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DSP suits lower bandwidth base station apps

Posted: 01 Sep 2009     Print Version  Bookmark and Share

Keywords:DSP  multi-core  processor  4G  WiMAX 

Freescale Semiconductor has released the MSC8154 processor, a four-core version of the high-performance MSC8156 DSP, designed to add a variety of price, power and throughput options to the company's portfolio of high-performance DSPs based on StarCore technology.

The MSC8154 is manufactured using 45nm process technology and is pin- and code-compatible with the MSC8156 device. This allows designers to use the same board design for lower bandwidth macro- or micro-base station designs.

Freescale also introduces the availability of supporting software to help OEMs speed software development for 3G-LTE base stations, as well as a high-density reference board design and DSP enablement platform that enables customers and third parties to speed development of next-generation wireless infrastructure equipment. The MSC8154AMC (Advanced Mezzanine Card) integrates three four-core MSC8154 DSPs and is designed for 3G-LTE, TDD-LTE, W-CDMA and WiMAX base stations as well as media gateway systems. Freescale also offers the MSC8156AMC solution, which is based on the six-core MSC8156 DSP.

"Freescale's MSC8154 processor builds on the success of the MSC8156 six-core device and introduces a lower cost option with optimised performance for lower bandwidth base station applications," said Scott Aylor, general manager of DSP Products for Freescale's networking and multimedia group. "In addition, the AMC reference design provides OEMs with an ideal platform to take full advantage of the benefits of future wireless standards."

The MSC8154 is a single device that features four fully-programmable 1GHz DSP cores delivering 4GHz of DSP processing power, plus the innovative MAPLE-B multi-standard base band specific accelerator. This combination, delivered in a single SoC, is suitable for use in cost-optimised systems. The SC3850 DSP core enables the MSC8154 to deliver up to 32GMACS of 16bit performance. The processor features high-speed standard interfaces (Dual sRIO, Dual SGMII, Dual DDR-3 and PCIe technologies) and large embedded multi-level memory with high-speed DDR interfaces.

The MSC8154 DSP's onboard Multi-Accelerator Platform Engine technology for base band, called MAPLE-B, works in concert with the four DSP cores to support the 3G-LTE, TDD-LTE, TD-SCDMA and WiMAX standards, as well as the symbol rate functionality of HSPA+. Delivering multi-standard capabilities on a single platform eliminates the need to redesign hardware for different base station standards, so the device is scalable across macro-, micro- and pico-base station form factors.

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