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  1. Devices
  2. RA4W1 Series
  3. RA4W1_512K
  4. R7FA4W1AD

R7FA4W1AD

Renesas

  • Core

    Cortex-M4, 48 MHz

  • Family

    RA4W1 Series

  • Sub-Family

    RA4W1_512K

  • CMSIS Pack

    RA_DFP

The Renesas RA4W1 is the first Bluetooth® 5.0 Low Energy fully compliant with 2Mbit High-Throughput (HT) and Long Range support in a single chip MCU of Renesas RA4 product series for IoT applications that require a high-performance Arm® Cortex®-M4 core at a very attractive price point.
The RA4W1 is built on a highly efficient low power process and is supported by an open and flexible ecosystem concept, called Flexible Software Package (FSP), using FreeRTOS as base.
RA4W1 is geared towards IoT application requiring Security, large embedded RAM and low power consumption.

Highlights
- 48MHz Arm® Cortex®-M4
- 512kB Flash Memory and 96kB SRAM
- 8kB Data Flash to store data as in EEPROM
- 7x7 mm QFN 56-pin package
- Capacitive touch sensing unit
- Segment LCD controller
- USB 2.0 Full Speed module supporting host and device mode
- CAN 2.0B
- SCI (UART, Simple SPI, Simple I2C)
- SPI/ I2C multimaster interface
- 2.4 GHz radio with Bluetooth 5.0 Low Energy
- LE 1M, 2M, Coded PHY, and LE advertising extension
- Secure Crypto Engine (AES128 / 256, GHASH, TRNG)

Core

Processor

Cortex-M4
Maximum Clock Frequency 48 MHz
Memory Protection Unit MPU
Floating Point Unit SP_FPU
Trust Zone
Digital Signal Processor DSP
CortexM Vector Extensions
Endian Little-endian
Features View features

Processor

Cortex-M4, 48 MHz

  • Timer
    General PWM Timer (GPT) 4 x 32-bit General PWM Timer (GPT)
    Asynchronous General Purpose Timer (AGT) 2 x 16-bit Asynchronous General Purpose Timer (AGT)
    Watchdog Timer (WDT) 1 x Watchdog Timer (WDT)
  • Communication
    Serial Communications Interface (SCI) 4 x Serial Communications Interface (SCI)
    I2C bus interface (IIC) 2 x I2C bus interface (IIC)
    Serial Peripheral Interface (SPI) 2 x 0 bit/s Serial Peripheral Interface (SPI)
    Controller Area Network (CAN) 1 x Controller Area Network (CAN)
    USB Device 1 x USB Device
  • I/O
    14-bit A/D Converter (ADC14) 8-channel x 14-bit 14-bit A/D Converter (ADC14)
    12-bit D/A Converter (DAC12) 1 x 12-bit 12-bit D/A Converter (DAC12)
    Temperature Sensor (TSN) 1 x Temperature Sensor (TSN)
  • Core features
    OPAMP 1 x OPAMP
    Cyclic Redundancy Check (CRC) calculator 1 x Cyclic Redundancy Check (CRC) calculator
    Data Operation Circuit (DOC) 1 x Data Operation Circuit (DOC)
    AES128 Engine 128-bit AES128 Engine
    AES256 Engine 256-bit AES256 Engine
    True Random Number Generator(TRNG) x True Random Number Generator(TRNG)
    DMAC 4-channel DMAC
  • Controls
    Capacitive Touch Sensing Unit(CTSU) 11 x Capacitive Touch Sensing Unit(CTSU)
  • Memory
    Code Flash KB 512 byte Code Flash KB
    SRAM KB 96 byte SRAM KB
    Data Flash KB 8 byte Data Flash KB
  • Clock
    Internal PLL 1 x Internal PLL
    Maximum operating frequency 0 Hz .. 48 MHz Maximum operating frequency
    5 internal PLLs x 5 internal PLLs
  • Power
    Power Supply Voltage 1.8 V .. 3.6 V Power Supply Voltage
  • Spec
    Operating Temperature Range -40 °C .. +85 °C Operating Temperature Range
  • Package
    Quad-Flat No-leads 56-pad Quad-Flat No-leads
  • Display
    Segment LCD COntroller (LCDC) 1 x 9 x 4 Segment LCD COntroller (LCDC)