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发表于 2010-11-2 12:17:21
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Combining MCU and DSP capabilities
The Cortex-M4 processor combines the benefits of a microcontroller – integrated interrupt control, low power modes, low cost debug and ease of use – with high-performance digital signal processing features such as single-cycle MAC, single instruction multiple data (SIMD) techniques, saturating arithmetic, and a floating point unit. A Cortex-M0 coprocessor offloads many of the data movement and I/O handling duties that can drain the bandwidth of the Cortex-M4 core. This allows the Cortex-M4 to concentrate fully on crunching numbers for digital signal control applications. |
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