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Chip introduction

BL702是一款支持BLE / Zigbee无线联网,内置单核RISC-V 32位CPU,支持多种安全机制,低功耗、高性能的物联网芯片。该芯片提供丰富的高速缓存和存储器资源,集合多种外设,为物联网产品提供行业领先的单芯片多用途解决方案,适用于广泛的物联网应用场景。

  • 内置RISC-V 处理器

    BL702内置带FPU的RISC-V 32 位单核处理器,时钟频率可达 144MHz,具有132KB RAM / 192KB ROM / 1Kb eFuse存储资源,支持外接Flash,可选配嵌入式 pSRAM。集成的多种外设、摄像头接口和丰富的GPIO管脚,满足各类物联网产品功能需求。

  • 领先的射频性能

    BL702支持长距离的 Bluetooth 5 (LE),支持Zigbee这两种无线连接方案,支持Zigbee 3.0基本设备行为,Core Stack R21,满足绿色能源标准,有助于构建基于BLE/Zigbee、应用功能更强大的物联网设备及解决方案。

  • 强大的安全机制

    BL702支持QSPI Flash即时 AES 解密(OTFAD)- AES - 128 和 CTR+ 模式;支持 AES 128/192/256 位加密引擎;支持MD5,SHA-1/224/256/384/512;提供公钥加速器 (PKA)。强大的安全机制确保设备安全连接,保障应用程序接口安全。

  • 丰富的软件支持

    BL702使用物联网开发框架BL_IOT_SDK。BL_IOT_SDK历经了严格的应用测试,已成功应用于几千万台物联网设备。开发人员基于其成熟和清晰的软件架构,完善的API 和易用的工具,将更容易构建BL702的应用程序或进行其他平台的方案移植。BL702的无线连接SDK和外设SDK,构建了丰富的物联网连接、通信和控制功能,可实现更多智慧互联应用。

Chip application scenarios
  • 全屋家居
    智能照明:灯带、吸顶灯、无极调灯
    智能家电:插座、窗帘
    智能安防:门锁、门磁
    智能传感器:烟感、水浸、一氧化碳、门磁
    智能穿戴
Basic parameters
中央处理器 32 位 RISC-V CPU
内存 132KB RAM、192KB ROM、1Kb eFuse 和可配置的嵌入式 Flash 闪存及 PSRAM
缓存 16KB L1 Cache
性能 1.46 DMIPS / MHz
效率 3.1 CoreMark / MHz
安全功能 ■安全启动 ■安全调试端口 ■QSPI Flash 即时 AES 解密(OTFAD)- AES - 128和 CTR+ 模式 ■AES 128/192/256 位加密引擎 ■SHA-1/224/256 ■支持 MD5,SHA-1/224/256/384/512 ■真实随机数发生器 (TRNG) ■公钥加速器 (PKA)
安全硬件 TrustZone
无线协议支持 IEEE 802.15.4 MAC/PHY、低功耗 Bluetooth 5.0、2.4GHz 射频收发器、zigbee 3.0
无线数据速率
TX功率 0-14 dBm
RX灵敏度 -104~-98 dBm于125Kbps; -100~-97 dBm于500Kbps; -97~-94 dBm于1Mbps; -94~-92 dBm于2Mbps;
3v DC/DC 下RF 耗电量 RX:3.5 mA MAX TX: 45 mA
Development board

BL702-IoT-DVK

The BL702 IoT development board is the smallest system board of the BL702. The development board basically leads out the available pins of the BL702, and also leads out the JTAG debug pins, which can be used to quickly evaluate the development process and basic performance of the BL702 chip.
详细介绍
  • Quick evaluation of BLE & zigbee

    The BL702-IoT-DVK is a small development board based on the BL702 module, which can be used to evaluate the performance of BLE and zigbee.

  • Flexible and rich I/O interface

    BL702-IoT-DVK leads out most of the GPIO ports, which is convenient for users to connect other peripherals and can easily realize product development. In addition, the backplane includes a JTAG interface, which is convenient for users to debug programs.

