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The BT8932F is Bluetrum's latest high-performance Bluetooth audio SoC specifically designed for TWS earbuds. It is manufactured using a 40nm advanced process technology and integrates a 32-bit RISC-V processor core, supporting the Bluetooth 6.0 protocol (compatible with 5.4+BR+EDR+BLE). This chip is specifically optimised for true wireless stereo (TWS) earbuds, offering ultra-low power consumption, high-definition audio quality, and intelligent noise cancellation. It has been successfully applied in multiple mainstream TWS earbud products.

BT8932F Product Features

High-performance audio processing capability

Built-in high-performance 32-bit RISC-V processor core, supporting DSP instructions, with a maximum operating frequency of 140MHz, enabling complex audio processing algorithms and delivering a high-quality audio experience.

High-performance stereo DAC with a signal-to-noise ratio of 104dB, supporting differential mode and VCMBUF mode, ensuring high-fidelity audio and dynamic range.

High-performance stereo ADC with a signal-to-noise ratio of 102dB, supporting flexible audio equaliser adjustment to meet the audio requirements of different users.

Excellent wireless connectivity performance

Compliant with Bluetooth 6.0 specifications, supporting TWS communication and master-slave switching, ensuring stable wireless connectivity.

Maximum transmit output power of +10.5dBm, with a receive sensitivity of -94.5dBm @ 2M EDR, maintaining stable connectivity even in complex environments.

Rich audio interfaces and features

Supports 2-channel MIC amplifier input for clear voice calls.

Supports multiple audio sampling rates, including 8, 11.025, 12, 16, 22.05, 32, 44.1, 48, 88.2, 96, 176.4, and 192 kHz, to meet the requirements of different audio formats.

Also supports feedforward ANC (FF ANC) and dual MIC DNN environmental noise cancellation (ENC), effectively reducing environmental noise and enhancing audio clarity and user auditory experience.

Low-power design  

An optimised power management system reduces power consumption while maintaining audio performance, extending the device's battery life.  

Flexible GPIO pins  

Flexible GPIO pins with programmable pull-up and pull-down resistors can be configured according to specific requirements.  

Supports GPIO wake-up or interrupt, enhancing the chip's flexibility and applicability.

BT8932F Product Specifications

Processor: 32-bit RISC-V processor with DSP instruction support, operating at up to 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; High-performance stereo ADC with a signal-to-noise ratio of 102dB; supports two-channel MIC amplifier inputs and multiple audio sampling rates

Package type: QFN32 (4×4mm)

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

Product applications

The BT8932F is primarily used in TWS earbuds. For example, the Baseus Bowie MF1 open-ear earbuds utilise this chip.

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