Embedded systems directory and blog

New on EDA Blog - 2007.01.19

• SD Memory Cards
  Every SD card has a small microcontroller on it. That microcontroller handles communicating between the device and the card, getting data from the flash, and putting data into the flash. It also handles flash-specific tasks like wear leveling and compaction. The microcontroller only runs while data is being sent to or read from the card. All CPUs and microcontrollers run off of a clock signal, and the SD card's clock is controlled by the device it is plugged into. When the clock isn't running, neither is the microcontroller. The device only runs the clock when it wants to transfer data to or from the card.
• IC Industry to Consolidate
  According to Gartner, multimedia processor and portable audio/media processor integration has evolved from highly differentiated performance-based solutions to commodity application-specific standard products (ASSPs) with massive average selling price (ASP) erosion. The integration of features and functions will lead to competition for fewer, more-integrated IC sockets.
• Storage Software Market
  The worldwide storage software market experienced its 12th consecutive quarter of year-over-year growth in the third quarter of 2006 with revenues of $2.5 billion, a 10.7% increase over the same quarter one year ago. According to IDC's Worldwide Quarterly Storage Software Tracker, storage replication was once again a major factor driving the sector's growth.
• Wireless Data Adoption Accelerates
  Since the 1970's, the widespread adoption of wireless data technology has been forecast to expand quickly. However, wireless data adoption has not come as quickly as previously thought. Now, it appears that time has finally arrived. In-Stat reports that the number of users in 2006 having at least one wireless data application in the field has increased significantly. Most organizations start with basic applications, such as wireless email and virtual private networks (VPNs), but the larger and more experienced organizations have plans for more sophisticated solutions.

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