Front
Back
Right oblique
Left diagonal
Module
Interface

BL706-AVB

The BL706 AVB development board is a development board dedicated to evaluating the performance of the BL706 Camera and I2S. The development board has a DVP sensor interface that can be used to connect the camera sensor; the MJPEG module of the BL706 can easily test the image processing performance of the BL706; BL706 AVB development The board also brings out the I2S function, and the audio processing capability of the BL706 can be easily evaluated with the Audio codec; in addition, the development board also has a set of SPI screen interfaces, which can be used to connect the SPI screen to test the display driving capability of the BL706.
详细介绍
  • Wide range of applications

    BL706-AVB was born for audio and video applications, suitable for smart home, smart speakers, voice story machines and other equipment, to meet the development of various audio and video and AIOT applications.

  • Flexible and rich I/O interface

    The BL706-AVB baseboard includes Camera interface, I2S interface and SPI interface, etc. It can be connected to DVP Sensor, Audio Codec, SPI LCD and other devices to meet the user's audio and video development needs.

Front
Back
Right oblique
Left diagonal
Module
Interface

BL706-IoT-DVK

The BL706-IoT-DVK development board is mainly used to evaluate BLE and ZigBee of the BL706. The circuit board is small and concise, consisting of the smallest system module and a backplane with a USB-to-serial port. Most of the GPIOs are drawn out on the backplane to facilitate users to connect other external The bottom plate also includes a JTAG interface, which is convenient for users to debug the program.
详细介绍
  • Quick evaluation of BLE & zigbee

    The BL706-IoT-DVK is a small development board based on the BL706 module, which can be used to evaluate the performance of BLE and zigbee.

  • Flexible and rich I/O interface

    BL706-IoT-DVK leads out most of the GPIO ports, which is convenient for users to connect other peripherals and can easily realize product development. In addition, the backplane includes a JTAG interface, which is convenient for users to debug programs.

Front
Back
Right oblique
Left diagonal
Module
Interface

BL-HWC-G1

The BL-HWC-G1 development board is suitable for smart home application development and adapts to various sensor interfaces; it can be extended to gateway applications and supports WiFi/BLE/Zigbee
详细介绍
  • Support Wi-Fi & BLE & Zigbee connection

    The BL-HWC-G1 development board consists of two core systems: BL602 hardware system and BL706 hardware system. BL602 is a Wi-Fi+BLE Combo chip, and BL706 is a BLE5.0 + Zigbee3.0 Combo chip.

  • Support multi-platform development

    The SDIO interface in the BL604E-IoT-DVK is led out by means of golden fingers, which is convenient to connect with other platforms.

  • Flexible and rich I/O interface

    Four types of female sockets are preset to adapt to common standard sensor modules on the market. The functions that can be realized through software configuration are as follows: (1) USB-to-UART bridge chip, which can be used for chip programming and system debugging; (2) Reset button and boot mode control button; (3) Support automatic download function; (4) Support peripheral sensors such as I2C, SPI, UART and PWM; (5) Support WiFi/BLE/Zigbee through simple hardware modification Gateway development (6) Support JTAG+GDB debugging function

Front
Back
Right oblique
Left diagonal
Module
Interface
BL_IOT_SDK

BL_IOT_SDK has undergone rigorous application testing and has been successfully applied to tens of millions of IoT devices. Based on its mature and clear software architecture, complete API and easy-to-use tools, developers will be easier to build wireless interconnection applications of chips. Using BL_IOT_SDK can help you quickly develop related applications focusing on wireless interconnection, obtain compact code, save development time, and speed up product launch.

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BL_MCU_SDK

BL_MCU_SDK is rich in content and complete in functions. It has undergone rigorous application testing and has been successfully applied to tens of millions of IoT devices. Based on its mature and clear software architecture, complete API and easy-to-use tools, developers will be easier to build chip applications or port solutions to other platforms. The porting and application work of RTOS / LVGL / TFLite in the SDK also helps developers develop in-depth AIoT applications.

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