RTL8762E Series RTL8762E Series
RTL8762E Series

Introduction

RTL8762E support Bluetooth 5.2+2.4GHz proprietary, ultra low power. With 40MHz ARM Cortex-M0+ processor, large size Flash/SRAM, and flexible GPlO design. lt's widely used in remote controller/smart home/Mesh/low-cost wearable/smart health & medical/smart meters/smart lock.

DESCRIPTION

CHIP

Specifications

General Description
  • Supports Bluetooth 5.2 core specification+2.4GHz proprietary
  • Supports LE 2Mbps
  • LE advertising Extensions
  • LE Long Range
  • High Duty Cycle Non-Connection Advertising
  • Supports OTA (Over-The-Air)
  • Supports AoA/AoD
MCU Platform
  • ARM Cortex-M0+ max frequency 40MHz
  • 104KB SRAM totally
  • Serial Flash Controller (1-bit&4-bits mode) with 8KB 4-way cache
  • Supports AES-128/192/256 encryption/descyption engine
  • Flash 512KB/1024KB (depends on part number)
Peripheral Interface
  • Flexible GPIO
  • Hardware Keyscan and Quad-decoder
  • Embedded IR transceiver and reciever
  • Real-Time Counters (RTC)
  • SPI master/slave ×2, Timers ×8, I2C ×2, PWM ×8, UART ×2
  • 400ksps, 10bits, 4 channels AUXADC
  • I2S/PCM interface
  • Internal 32K RCOSC to keep BLE link
  • Embedded PGA and audio ADC
RF Performance
  • Tx Power: 0/4/7.5dBm adjustable (refer to datasheet for details)
  • Rx Sensitivity: -97dBm@1M
  • Fast AGC control to improve receiving dynamic range
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RTL8762E Series

General Description
  • Supports Bluetooth 5.2 core specification+2.4GHz proprietary
  • Supports LE 2Mbps
  • LE advertising Extensions
  • LE Long Range
  • High Duty Cycle Non-Connection Advertising
  • Supports OTA (Over-The-Air)
  • Supports AoA/AoD
MCU Platform
  • ARM Cortex-M0+ max frequency 40MHz
  • 104KB SRAM totally
  • Serial Flash Controller (1-bit&4-bits mode) with 8KB 4-way cache
  • Supports AES-128/192/256 encryption/descyption engine
  • Flash 512KB/1024KB (depends on part number)
Peripheral Interface
  • Flexible GPIO
  • Hardware Keyscan and Quad-decoder
  • Embedded IR transceiver and reciever
  • Real-Time Counters (RTC)
  • SPI master/slave ×2, Timers ×8, I2C ×2, PWM ×8, UART ×2
  • 400ksps, 10bits, 4 channels AUXADC
  • I2S/PCM interface
  • Internal 32K RCOSC to keep BLE link
  • Embedded PGA and audio ADC
RF Performance
  • Tx Power: 0/4/7.5dBm adjustable (refer to datasheet for details)
  • Rx Sensitivity: -97dBm@1M
  • Fast AGC control to improve receiving dynamic range

Part Number Comparison

Part Number
RTL8762ESF
RTL8762ERF
RTL8762EJF
RTL8762EMF
RTL8762EKF

MCU

CM0+@40MHz

CM0+@40MHz

CM0+@40MHz

CM0+@40MHz

CM0+@40MHz

Embedded Flash

512KB

512KB

512KB

512KB

1024KB

GPIO (max)

11

18

26

26

34

Package (mm)

QFN24, 3×4

QFN32, 5×5

QFN40, 5×5

QFN40, 5×5

QFN48, 6×6

Applications

Learn about the typical application cases that the RTL8762E series can be used to implement. Of course, there are more applications waiting for you to discover.

Electronic Shelf Label
Electronic Shelf Label

The ESL (Electronic Shelf Label) is a high-quality, multi-functional IoT platform with significant potential in the retail, warehousing, and healthcare sectors. Realtek's solution, integrating IEEE 802.15.4, 2.4G proprietary technology, and BLE technology, not only offers competitive hardware costs but also ensures compatibility with existing products. The demand and recognition for ESL in the market have increased rapidly, with sales and revenue reaching new highs, and major suppliers implementing large-scale deployments. The introduction of the Bluetooth® electronic price tag standard further promotes the digital transformation of retail operations, accelerates ESL's application in dynamic pricing systems, and brings new opportunities to the market.

Bluetooth Mesh
Bluetooth Mesh

Realtek Bluetooth Mesh leverages wide coverage, high reliability, easy deployment, and low power consumption to empower scenarios such as smart homes, industrial control, commercial lighting, and smart buildings—enabling efficient interconnection of large-scale nodes and delivering flexible, secure, and scalable wireless network solutions.

