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bl808's Introduction

BL808 是一个三核异构架构的AIoT芯片,采用的都是RISC-V架构,最高时钟频率达480MHz。芯片主要包含无线和多媒体两个子系统。

M0集成Wi-Fi/BT/Zigbee无线子系统,可以实现多种无线连接和数据传输,采用平头哥 E907 320MHz 32-bit RISC-V CPU,采用 5 级流水线结构,支持RISC-V 32/16 位混编指令集,包含64个外部中断源,有4个bits可以用于配置中断优先级。M0 包含 32K 指令 cache 和 16K 数据 cache。

D0集成DVP/CSI/ H264/NPU等视频处理模块,采用平头哥 C906 480MHz 64-bit RISC-V CPU,采用 5 级流水线结构,支持 RISC-V RV64IMAFCV 指令架构,包含67个外部中断源,有 3 个 bits 可以用于配置中断优先级。D0 包含 32K 指 令 cache 和 32K 数据 cache。

BL808内部还有一个LP核,采用的是平头哥E902,主频160MHz。

关键特性

  • 480 MHz C906 + 320MHz E907 + 160MHz E902
  • 100GOPS NPU(BLAI-100)
  • MJPEG and H264(Baseline/Main)
  • Wi-Fi 802.11 b/g/n Wi-Fi4
  • Bluetooth 5.x Dual-mode BT + BLE
  • USB HS OTG

可以预见在2023年,BL808将在AIoT市场掀起新一轮变革。

bl808's People

Contributors

qitas avatar

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