Embedded Computing Design

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Xtensa LX3

Tensilica — November 2009

Xtensa LX3

A high-performance customizable dataplane processor (DPU) optimized for DSP and control in SOCs with over 10 GigaMACs/sec performance

  • The base Xtensa LX3 DPU configuration can reach speeds of over 1 GHz in 45nm process technology (45GS) with an area of just 0.044 mm2 and power of 0.015 mW/MHz
  • Broadest choice of DSP options including 32-bit IEEE-754 compliant single-precision floating point unit & 64-bit IEEE-754 compliant double precision floating point accelerator
  • Optional HiFi 2 Audio DSP, ConnX D2 16-bit DSP, and Vectra VLIW DSP engine
  • Automated new instruction insertion for fool-proof customizations - write your own or just submit C code for analysis
  • Multicore design support with modeling and high-performance simulations
  • Natural connectivity to RTL blocks using direct GPIO and Queue interfaces

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