Overview
Description
RX110 Group microcontrollers have the simplest lineup of the RX100 Series. They have a small-capacity, low pin count lineup from 8 KB/8 KB to 128 KB/16 KB ROM/RAM, and 36 to 64 pins. A 12-bit A/D converter, timer, serial interface, and more are built into a small 4 × 4 mm package. The RX110 is suitable for sensor hub and other applications where small size and processing performance are demanded.
Comparison
Applications
Design & Development
Software & Tools
Software & Tools
Software title
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Software type
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Company
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DSP Library for RX Family Software library that implements numeric operation function used in DSP with general purpose MCU
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DSP / FFT | Renesas |
FAT File System [M3S-TFAT-Tiny] for the RX Family FAT file system for RX Family
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File System | Renesas |
RI600V4 Real-time OS for RX Family μITRON4.0 Specification real-time OS for RX Family [Required IDE : e2 studio, CS+] * RI600V4 is not generally promoted to U.S. and European customers. Customers in U.S. and Europe who are interested in RI600V4 are requested to contact our regional marketing departments for details.
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ITRON OS | Renesas |
Data Flash Driver Block type Device Drivers for data flash embedded microcontrollers
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On-chip Flash Memory | Renesas |
RX Driver Package Device driver set for the RX Family (including major middleware). Target devices : RX130, RX23W, RX231, RX24U, RX64M, RX65N, RX66T, RX71M, RX72M etc.
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Software Package | Renesas |
Sound Playback/Compression System [M3S-S2-Tiny] for RX Family Sound playback system for RX Family
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Sound / Voice | Renesas |
C/C++ Compiler Package for RX Family [CC-RX] C/C++ Compiler Package for RX Family [IDE: CS+, e² studio, High-performance Embedded Workshop]
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Compiler/Assembler | Renesas |
QE for TCP/IP: A Dedicated Tool for TCP/IP Development [Technical Preview Edition] Debugging assistance tool for developing systems which use the TCP/IP. For use in developing embedded systems which use the M3S-T4-Tiny communications protocol software library for the RX family. [Plugin for Renesas IDE "e² studio"]
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Solution Toolkit | Renesas |
QE for UART: A Dedicated Tool for UART [Technical Preview Edition] Debugging assistance tool for developing systems which use the UART communication function. [Plugin for Renesas IDE "e² studio"]
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Solution Toolkit | Renesas |
Crypto Library Robust encode library to ensure security for all types of system developments
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Security / Crypto | Renesas |
I²C Serial EEPROM Driver Device Drivers for I²C Bus Serial EEPROM R1EX24xxx Series, R1EV24xxx Series and HN58X24xxx Series
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Serial Memory | Renesas |
SPI/QSPI Serial Flash Memory, QSPI Serial Phase Change Memory Driver Device Driver for SPI and QSPI Serial Flash Memory and QSPI Serial Phase Change Memory
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Serial Memory | Renesas |
SPI Serial EEPROM Driver Device Drivers for SPI Bus Serial EEPROM R1EX25xxx Series and HN58X25xxx Series
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Serial Memory | Renesas |
Code Generator Plug-in Automatic driver generation tool for internal peripheral I/O modules through GUI settings [Standard features for Renesas IDE "e² studio" and CS+] [Support MCU/MPU: RL78, V850, 78K, RX]
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Code Generator | Renesas |
E2 emulator [RTE0T00020KCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
E20 emulator [R0E000200KCT00] On-chip debugging emulator. Also available as a flash memory programmer. For RX600 or RX700 Series MCU, trace functions and Real-time RAM monitor functions available. For MCUs other than RX600 or RX700, the available debugging function corresponds to that of E2 Emulator Lite. [Support MCU/MPU: RX, RL78, RH850, V850, 78K0R, 78K0, R8C]
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Emulator | Renesas |
E2 emulator Lite [RTE0T0002LKCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
PG-FP6 Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C]
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Programmer (Unit/SW) | Renesas |
Renesas Flash Programmer (Programming GUI) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
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Programmer (Unit/SW) | Renesas |
QE for Current Consumption: A Dedicated Tool for Current Measurement Development assistance tool helps to shorten the times taken in operations for the tuning of currents drawn. [Standard item in the "e² studio" and CS+ (CS+ for CC only) IDEs] [Support MCU/MPU: RX, RL78]
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Solution Toolkit | Renesas |
CS+ Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0]
(Note: CS+ is not generally promoted to U.S. and European customers.)
(Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
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IDE and Coding Tool | Renesas |
RX Smart Configurator RX Smart Configurator is a utility for combining software in ways that meet your needs. It simplifies the embedding of Renesas drivers in your systems through supports for importing middleware and drivers and configuring pins.
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Solution Toolkit | Renesas |
QE for Display: Development Assistance Tool for Display Applications This development assistance tool supports the development of embedded systems which use the LCD display functions of display controllers from Renesas. [Plugin for Renesas IDE "e² studio"] [Standalone Version] [Support MCU/MPU:RZ, RX, RA]
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Solution Toolkit | Renesas |
e² studio - Information for the RX Family Eclipse-based Renesas integrated development environment (IDE).
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IDE and Coding Tool | Renesas |
Renesas IAR Embedded Workbench Device-Support-Packages Renesas IAR Embedded Workbench Device-Support-Packages include all device-specific files to be used with the Embedded Workbench IDE.
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IDE and Coding Tool | Renesas |
Reality AI Utilities Round-trip workflow for AI development and performance validation allowing to collect data, optimize models, and deploy directly to Renesas hardware
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Solution Toolkit | Renesas |
JPEG Encode/Decode Software Library for RX Family JPEG Encode/Decode Software Library that comprises the JPEG Decoder and the JPEG Encoder
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Imaging | Renesas |
SD Card Driver for RX Family SD Card Driver for RX Family (SDHI)
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SD Card | Renesas |
28 items
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Sample Code
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Models
Model - IBIS | ZIP 201 KB 日本語 | |
1 item
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Support
Support Communities
Support Communities
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Getting stuck waiting for main clock oscillator and wait counter overflow.
Hey guys, I am using a RX110 series R5F51105ADFL series microcontroller along with e2 studio version 4.0( I know it's old but, it's what I have to work with). After generating the mock up code using the code generator and running it on the hardware, it seems ...
Aug 27, 2020 -
RX111 - RTCa
Hi, I'm looking for a RX110 or RX111 - RTCa example. I'd like it run in binary mode. TX
Feb 23, 2022 -
Difference between the reset sources for RX100 family
Hi there, For RX100 family there are several reset sources like RES# pin, soft reset, LVD, IWDT etc. I would like to know what differs between those reset sources? eg: pin reset and soft reset results in same condition? Thanks.
Aug 1, 2016
FAQs
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MCU Functionality Problems at Higher Frequencies
Please check the following items: 1) Make sure that both the operating frequency and operating voltage are set within the allowable range. 2) Depending on the MCU, you must change the access cycles of the operational power control state, code flash, RAM, etc. To change the access cycles, check the ...
Jun 8, 2017 -
RX Family: Can a DMACA activation be received during DTC transfer?
The activation source is pended until after the current DTC operation has completed. At this time DMACA arbitrates for usage of internal main bus 2 to complete the pending request.
Jun 20, 2013 -
How to execute WAIT instruction generates a privileged exception?
Check that you aren't in user mode. A privileged instruction exception occurs when a WAIT instruction is executed in user mode. Please use supervisor mode to execute the privileged instruction WAIT. For more information, please refer to the "Processor Mode" section in the "CPU" chapter of the hardware manual.
Jun 20, 2013