Overview
Description
The RL78/G11 microcontroller line-up concept is based on small packages like 10 to 25pin, in small 16KB flash memory and rich analog peripherals such as A/D converters, D/A converters, comparators and PGA and these are configurable as PGA+ADC+VBGR, PGA+CMP, CMP+DAC/VBGR, or PGA+CMP+DAC/VBGR. Using the smart features like DTC and ELC a lot of peripherals can be connected internally to reduce CPU workload and can save overall power consumption. It also supports very low power operation (100 uA @ 1 MHz ) and a high speed 4µs wake up. Available in small 3x3mm² WFLGA , 3x3mm² HWQFN and standard 20pin LSSOP, this MCU line is suitable for sensor application, Lighting/power sources and many small appliances.
Features
- CPU: RL78 core, Max. 24MHz
- Voltage: 1.6V to 5.5V
- Package: 16 to 24-pin HWQFN, 10 to 20-pin LSSOP, 16-pin SSOP, 25-pin WFLGA
- Memory: SRAM Max. 1.5KB, Program Flash Max. 16KB
- Timer: 16-bit Timer (ch) x 5, 8-bit Timer (ch) x 2, Watchdog Timer (ch) x 1, 12-bit Interval Timer x 1 ch
- PWM: PWM Output x 4
- Analog function: 10-bit A/D Converter (ch) x 11, 8-bit D/A Converter (ch) x 2
- On-chip Oscillator Freq. (MHz): High-Speed: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48MHz
Middle-Speed: 1, 2, 4MHz
Low-speed: 15kHz - Others: Power-On Reset, Low Voltage Detection
Comparison
Applications
Design & Development
Software & Tools
Software & Tools
| Software title
|
Software type
|
Company
|
|---|---|---|
| Sound Playback/Compression System [M3S-S2-Tiny] for RL78 Family Sound playback system for RL78 Family
|
Sound / Voice | Renesas |
| AP4, Applilet Peripheral I/O driver generator compatible with third-party compilers and GNU compiler (for RZ, V850, RX, RL78, and 78K)
|
Code Generator | Renesas |
| Applilet EZ PL for RL78 Programming software that can easily create microcontroller application software like assembling a puzzle, without using programming languages
|
Code Generator | 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]
|
Code Generator | Renesas |
| C Compiler Package for RL78 Family [CC-RL] C Compiler Package for RL78 Family [IDE: CS+, e² studio]
|
Compiler/Assembler | 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]
|
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]
|
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]
|
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]
|
Programmer (Unit/SW) | Renesas |
| Code Flash Libraries (Flash Self Programming Libraries) Libraries for the reprogramming of code area flash memory, including EEPROM emulation libraries for the code areas of 78K-family products
|
Self Programming Library (Flash Library) | Renesas |
| Data Flash Libraries Libraries for the reprogramming of data flash memory, including EEPROM emulation libraries for the data areas of RL78-family products
|
Self Programming Library (Flash Library) | Renesas |
| Simulator for e² studio of RL78 Family Simulator for RL78 Family [Support IDE: e² studio] (Note: This product is included in the Renesas IDE "e² studio" and is not available separately.)
|
Simulator | Renesas |
| RL78 Web Simulator Right online tools to support initial evaluation of the low power consumption RL78 Family. Lineup: MCU Simulator Online and Current Consumption Calculator. Free of charge.
|
Simulator | 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]
|
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”)
|
IDE and Coding Tool | Renesas |
| e² studio - information for RL78 Family Eclipse-based Renesas integrated development environment (IDE).
|
IDE and Coding Tool | Renesas |
| Crypto Library Robust encode library to ensure security for all types of system developments
|
Security / Crypto | 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
|
Serial Memory | Renesas |
| IAR Embedded Workbench for Renesas RL78 IAR Embedded Workbench provides extensive support for RL78 devices. IAR Embedded Workbench is a complete set of development tools with leading optimization technology for creating powerful automotive applications.
|
IDE and Coding Tool | IAR Systems |
| 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.
|
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
|
Solution Toolkit | Renesas |
|
21 items
|
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Sample Code
Boards & Kits
Starter
Automatic Liquid Dispenser Reference Design
This Automatic Liquid Dispenser reference design is for hands-free dispensing of liquids such as soap, hand sanitizer, shampoos, or hand lotions. Automatic liquid dispensers are popular in public places and private institutions, as touch-free designs eliminate bacterial transmission. The...
Reference Designs
High-End Gas Cooker Reference Design
A popular appliance in many households, the gas stove requires a high demand for control and safety. This High-End Gas Cooker solution enables real-time gas concentration, flame temperature and dry burn detection. The high-end gas stove uses a 9V battery as a power supply. Ignition is started by...
Reference Designs
Portable Environment Monitor Reference Design
Temperature, humidity and luminance changes in the air have a direct impact on human body comfort and well-being; as a result, the detection of these factors is highly important. Environmental conditions need to be recorded in various scenarios ranging from agricultural environment investigation...
