fsc-bt2054ri

FSC-BT2054RI Realtek RTL8761CTV BT5.3 Classic & LE Audio Module

FSC‑BT2054RI is a highly integrated Bluetooth 5.3 dual‑mode transceiver module powered by the Realtek RTL8761CTV chipset. It supports simultaneous operation of BR/EDR and LE links, allowing classic Bluetooth and BLE connections to be active at the same time. The module can be configured as either a master or a slave, and supports low‑power states for energy‑efficient operation.

 

Communication between the host and module is realized via the UART interface, while the FeasyBlue Bluetooth stack provides simple API functions for full control over audio and data transmission. Native support for LE Audio (including Auracast™) and classic audio profiles such as HFP, A2DP, and AVRCP ensures flexible wireless connectivity across a wide range of use cases.

 

Preloaded with Feasycom’s powerful and user‑friendly firmware, FSC‑BT2054RI enables developers to quickly integrate robust Bluetooth functionality into their designs with minimal development effort.

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              • RTL8761CTV Bluetooth® 5.3 dual-mode wireless MCU for protocol stack execution. Integrated Bluetooth classic (BR/EDR) and low energy (BLE) with support for simultaneous operation.
              • Bluetooth LE Audio:

                • LE Isochronous Channel (CIS/BIS/ISOAL)
                • Support LE Audio CIS/BIS Auracast
              • Bluetooth Classic Audio:

                • Bluetooth Synchronous Connection-Oriented Channel (SCO: HFP)
                • Bluetooth Asynchronous Connection-Less Channel (ACL: A2DP)
                • Profiles supported: SPP, A2DP, HFP, AVRCP, PBAP, HICAR, AAP
              • Bluetooth Controller:

                • Compatible with Bluetooth v2.1 and v3.0 systems
                • Supports Bluetooth 5.3 Low Energy (BLE) HS-UART interface for Bluetooth data transmission compliant with H4 specification
                • Integrates MCU to execute Bluetooth protocol stack
                • Supports all packet types in basic rate and enhanced data rate
                • Supports legacy pairing and secure simple pairing in BR/EDR and BLE
                • Supports Low Power Mode (Sniff mode)
                • Enhanced BT/Wi-Fi Coexistence Control to improve transmission quality in different profiles
                • Bluetooth 5.3 Dual Mode support simultaneous BLE and BR/EDR
                • Supports multiple Low Energy States
              • General:

                • 12mm × 17mm stamp 36-pin package
                • High speed digital peripheral interfaces: UART
                • Integrated 32 kHz oscillator for power management
                • Generic access service
                • Device information service
                • Support in-depth Custimization
Chip RTL8761CTV-CG
Bluetooth Version V5.3
Frequency Band 2402MHz ~ 2480MHz
Transmit Power +10 dBm (Max.)
Receiver -95dBm (Min.) @BLE 1Mbps
Interfaces UART/I2S/I2C
Profiles BLE/SPP/A2DP/HFP/AVRCP/PBAP/HICAR/AAP
Supply Voltage 3.3V（Typical）
Dimensions (mm) 12mm × 17 mm × 2.2mm
Operating Temperature -40°C ~+85°C
Storage Temperature -40°C ~+85°C
Lead Free Lead-free and RoHS compliant

 

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