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PRODUCT OVERVIEW

BL8xx is a highly integrated AIoT chipset with WiFi/BT/BLE/Zigbee, Multi-Core CPUs, Audio Codec, ISP, Video Codec, and AI HW accelerator for high-performance & low-power application. 
Wireless subsystem contains 2.4G radios, Wi-Fi 802.11 b/g/n, Bluetooth 5.x and Zigbee baseband/MAC designs. Microcontroller subsystem contains Multi-Core RISC-V CPUs with floating point units, vector units, cache, DMA and memories for chip control, wireless communication, audio and video applications. Multimedia subsystem contains NPU HW NN co-processor (BLAI-100) generally used for AI applications, ISP (Image Signal Processor), Camera interface, Audio Codec, Video Codec, Sensor and Display interfaces. Power Management Unit provides low-power modes. Moreover, variety of security features are supported. Peripheral interfaces include USB2.0, Ethernet, SD/MMC, SPI, UART, I2C, I2S, PWM, GPDAC, GPADC, ACOMP, PIR, Touch, IR remote, Display and GPIOs. Flexible GPIO configurations are supported. BL808 has total 34 or 38 GPIOs.

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FEATURES​

Wireless (Tier-1 RF Performance)

  • 2.4 GHz RF transceiver 

  • Wi-Fi 802.11 b/g/n 

  • Bluetooth® 5.x Dual-mode (BT+BLE) 

  • Zigbee 3.0 / IEEE 802.15.4

  • Wi-Fi/Bluetooth/Zigbee Coexistence

  • 2.4 GHz RF transceiver

  • Integrated balun, PA/LNA

  • Support External PA/LNA 

 

Microcontroller

  • Multi-Core RISC-V CPUs

  • RTC timer up to One year

  • DMA channels

  • JTAG development support

  • XIP QSPI Flash support

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Memory

  • 2Kb eFuse

  • Embedded Flash (Optional)

  • Embedded pSRAM (Optional)

 

Security (Complete Security features)

  • Secure boot ; Secure debug

  • XIP QSPI On-The-Fly AES Decryption (OTFAD)

  • AES 128/192/256

  • MD5, SHA-1/SHA-2 224/256/384/512

  • TRNG (True Random Number Generator)

  • PKA (Public Key Accelerator)

Peripherals

  • USB2.0 FS device interface

  • Ethernet RMII interface

  • SD-card interface

  • UART interface

  • SPI interface

  • I2C interface

  • PWM channels

  • I2S interface

  • PDM interface

  • General-Purpose ADC

  • General-Purpose DAC

  • General analog comparators (ACOMP)

  • PIR (Passive Infra-Red) detection

  • IR remote HW accelerator

  • Support 12-Channel Touch

  • Flexible 34 or 38 GPIOs

 

Power (Ultra-low Power modes)

  • Off

  • Hibernate

  • Power Down Sleep (flexible)

  • Active

 

Clock

  • Support XTAL 24/32/38.4/40MHz

  • Support XTAL 32/32.768KHz

  • Internal RC 32KHz & 32MHz oscillator

  • Internal System PLL

 

Package Type

  • QFN88 (BL808)

TARGET APPLICATIONS​

  • Low-power AIoT Video/Audio applications

  •  Wireless Voice Intercom Two-Way Talk for Home and Office

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