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BL-73B WiFi+Bluetooeh

BL-73B WiFi+Bluetooeh

BL-73B is a WiFi+BLE+speech recognition module composed of wifi+ble single chip SoC(BL602) and speech chip. the core processor BL602 of the module integrates the baseband and MAC design of 2.4G Wi-Fi

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BL-73B is a WiFi+BLE+speech recognition module composed of wifi+ble single chip SoC(BL602) and speech chip. the core processor BL602 of the module integrates the baseband and MAC design of 2.4G Wi-Fi (802.11b/g/n) and BLE 5.0. Its microcontroller subsystem includes a 32-bit RISC CPU with low power consumption, cache and memory. Integrate large on-chip memory and rich peripheral resources to facilitate users to develop IOT applications; Support single-wheat high-precision offline speech recognition, and quickly customize wake-up words and command words; On-board 3W audio amplifier; BL-73B module supports the standard IEEE802.11 b/g/n protocol and RTOS, and has a complete TCP/IP protocol stack. Users can use this module to develop voice recognition applications with networking function for existing devices, and can also use it as the main controller to design wireless network products, which can be quickly applied to smart homes, various smart small household appliances, 86 boxes, toys, lamps and other products requiring voice control.

图片关键词

图片关键词

  • 1.2.1 wireless


  • IEEE 802.11b/g/n, 1x1 SISO 2.4GHz


  • Bluetooth low energy consumption 5.0 supports BLE 5.0 channel selection # 2


  • Wi-fi 20mhz bandwidth


  • Wi-fi security wps/WEP/wpa/wpa2 personal/wpa2 enterprise/wpa3


  • Sta, SoftAP and STA+SoftAP mode


  • Wi-Fi and BLE coexist, and BLE helps to realize wi-fi fast connection


  • Integrated balun, PA/LNA


  • Support Smart Config/AirKiss (WeChat) one-click distribution network


  • Support serial port local upgrade and remote firmware upgrade (FOTA)


  • The general AT instruction can quickly get started to support secondary development, and integrates Windows and Linux development environments


  • 1.2.2 MCU subsystem


  • 32-bit RISC CPU with FPU (Floating Point Unit)


  • An RTC timer is updated every year


  • Two 32-bit general timers


  • The four DMA channels


  • Dfs (dynamic frequency scaling) ranges from 1MHz to 192MHz


  • JTAG development support


  • Xip qspi flash has hardware encryption support


  • 1.2.3 memory


  • 276KB RAM


  • 128KB ROM


  • 1Kb eFuse


  • Embedded Flash memory (optional)


  • 1.2.4 safety mechanism


  • Qspi flash instant AES decryption (OTFAD)- AES-128, CTR mode


  • Support AES 128/192/256-bit encryption engine


  • SHA-1/224/256 is supported


  • True random number generator (TRNG)


  • Public Key Accelerator (PKA) 1.2.5 Voice


  • Built-in 3W, Monophonic Class D Amplifier


  • Supports 1 electret microphone


  • Support fast customization of up to 100 voice commands