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