In your product, if you need to add BLE function, Realtek's Bee series is definitely your best choice. We offer mutiple BLE SoC solutions with excellent RF performance and low power consumption. Different platforms and interface components also provide flexible choices for various applications. Every year, hundreds of millions of chips were applied to their products by our partners. Our best values are excellent RF performance, super-compatible protocol stack, easy-to-do software and tools and the fastest, most detailed services.
Product Comparison
MCU |
Real-M300V compatible with ARM-M55@125MHz |
ARM Cortex-M0+@40MHz |
ARM Cortex-M0+@40MHz |
ARM Cortex-M4F@90MHz |
ARM Cortex-M4F@40MHz |
Flash |
4MB/8MB/16MB/32MB/External |
4MB/8MB/External |
4MB/8MB/External |
4MB/8MB/External |
2MB/4MB/External |
RAM |
384KB |
120KB |
104KB |
192KB |
160KB |
Protocol |
Bluetooth 5.3
2.4G Proprietary
IEEE 802.15.4
Thread/Zigbee |
Bluetooth 5.4
2.4G Proprietary
IEEE 802.15.4
Thread/Zigbee |
Bluetooth 5.2
2.4G Proprietary |
Bluetooth 5.1 |
Bluetooth 5.0 |
Max TX Power |
+4dBm/+14dBm |
+7.5dBm |
+7.5dBm |
+7.5dBm |
+7.5dBm |
RX Sensitivity (BLE 1M) |
-98dBm |
-97dBm |
-97dBm |
-97dBm |
-97dBm |
Ethernet RMII |
×1 |
N |
N |
N |
N |
Digital Interface |
UART ×6, I2C ×4, SPI ×2
PWM ×8
Keyscan ×1
Quad-decoder ×1
IR Transceiver ×1 |
UART ×3, I2C ×2, SPI ×2
PWM ×8
Keyscan ×1
Quad-decoder ×1
IR Transceiver ×1 |
UART ×2, I2C ×2, SPI ×2
PWM ×8
Keyscan ×1
Quad-decoder ×1
IR Transceiver ×1 |
UART ×3, I2C ×2, SPI ×2
PWM ×8
Keyscan ×1
Quad-decoder ×1
IR Transceiver ×1 |
UART ×3, I2C ×2, SPI ×2
PWM ×8
Keyscan ×1
Quad-decoder ×1
IR Transceiver ×1 |
Display Interface |
SPI, QSPI, I8080
RGB565, RGB888
LCD COM |
SPI, QSPI, I8080 |
SPI, QSPI, I8080 |
SPI, QSPI, I8080 |
SPI, QSPI, I8080 |
Security |
TrustZone
Secure Boot
AES/SHA/ECC/RSA
TRNG
Flash On-the-Fly Decryption |
Secure Boot
TRNG
AES/SHA |
TRNG
AES/SHA |
Secure Boot
TRNG
AES/SHA/RSA |
Secure Boot
AES/SHA/RSA |
Audio Codec |
AMIC ×1, DMIC ×2
I2S/PCM ×2
Mono DAC ×1 |
AMIC ×1, DMIC ×1
I2S/PCM ×1 |
AMIC ×1, DMIC ×1
I2S/PCM ×1 |
AMIC ×1, DMIC ×2
I2S/PCM ×2 |
AMIC ×1, DMIC ×1
I2S/PCM ×1 |
GPIO |
Up to 58 |
Up to 34 |
Up to 34 |
Up to 38 |
Up to 38 |
AUXADC |
8 channels, 12bits |
6 channels, 12bits |
4 channels, 10bits |
8 channels, 12bits |
8 channels, 12bits |
SDADC |
4 channels, 24bits |
N |
N |
N |
N |
USB |
USB2.0 High Speed ×1 |
N |
N |
N |
N |
Automotive 2-wire Connection (A2C) |
×1 |
×1 |
N |
N |
N |
Operating Temperature |
-40~85℃ |
-40~85℃ |
-40~85℃ |
-40~85℃ |
-40~85℃ |
Operation Voltage |
1.8~3.6V |
1.8~3.6V |
1.8~3.6V |
1.8~3.6V |
1.8~3.6V |
Package (mm) |
QFN32, 5×5
QFN48, 6×6
FN68, 7×7
QFN88, 10×10
WLCSP47, 3.21×3.21 |
QFN32, 5×5
QFN40, 5×5
QFN48, 6×6 |
QFN24, 4×3
QFN32, 5×5
QFN40, 5×5
QFN48, 6×6 |
QFN32, 5×5
QFN40, 5×5
QFN48, 6×6
QFN56, 7×7 |
QFN40, 5×5
QFN48, 6×6
QFN56, 7×7 |
SDK - Facilitating the Rapid Implementation of Innovative Bluetooth Low Energy Applications
No matter whether you are a large enterprise development team or an independent project developer, the Realtek BLE SoC SDK delivers professional, efficient, and flexible technical support for your Bluetooth application development. The SDK is deeply integrated with multi-OS interfaces (natively supporting FreeRTOS), a robust BLE protocol stack, extensive hardware drivers, and practical application examples. This allows you to focus on innovation and product differentiation without the need for repeated investment in foundational infrastructure.
Choose the Realtek BLE SoC SDK to accelerate your IoT innovation, reduce maintenance efforts, and deliver differentiated user experiences. For more information about the SDK, please refer to the BLE SoC SDK.
Hardware Kit
RTK provides an HDK kit, including reference schematics, hardware design guidelines, PCB layout suggestions, and a reference BOM, to help customers achieve hardware design success in the shortest possible time and achieve optimal performance.
For more information on Hardware Kit, please refer to: https://www.realmcu.com/en/Resources/Hardware/RTL8762G-RTL877xG-Series
Tools
Realtek provides a comprehensive, efficient, and stable development and production toolchain for its Bee Series Low-Power Bluetooth SoCs, supporting the entire product lifecycle from feature development, R&D debugging to mass production. This empowers customers to maximize development efficiency, accelerate time-to-market, and ensure final product quality.
To fully support product development based on Realtek Bee Series chips, we offer the following toolset:
I. Development & Build Tools
II. Production & Manufacturing Tools
III. Testing & Certification Tools
IV. Debugging & Analysis Tools
V. Mobile Firmware Update Tools
Tools and corresponding documentation can be accessed via RealMCU. For specific functional or operational inquiries about particular tools, please refer to the official user manuals or contact Realtek technical support.
Typical Applications
Bluetooth Mesh
Smart Lock
Mouse & Keyboard
Bluetooth Data Transfer
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