General Description
- Bluetooth 5.3 core specification
- BR/EDR/LE-1M/LE-2M
- LE audio (depends on part number)
- OTA (Over-the-Air) FW upgrade
- Support speaker out
- Analog mic input
- Digital mic input
- Built-in LDO for the I/O and FLASH memory
- Built-in Li-Ion battery charger with up to 300mA charger current
MCU Platform
- RealM300, 32-bit ARMv8M mainline processor, maximum frequency, max rate 100MHz
- 532KB embedded shared SRAM
- AES 128/256, SHA256, RSA-2048 security engine
- Embedded Flash 4MB (depends on part number)
- Embedded PSRAM 4MB (depends on part number)
RF Performance
- max Tx Power 7.5 dBm @EDR 2M (refer to datasheet for details)
- max Tx Power 10 dBm @BLE (refer to datasheet for details)
- RX sensitivity -97.5 dB (1M BLE)
- RX sensitivity -94.5 dBm (1M BR)
- RX sensitivity -94 dBm (2M EDR)
- Fast AGC control to improve receiving dynamic range
Audio Codec Support
- SBC codec
- mSBC codec
- LC3 codec (depends on part number)
- MP3 decoder (depends on part number)
Peripheral (depends on part number)
- Flexible GPIO Design
- Real Time Counter (RTC)
- 4 CH 12 bits ADC
- USB 2.0 (depends on part numbers)
- I2C
- I2S interface for external audio processor
- UART
- Aux in, L/R channel
- SPI
- PDM interface for digital mic input
- PWM
- SDIO (depends on part numbers)
- SPIC (depends on part numbers)
- I8080 (depends on part numbers)
- Available GPIOs : 9~12 pins (depend on part numbers)
IC Part Number
| IC part number | RTL8763ESE | RTL8763EAU | RTL8763EFL | RTL8763EWM | RTL8763EWE | RTL8763EWE-VP | RTL8763EW-VC | RTL8773ESL |
| MCU | 40Mhz/80Mhz/100Mhz | 40Mhz/80Mhz/100Mhz | 40Mhz/80Mhz/100Mhz | 40Mhz/80Mhz/100Mhz | 40Mhz/80Mhz/100Mhz | 40Mhz/80Mhz/100Mhz | 40Mhz/80Mhz/100Mhz | 40Mhz/80Mhz/100Mhz |
| LE audio | No | Yes | Yes | Yes | option | option | option | Yes |
| MCM Flash size | 4MB | 4MB | 4MB | 4MB | 4MB | No | No | 4MB |
| MCM PSRAM size | No | No | No | No | No | 4MB | No | No |
| USB | Yes | Yes | No | Yes | No | No | Yes | No |
| I8080 | No | No | No | No | Yes | Yes | Yes | No |
| A-MIC | 3 | 2 | 3 | 2 | 2 | 2 | 2 | 3 |
| ANC | Hybrid | No | No | No | No | No | No | Hybrid |
| SDIO | No | No | No | No | Yes, 1-bit mode | Yes, 1-bit mode | Yes, 1 bit and 4 bit mode | No |
| SPIC | No | No | No | 2, SPIC0, SPIC1 | 2, SPIC0, SPIC2 | 2, SPIC0, SPIC2 | 4, SPIC0~3 | No |
| GPIO (max) | 12 | 12 | 9 | 39 | 38 | 38 | 80 | 15 |
| QFN50 4x6 | QFN50 4x6 | QFN40 4x6 | QFN76 7x7 | QFN68 7x7 | QFN68 7x7 | BGA149 7x7 | QFN50 4x6 |
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