Smart Lock
Smart Lock

Bluetooth smart lock enable keyless access via smartphone or custom passwords, offering both convenience and security. Bluetooth technology ensures quick response, low power consumption, and easy installation. Realtek's Bluetooth chip series provides full support with stable connectivity and mature development tools, helping customers bring competitive products to market efficiently.

Smart Ring
Smart Ring

The smart ring is a multifunctional wearable device that integrates features such as health monitoring, activity tracking, and message notifications. Its stylish and refined appearance, combined with a comfortable wearing experience, makes it an effective assistant for managing daily life. By connecting to a smartphone via Bluetooth, this smart ring perfectly merges technology with aesthetics to offer users a convenient lifestyle.

Smart HMI
Smart HMI

The Realtek HMI system integrates multiple connection protocols such as Wi-Fi, Thread, Matter, and BLE, and is equipped with efficient UI development tools to provide customers with a one-stop solution from "underlying connection" to "top-level interaction". It adopts a dual RF scheme, supporting the 15.4 protocol and BLE Mesh to work collaboratively, reducing the loss rate of critical events in smart homes. The system also supports Ethernet and CAN interfaces, meeting the stable communication needs of industrial automation and vehicle data reading. Additionally, users can use the LVGL, Honey GUI engine, and RVD tools to quickly develop smooth touch interfaces.

Bluetooth Dual Mode Data Transfer (ATCMD)
Bluetooth Dual Mode Data Transfer (ATCMD)

Bluetooth Transparent Transmission technology offers a simple and efficient solution for wireless data transfer, equipping traditional embedded devices with wireless transmission capabilities and enabling high-efficiency data exchange with other Bluetooth devices. Realtek's diverse range of Bluetooth transparent transmission solutions, characterized by their innovation and flexibility, breaks through the limitations of traditional technologies and brings a revolutionary connectivity experience to modern devices.

Electronic Shelf Label
Electronic Shelf Label

The ESL (Electronic Shelf Label) is a high-quality, multi-functional IoT platform with significant potential in the retail, warehousing, and healthcare sectors. Realtek's solution, integrating IEEE 802.15.4, 2.4G proprietary technology, and BLE technology, not only offers competitive hardware costs but also ensures compatibility with existing products. The demand and recognition for ESL in the market have increased rapidly, with sales and revenue reaching new highs, and major suppliers implementing large-scale deployments. The introduction of the Bluetooth® electronic price tag standard further promotes the digital transformation of retail operations, accelerates ESL's application in dynamic pricing systems, and brings new opportunities to the market.

Bluetooth Mesh
Bluetooth Mesh

Realtek Bluetooth Mesh leverages wide coverage, high reliability, easy deployment, and low power consumption to empower scenarios such as smart homes, industrial control, commercial lighting, and smart buildings—enabling efficient interconnection of large-scale nodes and delivering flexible, secure, and scalable wireless network solutions.

Smart Lock
Smart Lock

Bluetooth smart lock enable keyless access via smartphone or custom passwords, offering both convenience and security. Bluetooth technology ensures quick response, low power consumption, and easy installation. Realtek's Bluetooth chip series provides full support with stable connectivity and mature development tools, helping customers bring competitive products to market efficiently.

Smart Ring
Smart Ring

The smart ring is a multifunctional wearable device that integrates features such as health monitoring, activity tracking, and message notifications. Its stylish and refined appearance, combined with a comfortable wearing experience, makes it an effective assistant for managing daily life. By connecting to a smartphone via Bluetooth, this smart ring perfectly merges technology with aesthetics to offer users a convenient lifestyle.

Smart HMI
Smart HMI

The Realtek HMI system integrates multiple connection protocols such as Wi-Fi, Thread, Matter, and BLE, and is equipped with efficient UI development tools to provide customers with a one-stop solution from "underlying connection" to "top-level interaction". It adopts a dual RF scheme, supporting the 15.4 protocol and BLE Mesh to work collaboratively, reducing the loss rate of critical events in smart homes. The system also supports Ethernet and CAN interfaces, meeting the stable communication needs of industrial automation and vehicle data reading. Additionally, users can use the LVGL, Honey GUI engine, and RVD tools to quickly develop smooth touch interfaces.

Bluetooth Dual Mode Data Transfer (ATCMD)
Bluetooth Dual Mode Data Transfer (ATCMD)

Bluetooth Transparent Transmission technology offers a simple and efficient solution for wireless data transfer, equipping traditional embedded devices with wireless transmission capabilities and enabling high-efficiency data exchange with other Bluetooth devices. Realtek's diverse range of Bluetooth transparent transmission solutions, characterized by their innovation and flexibility, breaks through the limitations of traditional technologies and brings a revolutionary connectivity experience to modern devices.

*Specific applications may can only be supported by certain chips