Evaluation
YRPBRL78G11
Active
RL78/G11 Promotion Board
RPB (Renesas Promotion Board) with RL78/G11 MCU is a small board ideal for prototyping/evaluation. We packed the E2 emulator Lite debugger/programmer function, the step-up DC/DC converter, and the RL78/G11 MCU (25 pin LGA package) into a small board of 57 mm x 10 mm size. In addition, another...
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Safety Light Curtain Reference Design
The Safety Light Curtain is an optoelectronic device that is used to safeguard personnel in the vicinity of moving machinery with the potential to cause harm such as hydraulic presses, filter presses, packaging equipment and winders. The Safety Light Curtain can be used as an alternative to...
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Water Quality Tester Reference Design
Human health, in both developing and developed countries throughout the world, depends on the quality of available drinking water. As a result, water quality testing is necessary during our daily lives. With the Renesas Water Quality Tester, water quality can be checked to detect hazardous...
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Wireless Charger Reference Design
Wireless charging is a technology that uses the principle of electromagnetic induction to transfer electrical energy between two coils. It has been installed as one of the popular functions in mobile devices such as smartphones in recent years.
This reference design uses features such as...
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Wireless Doorbell Reference Design
The Wireless Doorbell reference design uses sub-GHz wireless communication to notify a remote receiver when the doorbell is pressed. The transmitter and receiver both have a built-in RL78/G1H sub-GHz wireless communication module, RL78/G11 for control. When the transmitter button is pressed, its...
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Evaluation
YQB-R5F1057A-TB
Active
RL78/G11 (R5F1057AANA) Target Board
The YQB-R5F1057A-TB is a target board used for evaluating RL78/G11 microcontroller operations using a Renesas E1 or E2 Lite on-chip debugging emulator/flash programmer.
Reference Designs
Smart Moisture Sensor Reference Design
The Smart Moisture Sensor reference design uses the RL78/G11 MCU's moisture sensor to measure the conditions of soil and transfer the data to a smartphone app via an RL78/G1D Bluetooth Low Energy (LE) module which can be graphically shown. For example, the app can provide a moisture vs....
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Automated Meter Reader (AMR) Retrofit Module Reference Design
With increasing requirements for automated meter reading (AMR) capabilities for water, heat, and gas meters, many utilities have decided to use MID-certified “plug-and-play” retrofit modules for already deployed mechanical meters as a viable option for a complete replacement with purely...
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Test This Board Remotely
Available on Lab on the Cloud, use our PC-based GUI to instantly start configuring and testing designs in our virtual lab, no physical board needed.
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.
Product Options
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Support
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
Support Communities
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RL78/G11 Security Settings
Hi. I use the RL78/G11 MCU and I can not find any information about "READ" protection. I found a part 31.7 Security Settings in the RL78/G11 User's Manual hardware, chapter 31 "Flash memory": - Disabling block erase; - Disabling write; - Disabling rewriting boot cluster 0. I ...
Nov 29, 2023 -
RL78/G11 Reset pin as I/O
Hello, I programed several times a R5F1051 device in circuit thru serial port. Finally I set the P125/Reset pin as input and can't re-program the device again(due no rest input). Any chance to erase/reprogram this device ? (I haver an E1 emu too) Thanks
May 1, 2025 -
SHA-256 library (RL78/G11)
Hi. I work with the RL78/G11 and I need to calculate HASH in my application. I found that Renesas has personal implementation of the SHA-256 (https://www.renesas.com/eu/en/software-tool/crypto-library). But, I read that this library ...
Nov 16, 2023
FAQs
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RL78 Family: Reset signal generated by the power-on reset circuit (POR)
... Products RL78/D1A, RL78/F12, RL78/F13, RL78/F14, RL78/F15, RL78/F23, RL78/F24, RL78/G10, RL78/G11, RL78/G12, RL78/G13, RL78/G13A, RL78/G14, RL78/G15, RL78/G16, RL78/G1A, RL78 ...
Apr 28, 2025 -
Reference Materials for Migration from 78K0/Kx2 to RL78
We have the following reference materials available. - How to replace a program for 78K0 with a program for RL78 Replacement Guide for 78K0 Family to RL78 Family (CcnvCA78K0) Software for converting a C source file for CA78K0 and CA78K0R to a C source file for CC-RL CcnvCA78K0 C Source ...
Dec 21, 2020 -
RL78 Family: Relationship between A/D Conversion Resolution and A/D Conversion Time
... RL78/F24, RL78/L1AGroup E: RL78/D1A, RL78/F12, RL78/F13, RL78/F14, RL78/F15, RL78/G10, RL78/G11, RL78/G12, RL78/G13, RL78/G13A, RL78/G14, RL78/G15, RL78/G16, RL78/G1C, RL78 ...
Nov 12, 2024