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Overview

High level programmable, modern processor for a broad range of signal processing and control workloads

CEVA-BX2 is a multipurpose hybrid DSP and Controller, designed for the inherent low power requirements of DSP kernels with high-level programming and compact code size requirements of a large control code base.

The CEVA-BX2 addresses intensive workloads such as 5G PHY control, multi-microphone beamforming and neural networks for speech recognition, with up to 16 GMACs per second.

CEVA-BX2 uses quad 32X32-bit MACs and octal 16X16-bit MACs, with enhanced capability for supporting 16×8-bit and 8×8-bit MAC operations.

The CEVA-BX2 is using an 11-stage pipeline and 5-way VLIW micro-architecture, it offers parallel processing with dual scalar compute engines, load/store and program control that reaches a speed of 2 GHz at a TSMC 7nm process node using common standard cells and memory compilers.

The CEVA-BX2 Instruction Set Architecture (ISA) incorporates support for Single Instruction Multiple Data (SIMD) as well as optional floating point units for high accuracy algorithms.
The CEVA-BX2 is accompanied by a comprehensive software development tool chain, including:

  • Advanced LLVM compiler
  • Eclipse based debugger
  • DSP and neural network compute libraries
  • Neural network frameworks support
  • Real Time Operating Systems (RTOS)

Benefits

CEVA-BX2 combines low power DSP kernels execution with powerful control capabilities and compact code size
  • 4X more powerful than CEVA-X2
  • High-throughput DSP addresses complex applications
  • CEVA-Connect offloads the processor from data transfers to hardware accelerators and peripherals

Block Diagram

Tech Specs

FoundryTSMC
Target Process NodeTSMC 7nm

Features

  • Octal 16x16 MACs
  • Quad 32x32 MACs
  • 5-way VLIW
  • 8/16/32/64-bit data types
  • 16x8 and 8x8 Neural Network support
  • Half and single precision IEEE floating point units
  • Innovative Branch Target Buffer minimizing branch overhead
  • Hardware loop buffer for reduced power consumption of code loops
  • High performance controller
    • 4.5 CoreMark/MHz
    • Dynamic branch prediction
    • Full RTOS support
    • Compact code size
  • Advance system control
    • Automatic Queue and Buffer management mechanisms to integrate co-processors and create a cluster of CEVA-BX cores
    • Dedicated HW accelerator ports

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