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Overview

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The BK3266 is a low power, highly integrated Bluetooth audio system-on-chip (SoC). It integrates a high-performance Bluetooth RF transceiver, a feature-rich baseband processor, a flash memory controller, multiple analog and digital peripherals, and a Bluetooth software stack including the audio, voice, and SPP profiles.

Features

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1. Operation voltage from 2.8 V to 4.2 V

2. 9 mA average current for A2DP

3. 300 uA for 500 ms sniff current

5. 0.8 uA deep sleep current

6. Bluetooth 5.0 classic and low energy

7. A2DP v1.3, AVRCP v1.6, HFP v1.7, HID v1.1, AVCTP v1.4, AVDTP v1.3, and SPP v1.2

8. True wireless stereo and two active link

9. Two wires UART download interface

10. 16 bits stereo ADC and DAC

11. Stereo line in and dual microphone

12. Five bands digital hardware equalizer

13. SPI, UART, I2C, SDIO and USB

14. I2S master and slave interface with MCLK output

15. Interface for external PA and LNA

16. Up to 220 mA battery charge controller