FSC-BT1038B Qualcomm QCC3084 BT5.4 Classic Audio & LE Audio Bluetooth module
FSC-BT1038B is a high-performance dual-mode Bluetooth 5.4 audio module that uses the advanced Qualcomm QCC3084 chipset, supports classic Bluetooth audio reception, LE Audio reception, and has many functions such as LC3 storage and decoder, audio streaming, Auracast broadcast audio, hearing aid support, hybrid active noise reduction, cVc, aptX, aptX-HD, aptX lossless sound quality and aptX-Adaptive. FSC-BT1038B integrates MCU, DSP, RF controller and on-board antenna. It has built-in easy-to-use firmware by default. Developers can quickly integrate Bluetooth functions through simple serial port AT commands, thereby shortening the product design and development cycle.
Development board
fsc-db200 
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- Qualcomm QCC3084 The Bluetooth® v5.4 Bluetooth module integrates a 240 MHz Qualcomm® Kalimba™ audio digital signal processor, a 32/80 MHz developer processor for applications, and a system firmware processor.
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- BluetoothLE Audio:
- LE isochronous channel (CIS/BIS/ISOAL)
- LC3 optimized decoder, audio streaming, Auracast broadcast audio, hearing aid support
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- Bluetooth Classic Audio:
- Bluetooth Synchronized Audio Link (SCO: HFP)
- Bluetooth Asynchronous Audio Link (ACL: A2DP)
- Supports Qualcomm® aptX™, aptX™ HD, aptX™ lossless compression, aptX™ automatic adaptation (need to use a license key to enable)
- RF radio frequency specifications:
- Comply with Bluetooth v5.4 specification, and compatible with old version specifications such as v2.1/v4.0/v5.0
- Supports Class 1 transmit power
- General characteristics:
- 13mm × 26.9mm 52-pin stamp package
- The onboard antenna is used by default and supports the installation of external Feitong antenna or other antennas.
- Power consumption (A2DP audio transmission) is less than 5mA
- Qualcomm® Bluetooth High Speed Link
- Supports lossless music playback via Snapdragon Sound
- High-performance 24-bit audio interface
- Uses 1 or 2 microphones with Qualcomm® cVc™ technology for headphone voice processing
- Supports I²S/PCM and SPDIF high-level interfaces
- Supports Amazon voice service, Google Assistant
- Digital and analog microphone interfaces
- Flexible LED controller and PWM-enabled LED pins
- Serial interface support: UART, bit serializer (I²C/SPI), USB 2.0
- Both ADC and DAC support 8/16/32/44.1/48/96kHz detection rate, and DAC also supports 192/384kHz detection rate.
- Supports ANC Active Noise Cancellation: Hybrid, Feedforward and Feedback modes, can be enabled via digital or analog microphone (Qualcomm® license key required)
- Other agreement support: SPP, ATT, GATT, etc.
- Integrated PMU: dual SMPS for system and digital circuits, built-in lithium battery charger
- Support OTA upgrade
- Support deep customization
- Compatible with FeasyLEA LE audio app
- Bluetooth Classic Audio:
- BluetoothLE Audio:
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| wafer | Qualcomm QCC3084 |
| Bluetooth version | Bluetooth v5.4 dual mode |
| Transmit power | Basic rate: +10 dBm (Type VBAT=3.7V) |
| Receive sensitivity | Basic rate: -96 dBm (Type VBAT=3.7V) |
| Audio Codec | LC3, aptX, aptX HD, aptX Adaptive (Enable via license key), SBC and AAC |
| protocol | BR/EDR: A2DP/AVRCP/HFP/HSP/PBAP/SPP BLE: CIS/BIS/Auracast/GATT/HOGP |
| Number of GPIOs | 25 |
| interface | UART/I2C/SPI/I²S/PCM/USB |
| antenna | The onboard antenna is used by default and supports the installation of external Feitong antenna or other antennas. |
| size (mm) | 13 × 26.9 × 2.2 |
| working temperature | -40°C ~ +85°C |
| storage temperature | -40°C ~ +85°C |
| Supply voltage | VBAT: 3.0V ~ 4.2V VDD_IO: 1.8V ~ 3.3V |
audio equipment
Documentation