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