Renesas RX23W

Bluetooth 5.0 enhanced high-performance MCU


  • Full Functional Support for Bluetooth 5.0 Low Energy
  • A Basic Protocol Stack Package and All Standard Profiles
  • Simple Design Through Integrated Antenna Matching Circuit for BOM Reduction
  • Feature Rich Peripherals & Interfaces, Integrated Security, Industry's Smallest Footprint

The new RX23W is the first Renesas RX MCU with integrated wireless connectivity. The high-performance 32-bit RXv2 CPU core system controller with DSP functions and FPU is enhanced with Bluetooth 5.0 Low Energy. It is equipped with Renesas’ integrated Trusted Security IP, capacitive touch support, lots of interfaces like CAN or SDHI and an integrated antenna matching circuit. Therefore, it supports easy design and shortest time-to-market for state-of-the-art connected IoT devices for all industries. On top of this, it offers low power consumption of the MCU with superior RF capabilities.



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  • Bluetooth 5.0 Low Energy Full Function Integrated
  • Communication rate 2 x higher, communication distance 4 x greater and data transfer efficiency improved compared to Bluetooth 4.2
  • Mesh Network Supported
  • RXv2 Core, 54 MHz, DSP Capability, FPU
  • Implements high performance and low power consumption simultaneously
  • Equipped with Trusted Secure IP Lite
  • High-Speed Processing with Encryption Hardware Accelerator
  • Secure Key Management Mechanism
  • Operating Voltage: 1.8 V to 3.6 V
  • Operating temperature range: Ta = -40 °C to 85 °C
  • Integrated antenna matching
  • Integrated RF specific clocking source
  • BT Long Range up to 400 m
  • High data throughput up to 2 Mbps
  • Comprehensive SW tools for RF Tuning, profile management and integration of custom profiles, stack implementation, certification testing, BT evaluation
  • Driver and Middleware packages (FIT Modules)
  • home & building automation
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