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Reverse engineering the silicon in the ARM1 processor

How can you count bits in hardware? In this article, I reverse-engineer the circuit used by the ARM1 processor to count the number of set bits in a 16-bit field, showing how individual transistors form multiplexers, which are combined into adders, and finally form the bit counter. The ARM1 is the ancestor of the processor in most cell phones, so you may have a descendent of this circuit in your pocket. ARM ...

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Atmel’s latest processor uses less juice

Atmel has announced a new series of Atmel | SMART ARM® Cortex®-A5-based microprocessors (MPUs). Firmly targeted at IoT applications they are said to deliver the world’s lowest power consumption for all MPUs in their class. They deliver sub 200 µA in retention mode with context preserved, 30 µs ultra-fast wake-up and a new backup mode with DDR in self-refresh at only 50 µA. Among the built-in features of the ...

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Sound Effects Processor Using Mega32

Introduction As you can see from the title, our project, in a nutshell, is a Sound Effects Processor (for the lack of a better name), which is capable of taking an audio input, adding effects to it digitally and passing an analog output to an amplifier. [caption id="attachment_16213" align="aligncenter" width="600"] Sound Effects Processor Using Mega32[/caption] Fig 1. Joel(left) and Jeremy(right), the arch ...

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ARM Processor-based Microcontrollers

  Customize Your Experience with myAtmel Finding app notes, training, kits, samples and other Atmel® design resources is now easier than ever with the new myAtmel portal. By signing up for a myAtmel account, you get:   Automatic registration for downloads   Alerts when previously downloaded documents or software are updated   Product updates   Quick links to web pages, documents and software that are i ...

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IPFlex’s DAPDNA-2 Dynamically Reconfigurable Processor Chosen as Key Component in FAST Corporation’s High-Speed Image Processing Board

(PRWEB) November 30, 2004 IPFlex Inc. (headquartered in Tokyo Japan, hereafter referred to as IPFlex) today announced FAST Corporation (headquartered in Kanagawa Japan, hrereafter referred to as FAST) has chosen IPFlex's DAPDNA-2 (see Note 1) Dynamically Reconfigurable Processor (see Note 2) as a key component of the FVDDP01 high-speed image processing board. In the high-speed data processing needed fo ...

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First Emerson Network Power OpenVPX Boards Feature 2nd Generation Intel

Nuremberg, Germany. (Vocus/PRWEB) March 01, 2011 At the Embedded World exhibition today, Emerson Network Power, a business of Emerson and the global leader in enabling Business-Critical Continuity, released its first OpenVPX (VITA 65) single board computers (SBCs) to provide excellent performance, power efficiency, graphics, memory and I/O for high bandwidth military/aerospace, first responder and rugged in ...

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Kozio Announces Support for AMCC’s New High-Speed, Low-Cost 440GR PowerPC Processor for Networking Applications

(PRWEB) March 24, 2005 Kozio, Inc., a leading developer of embedded systems software, today announced its support of Applied Micro Circuits Corporation’s (AMCC) [NASDAQ:AMCC] new 440GR PowerPC® processor for networking applications. Kozio develops software solutions that verify design and validate hardware for embedded single-board computer systems. "We’re pleased that Kozio’s kDiagnostics solutions wi ...

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