Features
• Bluetooth® subsystem
- Complies with Bluetooth® core specification v5.2 with LE 2-Mbps support
- Bluetooth® Low Energy
- Supports adaptive frequency hopping (AFH)
- Programmable TX power up to 12 dBm
- Rx sensitivity -94.5 dBm (Bluetooth® LE)
- Ultra-low-power radio
• RX current 8mA
• TX current 18 mA @ 12 dBm
• Coexistence support
- Support for global coexistence interface for easy coexistence implementation with select Infineon AIROC™
Wi-Fi devices
• MCU subsystem
- 96-MHz Arm® Cortex®-M4 microcontroller unit MCU with floating point unit (FPU)
- Supports Serial Wire Debug (SWD)
- Runs Bluetooth® stack and application
• Memory subsystem
- 384-KB RAM
- 2-MB ROM
• Audio features and interfaces
- 1x I2S with master and slave modes
- 1x PCM
- PDM
- Analog front end for analog microphone
• Clocks
- On chip 32-kHz oscillator
- On chip 128-kHz oscillator
- 32-kHz crystal oscillator
- 24-MHz crystal oscillator
- 32-bit real time clock (RTC)
• Peripherals and communication
- 6x 16-bit PWMs
- Programmable key-scan matrix interface, up to 8x20 key-scanning matrix
- Quadrature decoder
- Watchdog timer
- 1x peripheral UART, 1x UART for programming and HCI
- 1x SPI (master or slave mode)
- 1x I2C master
- One ADC (10-ENoB for DC measurement and 12-ENOB for audio measurement)
- Hardware security engine
• General-purpose input output (GPIO)
- 24 GPIOs
- 2 dedicated pins for analog microphone
- Support 1.7 V to 3.63 V operation
- Four GPIOs support 16 mA and 8 mA source at 3.3 V and 1.8 V respectively
• Operating voltage and low-power support
- Wide operating voltage range - 1.625 V to 3.63 V
- 4 power modes to implement ultra-low power application - managed by real time operating system
- 1 A current in HID-Off mode
• Packages
- 7 mm x 7 mm 60-pin quad flat no-lead (QFN)
• Software support
- ModusToolbox™ software: Features are subject to support in the Bluetooth® SDK
- Check the latest version of the Bluetooth® SDK technical brief for supported features
• Applications
- Bluetooth® Mesh
- Wireless pointing devices (mice)
- Remote controls
- Joysticks
- Home automation
- Point-of-sale input devices
- Blood pressure monitors
- Find-me devices
- Heart-rate monitors
- Proximity sensors
- Thermometers