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Six-core DSP aims base station apps

Posted: 07 Nov 2008     Print Version  Bookmark and Share

Keywords:six-core device  DSP core  broadband base station  multi-standard accelerators 

Freescale Semiconductor will start sampling in Q1 of next year to selected customers a six-core device based on its StarCore SC3850 DSP core technology that is designed to dramatically improve the capabilities of wireless broadband base station equipment, including LTE.

The company gave initial details of the DSP, dubbed the MSC8156, which will be one of the first to be made in a 45nm process.

Freescale claims that with the chip's embedded multi-standard accelerators, no FPGAs or ASICs are needed for the target markets of WiMAX, HSPA, 3GPP-LTE, TDD-LTE and TD-SCDMA base stations.

The device is a single processor that replaces multiple discrete parts required by other solutions. When deployed in base station applications, the device is designed to deliver double the performance of Freescale's MSC8144 offering, which the company claims was previously the industry's highest performing programmable DSP.

Freescale says the MSC8156, tuned for OFDMA-based systems providing up to five times greater spectral efficiency than many advanced HSPA networks, enables optimal economics for operators.

The MSC8156 DSP's onboard Multi-Accelerator Platform Engine technology for base band, called MAPLE-B, works in concert with the six fully programmable DSP cores to support the 3G-LTE, TDD-LTE, TD-SCDMA and WiMAX standards, as well as the symbol rate functionality of HSPA and HSPA+.

Freescale plans to offer the device in two versions, based on different core speeds of 800 MHz and 1GHz. Pricing is expected to start at Rs.9,606.99 ($192) for 10K volumes.

- John Walko
EE Times Europe

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