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Artem Kozlov (edited by Alexey Pashkevich) Renesas SuperH microcontrollers for real-time applications!
The article will help to reveal in more detail the principles underlying 32-bit microcontrollers and microprocessors of the SuperH family, and thereby fill the information gap between the content of advertising brochures and detailed technical data in datasheets for these products.
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Microcontrollers
Evgeny Rakhno Microchip microcontrollers - where to start?
You have heard many times from friends that there are no more reliable microcontrollers than Microchip microcontrollers, that there are no more universal microcontrollers than Microchip 8-bit microcontrollers, that there are no more efficient and cheaper microcontrollers than Microchip 16-bit microcontrollers. So what is stopping you? And most likely, the absence of a clear answer to the two most standard questions - "Where to start?" and how much does it cost?"
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Microcontrollers
Victor Oleinik STM8A microcontrollers from STMicroelectronics
"Autoelectronics" - it is for this area of application that the new 8-bit microcontrollers of the STM8A family from STMicroelectronics are mainly intended. The wide temperature range allows them to be used in systems with harsh operating temperatures.
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Microcontrollers
Igor Kovriga XMEGA is a new branch of picoPower technology from Atmel corporation
The development of microcontrollers these days does not stand still. In an effort to gain a foothold in the market and gain new users, Flash microcontroller manufacturers are improving technology to reduce power consumption while keeping in mind performance gains and increased on-board Flash memory.
Atmel, despite gaining a respectable segment for embedded applications, wants to carve out a new quality niche in the global 8-bit microcontroller market with the XMEGA family.
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Microcontrollers
Pavel Vovk The ultra-economical C8051F9xx family of Silicon Laboratories microcontrollers. Part 1
It has become a good tradition for Silicon Laboratories to launch a new family of microcontrollers at least every six months. Often these families have unique characteristics, significantly expanding the scope of this company's microcontrollers. The first half of 2008 was no exception, when Silicon Laboratories began production of the C8051F9xx family.
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Microcontrollers
Bogdan Sidorenko AVR32 - microcontrollers for applications in the 21st century
The introduction of the first 8-bit AVR microcontroller in the late 90s showed how by optimizing the architecture of the processor core, you can achieve better performance and reduce power consumption. The AVR architecture allowed most instructions to be executed in a single machine cycle, thus achieving almost an order of magnitude better performance relative to the then popular 8051 core. - and 64-bit microcontrollers. The improvements made in the architecture of the AVR32 core allowed, like the superiority of the AVR core over the 8051, to outperform its competitors (for example, the Cortex M3, ARM9, ARM11 cores), both in performance and power consumption, although in quantitative terms this superiority is not as impressive as before. ... This article will discuss the features of the AVR32 core and microcontrollers based on it.
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Alexander Bashlykov AWP microcontrollers from NXP
ARM technology was born in 1983 by Acorn Computers. The first working ARM2 core (ARM then stands for Acorn RISC Machine) was created in 1986. Features of this core were 32-bit data bus, 26-bit address bus, which allowed working with 32 MB address space, and sixteen 32-bit registers. ARM2 was one of the simplest 32-bit processors with only 30,000 transistors. In subsequent versions, the kernel structure received various complications in the form of cache memory, additional registers, and increased performance.
As a result of the joint efforts of three companies: Acorn Computers, Apple Computer and VLSI Technology, Advanced RISC Machines ltd was formed in 1990. In the mid-1990s, ARM-based processors were used successfully in Apple's Newton minicomputers. In the future, various versions of the AWS architecture were used in mobile applications, game consoles, network routers, MP3 players and mobile phones.
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Microcontrollers
Andrey Borisov-Smirnov Real-time operating systems for microcontrollers
The article discusses the basic concepts of real-time operating systems (RTOS), the requirements for memory and microcontroller performance, the advantages and disadvantages of various types of RTOS kernels, as well as the design features of such systems.
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Microcontrollers
Mikhail Dmitriev Freescale 56F8000 Series Digital Signal Controllers
Freescale continues to market the original combo solution, an attempt to combine the best in digital signal processors and microcontrollers. The 56F8000 series features the new 56800 core, a wide range of peripherals, energy-saving features and a DSP at the same time. The use of such a hybrid device promises interesting prospects.
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Microprocessors
OMAP35x ™ drive applications with an unprecedented combination of high performance and power consumption
Texas Instruments OMAP35x ™ processors are driving revolutionary new applications with an unprecedented combination of high performance and power efficiency handheld devices. TI will be the first to ship processors with the high-performance ARM® Cortex ™ -A8 core, four times faster than the ARM9 core.
