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Description

The RX231 Group of devices leverages an optimal combination of a 32-bit RXv2 CPU core with improved DSP/FPU and low-power consumption technology to realize extreme power efficiency. High-performance digital filtering, floating-point operations and other processing can be performed even in environments with low current supply capacity. The RX231 Group implements the industry's top level communication security and encryption functions, high sensitivity high level of noise tolerance capacitive touch sensor capabilities, as well as SD host interface, USB and CAN communication functionality. These products are suitable for applications in industrial, home appliance, healthcare, smart meter, IoT, and other fields.

Renesas offers a reference solution which enables users to immediately incorporate the RX231's features such as security function, encryption function, human machine interface (HMI), and touch key into their applications.

Solutions for RX231

Parameters

Attributes Value
Main CPU RXv2
Program Memory (KB) 128, 256, 384, 512
RAM (KB) 32, 64
Carrier Type Full Carton (Tray), Tape & Reel, Tray
Supply Voltage (V) 1.8 - 5.5
I/O Ports 31, 44, 80
DRAM I/F No
Temp. Range (°C) Ta = -40 to +85, Ta = -40 to +105
Operating Freq (Max) (MHz) 54
Ethernet speed No
Ethernet (ch) 0
EtherCat (ch) (#) 0
USB FS (host ch/device ch) ( 1 / 1 )
USB HS (host ch/device ch) ( 0 / 0 )
USB SS (host ch/device ch) ( 0 / 0 )
SCI or UART (ch) 5, 6, 7
SPI (ch) 6, 7, 8
I2C (#) 6, 7, 8
CAN (ch) 0, 1
CAN-FD (ch) 0
Wireless No
SDHI (ch) 0, 1
High Resolution Output Timer No
PWM Output (pin#) 25, 28, 31
32-Bit Timer (ch) 0
16-Bit Timer (ch) (#) 17
8-Bit Timer (ch) 4
Standby operable timer Yes
12-Bit A/D Converter (ch) 8, 12, 24
24-Bit Sigma-Delta A/D Converter (ch) 0
16-Bit D/A Converter (ch) 0
12-Bit D/A Converter (ch) 0, 2
8-Bit D/A Converter (ch) 0
Capacitive Touch Sensing Unit (ch) 6, 10, 24
Segment LCD Controller No
Security & Encryption Unique ID, Unique ID, AES, MAC, TRNG

Package Options

Pkg. Type Pkg. Dimensions (mm) Lead Count (#) Pitch (mm)
HWQFN 7 x 7 x 0.8 48 0.5
HWQFN 9 x 9 x 0.8 64 0.5
LFQFP 7 x 7 x 1.7 48 0.5
LFQFP 10 x 10 x 1.7 64 0.5
LFQFP 14 x 14 x 1.7 100 0.5
LFQFP — 100 0.5
TFLGA 6 x 6 x 1.05 100 0.5
WFLGA 5 x 5 x 0.76 64 0.5

Application Block Diagrams

Universal NFC Wireless Charger Block Diagram
Universal NFC Wireless Charger
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Triac-Based Motor Controller Block Diagram
Triac-Based Motor Controller
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Smart Solar Irrigation Pump Controller Block Diagram
Smart Solar Irrigation Pump Controller
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Interactive block diagram of the industrial electronic valve control features a dual MCU system and RS-485 supporting the SIL2 standard.
Industrial Electronic Valve Control
Industrial electronic valve to offer precise, SIL2-compliant control.

Additional Applications

Applied Filters:

Directly input analog signal to RX231 and perform FFT in real time.

News & Blog Posts

Blog Post
Apr 6, 2023
Say Goodbye to Hardware Manual Confusion with Our Comprehensive Guide!
Blog Post
Mar 20, 2023
Upgrade MCUs with the Latest Industry-leading 32-bit RX Family MCUs! RX Portfolio is Expanding
Blog Post
Mar 3, 2023
Tips for Selecting Low Power Consumption Modes on the RX MCU
Blog Post
Jan 23, 2023
RX Family Software – The Past and the Future - #6
Blog Post
Dec 5, 2022
Introducing Waterproof Capacitance Solution for Self-Capacitive Touch Keys in Wet Area
Blog Post
Sep 16, 2022
Infusion Level Monitor Using Capacitive Touch Sensing
Blog Post
Sep 1, 2022
RX Family Software – The Past and the Future - #5
Blog Post
Jul 22, 2022
Target Board for RX Family: where your creativity comes to life
Blog Post
Jun 27, 2022
Realizing Secure and High-Speed Communications with RX MCU and wolfSSL's TLS Library
Blog Post
Jun 17, 2022
Bringing DSPs Closer to You! Realizing Digital Filters with the Latest Low-End RX140 Microcontroller of the RX Family!
Blog Post
Apr 19, 2022
Design Guide for RX MCU Board Wiring Pattern
Blog Post
Apr 5, 2022
RX Family Software – The Past and the Future - #3
Blog Post
Mar 15, 2022
Realizing OTA Function of a Secondary MCU with the RX MCU – FreeRTOS Version
Blog Post
Mar 11, 2022
RX Family Software – The Past and the Future - #2
Blog Post
Mar 4, 2022
Supporting a Smooth Start of Your Development with RX by Video!
Blog Post
Feb 1, 2022
RX Family Software – The Past and the Future - #1
Blog Post
Dec 6, 2021
To Seamlessly Switch to a 32-Bit RX Family MCU
Blog Post
Oct 15, 2021
Interview with RX MCU Family User, HITACHI Solutions Technology
Blog Post
Oct 6, 2021
Introducing the Smart Configurator Board Support Feature for Quick Project Setup
Blog Post
Sep 21, 2021
How Renesas Approaches Functional Safety over EtherCAT (FSoE)
Blog Post
Aug 4, 2021
Introducing the RX Family Firmware Update Middleware that Can Easily Realize FOTA (Firmware Update Over-The-Air) Implementation
Blog Post
Aug 2, 2021
DSP Experience with RX Family MCU! Visualizing DSP Behavior with Free Sample Program!
Blog Post
Jul 13, 2021
Introducing the RX MCU Product Longevity Program (PLP) that Goes Beyond 15 years of Support!
Blog Post
Jul 2, 2021
Let’s Get Started with RX MCU Software Development! First Step is to Start with e² studio.
Blog Post
May 19, 2021
Edge Trust Security Service Using RX Microcomputer CMVP Certified
Blog Post
Apr 27, 2021
Time flies in a flash of light! Renesas RXv2 Core has exceeded a CoreMark of 5.0. How does it achieve this result?
Blog Post
Apr 20, 2021
Solution that Strongly Supports the Development and Manufacturing of Secure IoT Devices
Blog Post
Feb 18, 2021
Implement Robust IoT Security Easily with RX Security Solutions
Blog Post
Dec 9, 2020
Rinnai’s Good Design Award - Winning Domino-Type Gas Built-in Stove Uses the RX 32-Bit MCU Touch Technology
Blog Post
Nov 29, 2020
Meeting the Needs of the New Normal with the RX HMI Solutions