GR66XX

Bluetooth 5.2Audio SOC

Product Brief

The GR66XX series is Gear Radio’s Bluetooth 5.2Audio SOC, including RF transceiver, modem, protocol processing logic, link layer controller and link layer firmware,anARM core and an ultra-low power DSP core, and powermanagement unit, ADC, DAC, I/O distribution controller.

Features

• BT5.2 specification
• Supports TX +10dBm (typ.) maximum output power for Bluetooth classic
• Receive sensitivity(typ.):-95dBm(1M BR),-94dBm(2M EDR),-86dBm(3M)
• Gear Radio Wireless(GWS) Stereo
• Gear Radio Role Switch for GWS
• Support AFH
• SBC, AAC,mSBC,LHDC decoder support
• FF/FB/Hybrid ANC
• 1 or 2 mic GearRadio Clean Voice headset speech processing
• 2 ADC(24-bit) with 99dBA SNR
• Supports two PDM digital MIC inputs
• Serial interface: 2 UART, I²C，,SPI
• Supports 24-bit, up to 192kHz on I2S digital audio
• 11 GPIOs,2 LED, and3 PWM I/0
• 12 BitsAuxiliary ADC
• Built-in 16Mbits FLASH memory
• Integrated dual SMPS, and battery charger; charging current up to 200mA
• PWR Keyfor Power on/off
• Multi-function Key for TWS Scenario
• Support OTA firmware upgrade
• Support APP application
• Support Sensor Application
• SDK Turkey Solution
• Package: QFN 5*5 40L or QFN 4.2*5 32L

Operating Codition

• Operating voltage: 2.8V to 4.4V (VBAT)
• Temperature range: -40°C to +85°C

System Applications

• Wireless stereo headsets
• Wireless stereo ANC headsets
• Mono headset
• Wireless stereo speaker