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NEC Electronics has developed the MP211, an application processor for mobile phones that features three CPUs and a DSP on a single chip, enabling multimedia processing such as digital terrestrial broadcast reception, videophone replay, and music replay, with modest power requirements. Proprietary software technology allows the CPU cores to perform processing in parallel, and through optimum task allocation between three CPUs according to the used application, high performance and low power consumption are both realized.
Further reductions in power consumption have been achieved by optimizing the MP211 for cellular phone terminals, a product category for which maximizing battery life is essential, through fine power management according to usage conditions, including the use of separate power supplies for the internal circuits and the selective implementation of a sleep mode for specific circuits.
The MP211 also features a high-performance DSP designed based on the digital signal processor technology accumulated over many years by NEC Electronics. Among other things, this DSP supports H.264 decoding essential for digital terrestrial broadcast reception, encoding and decoding for various formats such as MPEG-4 and JPEG, enabling the use of a large array of multimedia applications through software processing only, without any additional dedicated hardware.