Introduction
The RTL8773E series is a single-chip Bluetooth SoC audio solution for smart display applications. The RTL8773E series is qualified for Bluetooth 5.4 specifications, and embedded hardware modules include a low-power MCU, a low-power DSP, high-performance audio codec, 2.5D image engine, image decompression unit, power management unit, ADC, ultra-low power RF transceiver, and smart I/O distribution controller. And it integrates QSPI, I8080, and RGB display interfaces, making it a single-chip solution suitable for smart display applications.
DESCRIPTION
CHIP
Highlights
2.5D engine supports rendering, scaling, rotating, deforming, and other processing of graphics.
CPU computing power and MCU memory provide sensor algorithms or external device control capabilities.
DSP computing power provides powerful speech and audio processing capabilities.
Includes Bluetooth LE Bluetooth Legacy Audio、LE Audio, Implement product requirements with the latest technology.
Integrated with QSPI, I8080, and RGB565/888 display interfaces to support various screen specifications.
RVD Tool offers a visual GUI design function with a comprehensive component library, enabling customers to design interfaces more efficiently and conveniently.
Specifications
- Bluetooth 5.4
- BLE Audio
- Max TX Power +13dBm
- Receive Sensitivity: -95.8dBm(BR), -95.6dBm (EDR), -100.6dBm (1M BLE), -96.5dBm (2M BLE)
- RM300F, 100MHz
- HiFi Mini, 200MHz
- 800kByte SRAM
- 0/4/8MByte PSRAM
- 2.5D Graphics Engine
- Display Controller
- Image Decompressor
- AMIC x 2, DMIC x 4
- Audio DAC x 1
- Up to 38 GPIOs
- SPIC x 3
- SDIO x 1
- ADC x 4
- Bluetooth 5.4
- BLE Audio
- Max TX Power +13dBm
- Receive Sensitivity: -95.8dBm(BR), -95.6dBm (EDR), -100.6dBm (1M BLE), -96.5dBm (2M BLE)
- RM300F, 100MHz
- HiFi Mini, 200MHz
- 800kByte SRAM
- 0/4/8MByte PSRAM
- 2.5D Graphics Engine
- Display Controller
- Image Decompressor
- AMIC x 2, DMIC x 4
- Audio DAC x 1
- Up to 38 GPIOs
- SPIC x 3
- SDIO x 1
- ADC x 4
Part Number Comparison
| Part Number | RTL8773EWE | RTL8773EWE-VP | RTL8773EWE-VS | RTL8773ETP | RTL8773EWP |
|---|---|---|---|---|---|
CPU | 100MHz | 100MHz | 100MHz | 100MHz | 100MHz |
Flash | External | External | External | External | External |
MCM PSRAM | N | 4MByte | 8MByte | 4MByte | 8MByte |
A-MIC | 2 | 2 | 2 | 2 | 2 |
DAC | 1 | 1 | 1 | 1 | 1 |
GPIO | 38 | 38 | 38 | 38 | 56 |
SDIO | Y | Y | Y | Y | Y |
SPIC | SPIC0, SPIC2 | SPIC0, SPIC2 | SPIC0, SPIC2 | SPIC0, SPIC2 | SPIC0, SPIC2 |
2D/2.5D | Y | Y | Y | Y | Y |
Display Resolution | 466x466, 16bit, 60fps | 466x466, 16bit, 60fps | 466x466, 16bit, 60fps | 466x466, 16bit, 60fps | 800×480, 16bit, 30fps |
NAND Boot | N | N | Y | N | N |
Package (mm) | QFN68, 7x7 | QFN68, 7x7 | QFN68, 7x7 | QFN68, 7x7 | QFN88, 10x10 |
| Suggest apps |  |  |  | / | / |
Resources
Applications
Learn about the typical application cases that the RTL8773E series can be used to implement. Of course, there are more applications waiting for you to discover.
Using a single BT SoC as the main controller for the smartwatch, connecting peripherals through interfaces such as SPIC, I2C, SPI, GPIO, I8080, MIC, DAC, etc., and connecting to a mobile phone via Bluetooth, a highly integrated smartwatch solution is achieved.
The chip integrates mainstream display interfaces and image processing engines available in the market, along with a rich set of peripheral interfaces such as SPI, I2C, CAN, PWM, and Keyscan. This enables dashboard products to deliver richer displays and smarter functionalities. The comprehensive product family also allows developers to easily select a suitable and competitive solution.
Realtek's Dashboard SDK includes a complete user UI development kit, empowering developers to rapidly bring their creative ideas to life.
Using a single BT SoC as the main controller for the smartwatch, connecting peripherals through interfaces such as SPIC, I2C, SPI, GPIO, I8080, MIC, DAC, etc., and connecting to a mobile phone via Bluetooth, a highly integrated smartwatch solution is achieved.
The chip integrates mainstream display interfaces and image processing engines available in the market, along with a rich set of peripheral interfaces such as SPI, I2C, CAN, PWM, and Keyscan. This enables dashboard products to deliver richer displays and smarter functionalities. The comprehensive product family also allows developers to easily select a suitable and competitive solution.
Realtek's Dashboard SDK includes a complete user UI development kit, empowering developers to rapidly bring their creative ideas to life.
*Specific applications may can only be supported by certain chips
