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Realtek provides highly integrated dual-mode Bluetooth single-chip solution

Realtek's Dual-Mode BT SOC series is a single-chip solution that integrates RF, PMU, CODEC, USB, high-performance CPU, and DSP, while also providing a rich set of IO interfaces. It boasts powerful computational capabilities, supports multiple algorithms, and simultaneously supports dual-mode Bluetooth (classic Bluetooth and Bluetooth Low Energy) as well as BLE audio technology, providing users with stable and reliable wireless transmission. For applications that require high-speed data transmission and low-power, small data transmission, the SOC series offers flexibility and reliability.

The SOC series finds wide applications in various fields that require wireless connectivity, audio processing, and image display functions, such as open wireless earphones (OWS), stereo headphones, gaming headphones, speakers, wearable devices, charging cases with smart screens, and smart dashboards, among others. Realtek also meets the diverse needs of different customers by offering differentiated solutions in terms of package size, GPIO count, SDK tools, audio algorithms, image processing algorithms, power management, and amplifiers.

With its high integration, strong computational capabilities, stable and reliable wireless transmission, and flexibility, the SOC series provides users with high-performance solutions in various application domains.

Typical Common Applications

Dual-Mode BT Selection Table

RTL8763E & RTL8773ESLRTL8773ERTL8773D
BT versionBT 5.3BT 5.3BT 5.3
BLE audioRTL8763EFL, RTL8763EAU, RTL8763EW-VP onlyYesYes
PAwRNoYesNo
Max Tx Power10dBm@BR13dBm@BR12.5dBm@BR
Package (mm)QFN50 4x6 QFN40 4x6 QFN68 7x7 BGA149 7x7QFN68 7x7BGA184 4.9x6
Security engineTRNG Secure Boot(RSA-2048) SHA256 AES128/256TRNG Secure Boot(RSA-2048) SHA256 AES128/256TRNG Secure Boot(RSA-3072) SHA256 AES128
SM3 encryption NoYesNo
MCUReal-M300, (CM33 Like) 32-bit ARMv8M mainline processor@100MHzReal-M300+FPU (CM33Like) 32-bit ARMv8M mainline processor@100MHzARM Cortex-M4F@160MHz
DSPTensilica HiFi mini compatible@200MHzTensilica HiFi mini compatible@200MHzTensilica Hi-Fi mini@320MHz+Tensilica HiFi4@320MHz
SRAM size532KB shared SRAM800KB shared SRAMDSP+MCU total 3MB
Flash sizeMCM 4MB/ExternalExternalMCM 8MB/16MB
PSRAM size0/MCM 4MB (RTL8763EW-VP)0/MCM 4MB/ MCM 8MB0
Available GPIO Number9 / 12 / 38 / 8038>60
I/O ADC4CH 12bits4CH 12bits8CH 12bits
USBUSB2.0( RTL8763ESE, RTL8763EAU and RTL8763EW-VC only )NoUSB2.0
I2Sx2 Formats : Left-Justified, PCM mode-A, PCM mode-B Application sampling rate : 48KHz Master and slave mode No master clock (MCLK) outputx2 Formats : Left-Justified, PCM mode-A, PCM mode-B Application sampling rate : 48KHz Master and slave mode No master clock (MCLK) outputx4 Formats :Left-justified, right-justified, PCM mode-A, PCM mode B Application sampling rate : up to 192KHz master clock (MCLK)
I8080Yes (RTL8763EWE/RTL8763EW series)YesNo
RAMLESS LCDNoYesNo
Display Resolution (RGB565)QSPI, 50MHz 454x454, 45fpsQSPI, 80MHz 500x500, 60fpsNo
RGB888 interfaceNoYesNo
2.5D EngineNoYesNo
IDU (Image processor unit)NoYesNo
CAN BusNoYesNo
SPDIFNoNoYes
A-MIC numberx3x2x4
D-MIC numberx4x4x6
Aux inL and R 2 channelsL and R 2 channelsL and R 2 channels
SPK/DACClass D x2DAC out x1class AB x2 + class D x2
ANCFF + FB HybridNoAdaptive ANC
UARTx3 HW flow control max baud rate at 4MHzx3 HW flow control max baud rate at 4MHzx4 HW flow control max baud rate at 4MHz
I2Cx3 master/Slave mode Max data rate at 400Kbpsx3 master/Slave mode Max data rate at 400Kbpsx3 master/Slave mode Max data rate at 400Kbps
PWMx8x12x16
Sleep LEDYesNoYes
SPIx3 SPI0: Master + slave role SPI1: Master only SPI2 :Master onlyx3 SPI0: Master + slave role SPI1: Master only SPI2 :Master onlyx3 SPI0: Master + slave role SPI1: Master only SPI2 :Master only
SDIOx1 (RTL8763EWE/RTL8763EW series)x1x1
SPICx2 (RTL8763EWM, RTL8763EWE series) x4 (RTL8763EW series)x2x3
Operation voltage2.8V to 4.5V (VBAT)2.8V to 4.5V (VBAT)3V~5V (VBAT)

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