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The BT8932H is a high-performance Bluetooth audio SoC primarily designed for Bluetooth audio devices such as TWS earbuds. The BT8932H features an integrated high-performance 32-bit RISC-V processor core with DSP instruction support, operating at a maximum frequency of 140MHz. Compliant with Bluetooth 6.0 + BR + EDR + BLE specifications, it offers robust audio processing capabilities and low-power characteristics, making it ideal for applications such as TWS earbuds that demand high audio quality and long battery life.

BT8932H Product Specifications

Processor: High-performance 32-bit RISC-V processor core with DSP instruction support, typical operating speed of 140MHz

Memory: Built-in 16Mbit flash memory and 320KB RAM

GPIO Pins: Flexible GPIO pins with programmable pull-up and pull-down resistors, supporting GPIO wake-up or interrupts

Bluetooth Performance: Maximum transmit output power +10.5dBm, receive sensitivity -94.5dBm @ 2M EDR, supports TWS communication and master/slave switching

Audio Interface: High-performance stereo DAC with a signal-to-noise ratio of 104dB, supporting differential mode and VCMBUF mode; Three-channel high-performance ADC with a signal-to-noise ratio of 102dB; supports three-channel MIC amplifier inputs and multiple audio sampling rates

Noise cancellation: Supports feedforward, feedback, and hybrid active noise cancellation

Other features: Supports a neural network processing unit (NPU), low-power touch keys, in-ear detection, etc., with an integrated PMU.

Package type: QFN32 (4×6mm)

Operating temperature range: -40°C to 85°C

BT8932H Product Performance

High-performance audio processing: High-performance 32-bit RISC-V processor and DSP instructions enable complex audio processing algorithms, delivering a high-quality audio experience.

Low-power design: Optimised power management system reduces power consumption while maintaining audio performance, extending device battery life.

Robust Bluetooth connectivity: Compliant with Bluetooth 6.0 specifications, supports TWS communication and master/slave switching, ensuring stable wireless connectivity and an excellent user experience.

Excellent audio quality: High signal-to-noise ratio DAC and ADC, along with support for multiple audio sampling rates, ensure high-fidelity audio and dynamic range.

Diverse noise cancellation modes: Supports feedforward, feedback, and hybrid active noise cancellation, effectively reducing environmental noise and enhancing audio clarity and user auditory experience.

Product Applications

The BT8932H is primarily used in TWS earbuds, such as the Baseus AirNora 3 True Wireless Noise-Cancelling Earbuds.

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