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LSI Logic DSP with sub-$4 volume price point

Posted: 30 Sep 2004 ?? ?Print Version ?Bookmark and Share

Keywords:gspx international embedded solutions event? lsi logic? zspm lsiI403? digital signal processor? dsp?

During the GSPx International Embedded Solutions Event, LSI Logic Corp. announced the addition of an ultra low cost standard product to its ZSP LSI403 digital signal processor (DSP) chip family.

Featuring a sub-$4 volume price point, the LSI403LC offers a maximum throughput of 480MIPS, 96KB of on-chip memory, and operates at <40mW of power running at 120MHz. According to the company, this ZSP standard product is ideal for cost-sensitive applications requiring low power consumption, high throughput and flexibility such as VoIP terminals, battery-powered portable devices and low-cost consumer electronic devices.

"With the LSI403LC, we are offering four times the peak performance, three times the on-chip memory and half of the power of comparatively priced products," shared Brian Carlson, DSP product marketing manager for LSI Logic. "Our customers have an increasing need for signal processing capabilities with the right balance of performance, energy efficiency, price and on-chip memory, and we are delivering the optimal solution."

LSI403LC ingredients

Implemented in a 0.13?m copper technology process, the LSI403LC includes an enhanced 8bit host port interface (HPI) for glueless interfacing with host processors, a 128-channel TDM serial port, an 8-channel DMA controller, two 16bit timers and 96KB of on-chip memory. Configurable memory allows developers to optimize on-chip instruction and data memory allocation for their specific applications, and the large on-chip memory supports complete audio and voice applications, eliminating the need for external memory that would increase system cost and power.

Additionally, the new product is based on the company's ZSP400 DSP core, a 16bit fixed-point, dual-MAC, dual-ALU architecture that is capable of executing up to four instructions in parallel.

Housed in a 14-by-20mm, 128-pin PQFP package, the LSI403LC is immediately available and is priced below $4 in 10,000-unit volume shipments. Off-the-shelf bundled software is available for the device that supports up to four channels of voice for low-cost VoIP applications, as well as a wide range of optimized digital audio algorithms for consumer applications.

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