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What is ROM?

Read-only memory (ROM) is a class of storage media used in computers and other electronic devices. Data stored in ROM cannot be modified (at least not quickly/easily), and it is therefore mainly used to distribute firmware.

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2000-09-06	The benefits of Atmel's RAPID programming algorithm This application note details the Atmel RAPID programming algorithm and briefly explains why this algorithm is superior to others. In addition, it will give an introduction to EPROM technology and the mechanics of programming.
2002-06-03	Taiwan optoelectronics production value up 55.7 percent null
2002-02-06	Taiwan design house to launch single-chip solution for DVD players In response to the continued decline in DVD player prices, Acer Laboratories Inc. (ALi) plans to introduce a single-chip solution within the year.
2003-01-03	STMicro ROMs to replace direct mask ROMs STMicroelectronics has introduced its line of FlexibleROM exlectrically programmable ROMs in 16-, 32-, and 64Mb densities, which is targeted as drop-in replacements for direct mask ROMs for basic code storage applications including consumer products, office automation equipment, and computer peripherals.
2003-06-20	SST's MTP Products: A Superior Alternative to EPROM and Low Functionality Flash This application note describes the feature and benefits of Silicon Storage Technology's MTP products and how they can be used in existing UV-EPROM, OTP and Flash designs.
2006-07-18	Sony launches Blu-ray disc production Sony DADC said it inaugurated Blu-ray disc BD-ROM (video, games and data) production in the U.S.
2000-09-01	Software chip erase This application note shows the Software Chip Erase feature of Atmel's EEPROMs to enable erasure of the entire memory contents in a single step using a 6-byte code.
2002-07-17	SOCLE Technology launches latest SoC platform SOCLE Technology Corp. has introduced its latest SoC-ImP pre-verified SoC design implementation and ?Platform.
2002-11-12	Smart-card chips advance as market stalls Hampered by the market saturation of prepaid telephone cards and by serious delays in Europe's 3G mobile-phone rollout, smart cards are fast losing their 1990s glow of consistent double-digit annual growth.
2005-05-12	Smallest 1Gb memory? Matrix Semiconductor said that it has developed the world's smallest 1Gb memory.
2004-06-16	Simulation fulfills its promise for enhancing debug and analysis In the past, simulators did not prove realistic or feasible for debug analysis; however, advancements in fast simulation technology and analysis tools have enabled developers to speed up the development cycle. This article will discuss these enhancements.
2002-04-16	Setting up Ember in Windows This application note provides a step-by-step procedure for setting up Ember in order to accumulate historical monitoring, bandwidth accounting, and bandwidth reporting data under the various Windows operating systems.
2002-03-16	Set-top box SoCs for high-speed demands This technical news article discusses how innovative SoC chips for set-top-box designs can increase product performance for high-speed demands.
2007-07-05	Secure MCU suits low-priced contact bank cards Atmel's new AT90SC9604RU is designed with additional ROM capacity to allow its customers to implement applications such as common platform application for the EMV banking, SDA market.
2003-09-24	Samsung, Toshiba to merge optical disk device lines Samsung Electronics Co. Ltd and Toshiba Corp. have signed a memorandum of terms covering integration of their respective ODD businesses in a joint venture.
2005-04-27	Samsung's smart card ICs use 16bit CalmRISC processor Samsung has developed two dual interface smart card ICs that meet world-class spes for financial transactions and can store all types of personal and biological data.
2004-11-08	Samsung smart card IC utilizes 0.13?m process Samsung Electronics has developed a high-density 512KB EEPROM-embedded smart card IC.
2002-08-05	ROHM disc driver reduces noise, motor vibration The BC7905BFS CD-ROM/DVD-ROM combination disc drive driver IC is claimed by the company to achieve a 12dB noise level reduction during disc activation and regenerative braking.
2007-08-31	RISC MCU rolls with on-chip dot matrix LCD driver The S1C17701 from Seiko Epson Corp. is a single-chip MCU featuring on-chip flash ROM and a high-resolution dot matrix LCD driver.
2000-05-03	Reduce time to market using FLASH technology This paper describes the Flash-based processors that can be used to reduce the cost and time to market for a product. The primary savings come in the form of reduced development time and easier debugging of the product.
2000-06-08	Questions and Answers Concerning Serial EEPROMs This application note provides answers to some of the commonly asked questions on using serial EEPROMs.
2002-06-01	Quality verification and validation Know the fundamental theory and techniques of verification and validation, and see how they have been successfully applied in the creation of high quality embedded software.
2004-06-21	Programming in C for the DS80C400 This app note describes how to set up the tools to write a simple tutorial program, and then demonstrates how to use the DS80C400's ROM functionality.
2002-11-20	Programming 1-Wire EPROM and EEPROM Memory Devices Using a PC This application discusses how to program the DS243x series EEPROM and DS250x EPROM devises in a PC-based environment.
2000-05-03	Pre-boot biometric authentication using fingerprints This paper discusses the first successful implementation of fingerprint authentication inside the ROM BIOS of a PC. Pre-boot fingerprint authentication offers a non-transferable security mechanism that prevents access to the computer hardware and its sensitive data by stopping the BIOS self-test process until the presence of a valid, enrolled user is confirmed using one or more fingerprints.
2000-05-03	Power Supply Concept for the C515C 8-bit Microcontroller The application note introduces a power supply concept for the C515C and deals with the enhanced feature of this controller to switch off the Address Latch Enable (ALE) output signal during accesses to internal ROM.
2002-03-11	Parvus board handles CompactFlash drives and IDE devices Designed for rugged mobile PCs and embedded system applications, the company's CompactFlash and IDE adapter module can serve as a carrier for a CompactFlash disk drive or as a controller for up to two IDE devices.
2000-09-01	Parallel EEPROM data protection This application note discusses the built-in hardware and software features of Atmel's EEPROMs to protect against inadvertent programming due to externally introduced noise pulses during normal system operation and power transitions.
2000-06-07	Optimizing Serial Bus Operations with Proper Write Cycle Times This application note demonstrates how to maximize the total bus operation of Serial EEPROMs as determined by the following three main elements: number of bytes to load for each write operation, bus clock speed at which the write operation is loaded, and fixed internal write cycle timer required for the programming operation.
2002-07-22	Oki ROMs have 70ns random access speed The MR27V12800J 128Mb Production Programmable ROM (P2ROM) from Oki Electric Ind. Co. Ltd operates from a 3V to 3.6V source and features an access time of 70ns.