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Infineon AIROC™ CYW20835 Bluetooth® LE System on Chip

Innovative device for IoT applications

The Infineon AIROC™ CYW20835 Bluetooth® LE SoC is a Bluetooth® 5.4 core spec compliant device for IoT applications. Manufactured using the industry's advanced 40 nm CMOS low-power process, the CYW20835 employs high levels of integration to minimize external components, reducing the device footprint and the costs associated with implementing Bluetooth® Low Energy solutions.

Infineon's AIROC™ CYW20835 Bluetooth® LE modules are fully integrated with onboard crystal oscillator, passive components, flash memory, and the CYW20835 system on chip. These highly integrated modules are also globally certified to support fast time-to-market. The AIROC™ CYBLE-343072-02 module and the External Antenna Module version - CYBLE-333073-02 and CYBLE-333074-02 are supported by the AIROC™ Bluetooth® SDK in ModusToolbox™ software and tools with code examples to support rapid development of embedded Bluetooth® LE applications.



  • 96-MHz ARM® Cortex®-M4 microcontroller unit MCU with floating point unit (FPU)
  • Supports serial wire debug (SWD)
  • Runs Bluetooth stack and application


  • 6x 16-bit PWMs
  • 24 GPIOs
  • Analog and Digital microphone interfaces
  • I2C, I2S, UART, SPI and PCM interfaces
  • Up to 8x20 programmable key-scanning matrix interface

Bluetooth® Sub-System

  • Complies with Bluetooth® core specification version 5.4 Declaration ID # D064385 QDID # 221383
  • Supports Adaptive Frequency Hopping (AFH)
  • Programmable TX power up to 12 dBm
  • Rx sensitivity -94.5 dBm (Bluetooth LE)


  • Home automation
  • Sensors (medical, home, security, industrial)
  • Lighting
  • Bluetooth® Mesh
  • Wireless input devices (game controllers, remote controls, keyboards, joysticks)
  • Other Bluetooth® connected IoT applications

The AIROC™ CYW20835 Bluetooth® LE SoC is designed to support the entire spectrum of Bluetooth® Low Energy use cases for home automation, accessory, sensors (medical, home, security, and industrial), lighting, Bluetooth® Mesh, wireless input devices including game controllers, remote controls, keyboards, and joysticks or any Bluetooth® LE connected IoT application.


  • Reliable and robust connectivity due to superior RF performance
  • Ability to do compute at the edge for Bluetooth® LE use cases
  • Built on market proven wireless IP for maximum interoperability
  • Reduction in development time with Bluetooth® software enablement for Bluetooth® LE data transfer, HID and Bluetooth® Mesh use cases
  • Rapid time-to-market with AIROC™ Bluetooth® LE Modules that are globally certified with Developer Kits to get started quickly
  • Bluetooth® support in the Infineon Developer Community with direct access to online applications support engineers



Software & Support

The AIROC™ CYW20835 is supported in the AIROC™ Bluetooth® SDK within ModusToolbox™ Software and Tools with code examples and documentation enablement for Bluetooth LE data transfer, HID and Bluetooth Mesh use cases. Get started and download ModusToolbox™



AIROC™ CYBLE-343072-EVAL-M2B Bluetooth® LE Module Evaluation Board