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MPU boasts enhanced performance

Posted: 21 Mar 2005 ?? ?Print Version ?Bookmark and Share

Keywords:toshiba america electronic components? taec? mips? risc? microprocessor?

Toshiba America Electronic Components Inc.'s (TAEC) new 64bit single-chip MIPS-based RISC microprocessor is targeted at diverse digital consumer applications, including IP STB, home gateways and multimedia appliances.

Called the TX4939XBG-400, the new device is Toshiba's first embedded Peripheral Component Interconnect-based processor that uses its 90nm process technology and the proprietary TX49/H4 400MHz CPU core. Sample shipments are scheduled to begin in August 2005 with mass production expected to start in October 2005 at a production volume of 100,000 units per month.

According to Shardul Kazi, VP of the RISC Microprocessor and Multimedia Business Unit at TAEC, the MPU blends the processing power and rich feature set required for digital consumer applications by integrating a high-performance security engine, serial and parallel video ports, battery back-up support, multiple hard disk interfaces, DDR memory and Ethernet controllers. "We are continuing to pursue a total solution strategy by designing reference platforms based on our existing TX49-based ASSPs," Kazi said.

"Using these reference platforms, we have developed middleware, ported many applications and garnered valuable customer feedback for further advancements. As a case in point, with its integration of required functions, our new TX4939XBG-400 lowers system cost and reduces time-to-market for our reference platform customers. Some of our existing strategic customers have already expressed interest in developing systems based on this latest processor."

The TX4939XBG-400 has multiple on-chip peripheral functions, including an 8/16-bit local bus controller, a highly optimized security engine, serial/parallel video ports, ATA controllers, a DDR SDRAM controller, a NAND flash controller, Ethernet MAC controllers (RMII), a PCI controller, a DMA controller, an interrupt controller, an AC-link controller, serial and parallel ports, timers/counters and a real-time clock (RTC) with battery back-up support. The unit is housed in a 456-pin BGA package measuring 27-by-27mm with 1mm ball pitch.

Toshiba also offers TX39/49/99 System RISC Reference Platforms consisting of hardware, software and system integration tools and documentation based on products from Toshiba. This modular, configurable approach provides a ready-to-use bill of materials and will evolve with the customers design and industry standards. Customers get a jump on software development and on the competition. Platforms are available for home-entertainment, IP STB, industrial-control, mobile and wireless, and other digital consumer applications.

Sample shipments are planned to start in August, with mass production starting in October at a production volume of 100,000 units a month. Pricing is $25 each in 10,000-piece orders. A reference board, RBTX4939, will also be available for customer evaluation.

- Marty Gold
eeProductCenter




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