed up to create a Linux/x86 platform for car electronics, debuting at the Telematics Detroit 2008 conference based on Intel's low-power Atom processor and a new variant of Wind River's embedded Linux.
Freescale to close down in Cork, say reports
News & Analysis  
5/20/2008   Post a comment
Freescale Semiconductor Inc. (Austin, Texas) is to close down its design center in Cork, Ireland, with the loss of 47 design engineering jobs, according to Irish media reports.
Maxim rolls out 16-bit RISC MCU-based smart data-acquisition systems
Product News  
5/19/2008   Post a comment
Designed for use with anisotropic magnetoresistive (AMR) sensors, Maxim's SoC mixed-signal MCUs provide a complete system solution for the contactless sensing of linear or angular position/displacement.
Time partitioning drives faster software integration for telematics and infotainment: Part 2 - Simulation code development
Design How-To  
5/19/2008   Post a comment
Allocating a set portion of CPU time to each software subsystem prevents any one monopolizing CPU cycles needed by the others, for a stable runtime environment that development teams can build and verify individually.
Quad-core Opteron processor line expands with low-power options
Product News  
5/19/2008   Post a comment
AMD recently introduced energy-efficient x86 server processors with four processing cores and an integrated memory controller all in a low 55-watt ACP thermal envelope.
Automotive infotainment upgrades drive chip industry, says iSuppli
Product News  
5/19/2008   Post a comment
The competition among automotive OEMs will lead to increased efforts to lure customers by means of additional infotainment features and options. The semiconductor industry will be beneficiary from this trend, predicts market researcher iSuppli. The top winners are NXP and STM.
Freescale, ST sampling first jointly developed automotive microcontroller
Product News  
5/19/2008   Post a comment
Freescale and STMicroelectronics are sampling their first jointly developed microcontroller, which is aimed at the emerging "green" automotive market in China and similar markets.
Massively parallel processing arrays (MPPAs) for embedded HD video and imaging (Part 1)
Design How-To  
5/16/2008   Post a comment
An MPPA having hundreds of processors can simplify video and imaging software development for embedded applications. Each processor in an MPPA is strictly encapsulated, accessing only its own code and memory. This architecture provides a very different programming model, one where each processor devotes separate channels for each type of input and output data it needs to communicate with other processors, and there are no shared memory bottlenecks.
Time partitioning drives faster software integration for telematics and infotainment: Part 1 - Time problem, constraints, and a simulation model
Design How-To  
5/16/2008   Post a comment
Allocating a set portion of CPU time to each software subsystem prevents any one monopolizing CPU cycles needed by the others, for a stable runtime environment that development teams can build and verify individually.
IC Audio Power Amplifiers and Zobel Networks: One Size Does Not Fit All
Design How-To  
5/14/2008   3 comments
Here's how to properly select an impedance modifying circuit (Zobel network) for your IC audio power amplifier design.
Atmel : Kit proposes wireless PC connectivity via USB port
Product News  
5/13/2008   Post a comment
Atmel has announced the AVRUSBRF01 reference design for development with AVR microcontrollers in the un-licensed 2.4 GHz ISM band and connection to PCs with USB.
IBM shifts Cell to 65 nanometers
Product News  
5/13/2008   2 comments
IBM Corp. officially announces today a next-generation version of its Cell processor geared for computer servers, the PowerXCell which aims to deliver supercomputing to a broad group of IBM BladeCenter server users.
AMD shifts leadership in PC group
News & Analysis  
5/12/2008   Post a comment
Advanced Micro Devices has named company veteran Randy Allen as head of its core PC group while Mario Rivas, a former Philips Semiconductors executive who joined AMD in late 2005 and ran the division, has left the company.
IBM close to breaking petaflops barrier
News & Analysis  
5/12/2008   Post a comment
IBM Corp. and the Los Alamos National Laboratory are in a race with time to break the petaflop barrier in computing in time for the June Top 500 list.
Tools automate support for multicore CPUs
Product News  
5/12/2008   Post a comment
The MathWorks has built new parallel processing techniques into its flagship MatLab environment, and startup Exludus Technologies, Inc. is preparing an enhanced release of its scheduling middleware for X86 servers, the latest examples of companies tackling the challenge in automating the shift to parallel software for multicore processors.
Multirate DSP, part 4: Bandpass undersampling
Design How-To  
5/10/2008   Post a comment
Part 4 shows how to undersample bandpass signals.
Indian EE students pitch power-saving DSP design technique
News & Analysis  
5/9/2008   Post a comment
Engineering students at an Indian college have proposed a new way to design highly power efficient processors, especially DSPs, using a new adder design and a multiplier circuit implementation that leverages decomposition logic.
AMD discloses 12-core server chip
News & Analysis  
5/7/2008   Post a comment
Advanced Micro Devices disclosed a conservative road map for 45nm server processors using six and twelve cores through 2010, and lifting a page from the playbook of archrival Intel, the 12-core CPU will use two six-core die in a multichip package.
Choosing a microcontroller and other design decisions - Part 2
Design How-To  
5/7/2008   Post a comment
This three-part article is abstracted from the book "Embedded Hardware Know It All", which provides a "360 degree" view from best-selling authors.
ARM, not Intel, to dominate MID design-ins in short term
News & Analysis  
5/7/2008   Post a comment
ARM rather than Intel is expected to win out in the short term amongst designers of Mobile Internet Devices in a market that will take off gradually because of high prices but for which global demand will eventually build towards annual sales of 69 million units, exceeding $17 billion by 2014.
Southeastern Europe buoyant for Intel
News & Analysis  
5/7/2008   Post a comment
Intel is seeing robust business for its processors and components in Southeastern Europe, with Romania the strongest market.
Automotive vision system recognizes road signs: Part 2 - Architecture and design tips
Design How-To  
5/7/2008   1 comment
Pattern recognition and processors deal with computational and I/O challenges of handling video data stream.
Analysis: 3DLabs takes massive parallelism to portables
Design How-To  
5/7/2008   Post a comment
3DLabs' processor incorporates two ARM9 processors and a SIMD array of 24 32-bit floating-point processing elements. BDTI explains how it works.
Moving up to DDR2 at printed circuit board layout
Design How-To  
5/6/2008   3 comments
Designing faster processors is the order of the day in the computing industry. However, processor speeds continue to exceed memory latency improvements.
What's for lunch? Purdue supercomputer ready by noon
News & Analysis  
5/6/2008   Post a comment
It may have taken "seven days" to create the world, but Purdue University engineers assembled their new supercomputer by lunchtime on the first day.
What's the deal with Embedded Linux?
Signal Processing DesignLine Blog  
5/5/2008   5 comments
Is Linux a delight or a disaster? Different vendors have different answers--all of them self-serving. Here's my attempt to set the story straight.
Multirate DSP, part 3: ADC oversampling
Design How-To  
5/4/2008   Post a comment
Part 3 looks at oversampling in analog-to-digital convertors. It applies these principles to a sigma-delta ADC and revisits the CD player case study.
Graphics market soft in first quarter
News & Analysis  
5/1/2008   Post a comment
Sales of computer graphics chips had a slightly lower than usual seasonal downturn, leading one analyst to issue a cautious market projection for the next few quarters for the sector that can be a bellwether for computer sales and a key indicator of electronics sales overall.
Bluetooth in-car design takes less than six-weeks to integrate
Product News  
5/1/2008   Post a comment
CSR launched RoadTunes, a feature rich, fully interoperable Bluetooth hands-free package for Personal Navigation Devices (PNDs) and in-car systems.


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