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Microprocessors
Andrey Karasev New GSM/GPRS microprocessors from Wavecom
The article provides an overview of the novelties of the world leader in wireless technologies Wavecom, provides GSM/GPRS solutions with support for GPS navigation.
68
FPGA and BMK
Valery Zotov Practical course of end-to-end design of digital devices based on FPGAs from Xilinx. Part 16
The sixteenth part of the course reveals the content of the stage of implementation of the designed device based on FPGA with FPGA architecture. A brief description of the main parameters for managing the translation processes, mapping the logical description of the project to the physical resources of the FPGA, placing and routing the device under development in the chip is given.
70
Power electronics
Andrey Kolpakov, Sergey Polishchuk, Taras Mysak Thermal calculation program SEMISEL 3.1 - new opportunities, new perspectives
The article discusses in detail the program for automated calculation and selection of components SEMISEL from SEMIKRON.
80
Electromechanical components
Alexey Savchuk Tyco Electronics/AMP CPC Series Connectors
Tyco Electronics offers a range of CPC coaxial connectors that provide higher levels of reliability, tightness and ease of use in a variety of applications.
86
Engineering practice
Antonio Muinozz Control circuit for two LEDs on one pin of the microcontroller with low quiescent current
The main idea of the circuit described in [1] is to implement independent control of two LEDs using three resistors and only one pin of the microcontroller, operating with a high impedance for data input or output. The value of this circuit is due to both the economy of free pins of the microcontroller and its simplicity. Unfortunately, this circuit cannot be used in battery powered devices, since it continuously draws a current of about 2 mA even if both LEDs are off.
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Engineering practice
Bernhard Linke Powerful bipolar SPST switches simplify power supply testing
The article discusses the possibility of using an electrically isolated bipolar powerful switch SPST (single-pole/singlethrow) for switching circuits with a current of up to 200 A and a voltage of up to 75 V. Such switches can be used when testing power supplies and power ICs. The keys are designed to be able to test high-speed circuits, in which the turn-on and turn-off times are tens of nanoseconds.
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Engineering practice
Ross Bannatyne Influence of miniaturization on the growth of functional density of electronics
Almost every electronics product we purchase is getting smaller, thinner, and more compact. Cameras, telephones, GPS navigators ... - the list is endless. And it's not just portable electronics. As product miniaturization begins to dominate, with more and more circuits being built into a single package, then density growth becomes an important trend, especially for products such as low-cost microcontrollers.
94
Audio and video equipment
Aramais Andreasyan Vehicle electronics
Our previous devices for informatization in transport were of a visual nature. These are various displays installed in trams, trolleybuses, buses or at public transport stops. This article presents a new generation audioinformer - a device in which there are no moving mechanical parts, and the information recorded on a removable memory card ensures high sound quality not only of information messages, but also of musical fragments during the entire period of operation.
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Audio and video equipment
Alexander Kashkarov CCTV system for CCTV based on the TW2700 video controller from Techwell Inc
The article discusses the TR104 development kit for the Techwell Inc TW2700 video controller. TR104 set is a stand-alone digital video recorder for CCTV with network capability.
100
Sensors
Valery Nebogatov, Vladimir Gutin Sensors Baumer Electric AG and Baumer Hubner GmbH
The purpose of this publication is to continue the description of the range of capabilities of modern industrial sensors, which began in No. 4, 2008, and, thus, to help specialists in choosing a solution to a specific technological problem.
104
Embedded systems
Yuri Seliverstov Miniature VKT masterpiece
The nanoETXexpress-SP module provides x86-compatible hardware and software with access to the ultra-mobile and ultra-small technology segments.
108
Power supplies
Lev Chemakin New ON Semiconductor High Efficiency DC/DC Regulators for Battery Powered Devices
The technical characteristics of voltage stabilizers of the NCP1532 type by ON Semiconductor are considered. Stabilizers are of particular interest for constructing power supplies for battery-powered portable devices. The features of the microcircuit operation and a typical switching circuit are given.
114
Digital signal processing
Ben Zarlingo Using Signal Analyzers to Measure Spectrum and Find Faults in Digitally Modulated Signals
This article summarizes the consideration of RF measurement tools for digital wireless applications in order to obtain an efficient and effective measurement process. The process itself is best suited for the design phase, although the discussion of measurement tools (hardware and software) is applicable to tasks such as design validation and certain types of manufacturing (in particular, prototype production).
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Exhibitions
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Business card CHIP NEWS Ukraine
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