RL78/I1A microcontrollers realize PWM output of a minimum 0.98 ns resolution using 64 MHz timer operation and dithering function, supporting fine dimming and toning. Through cooperation between the PWM timer and comparator/external interrupt input, PFC control and protection functions can be realized by hardware. Low consumption current of 3.3 mA during LED and power supply control and 0.23 μA when waiting for UART (DALI) communication allows the power consumption of the system to be reduced. DALI/DMX512 lighting communication and Power Management Bus (PMBus) and System Management Bus (SMBus) power communication are supported. These microcontrollers can be used in LED lighting equipment and digital power supplies.

Features

  • CPU: RL78 core, Max. 32MHz
  • Voltage: 2.7V to 5.5V
  • Package: 32-pin QFN, 20 to 38-pin SOP
  • Memory: SRAM Max. 4KB, Program Flash Max. 64KB

Applications

  • Home Appliance
  • Lighting
  • Motor Control
  • Power Supply

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
RL78/I1A Datasheet Datasheet PDF 1.29 MB
User Guides & Manuals
EEPROM Emulation Library Type T02 (Tiny) Manual PDF 887 KB
Data Flash Access Library Type T02 (Tiny) Manual PDF 705 KB
Data Flash Access Library FDL-T01 RL78 Series Manual PDF 498 KB
EEPROM Emulation Library Type T01, European Release, RL78 Family Manual PDF 923 KB
Flash Self-programming Library Type T01, European Release Manual PDF 806 KB
Data Flash Access LibraryType T04 (Pico), European Release Manual PDF 594 KB
RL78/I1A User's Manual Hardware 日本語, 简体中文 Manual PDF 9.17 MB
RL78 Software Migration Guide CS+ to e2 studio Migration (CC-RL) 日本語 Guide PDF 3.23 MB
RL78 family User's Manual: Software 日本語 Manual PDF 1.45 MB
RL78/I1A DC/DC LED Control Evaluation Board User's Manual 日本語 Manual PDF 2.94 MB
Technical Updates
Restriction regarding reading data Flash memory 日本語 Technical Update PDF 213 KB
Restriction regarding Watchdog timer interrupt 日本語 Technical Update PDF 154 KB
Application Notes & White Papers
RL78 Family SHA Hash Function Library: Introduction Guide 日本語 Application Note PDF 282 KB
- RL78 Family SHA Hash Function Library: Introduction Guide 日本語 Application Note PDF 282 KB
RL78 Family RL78 Digital Signal Controller Library - Filter 日本語 Application Note PDF 754 KB
- RL78 Family RL78 Digital Signal Controller Library - Filter 日本語 Application Note PDF 754 KB
- RL78 Family FFT Library: Deployment Guide 日本語 Application Note PDF 244 KB
RL78 Family FFT Library: Deployment Guide 日本語 Application Note PDF 244 KB
- RL78/G14 Modbus ASCII/RTU (R01AN5380EJ0102) 日本語 Application Note PDF 1.76 MB
RL78/G14 Modbus ASCII/RTU (R01AN5380EJ0102) 日本語 Application Note PDF 1.76 MB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: ROM (Flash memory) 日本語 Application Note PDF 283 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Power supply circuit 日本語 Application Note PDF 224 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Band-Gap Regulator, Power-On Reset & Low-Voltage Detection Circuits 日本語 Application Note PDF 264 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Watchdog Timer 日本語 Application Note PDF 248 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Realtime Clock (RTC) 日本語 Application Note PDF 380 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Power-Down Modes 日本語 Application Note PDF 501 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Clock Pulse Generators 日本語 Application Note PDF 383 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: I/O Ports 日本語 Application Note PDF 216 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Exception Handling 日本語 Application Note PDF 378 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: CPU architecture 日本語 Application Note PDF 290 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: A/D Converter 日本語 Application Note PDF 419 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: IIC2 日本語 Application Note PDF 261 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: SCI3 日本語 Application Note PDF 439 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: 14-Bit PWM 日本語 Application Note PDF 304 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Timer V 日本語 Application Note PDF 481 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Timer B1 日本語 Application Note PDF 323 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Timer RC 日本語 Application Note PDF 413 KB
- RL78/I1A PMBus (Slave Transmission/Reception) 日本語 Application Note PDF 1017 KB
RL78/I1A PMBus (Slave Transmission/Reception) 日本語 Application Note PDF 1017 KB
RL78/G14, H8/36109 Migration Guide from H8 to RL78: Timer RD 日本語 Application Note PDF 551 KB
7-Segment LED Lighting Control (Arduino API) 日本語 Application Note PDF 951 KB
- 7-Segment LED Lighting Control (Arduino API) 日本語 Application Note PDF 951 KB
Arduino API Introduction Guide 日本語 Application Note PDF 1.65 MB
RL78/I1A DALI-2 Communication driver Application Notes (R01AN4654EJ0102) 日本語 Application Note PDF 999 KB
- RL78/I1A DALI-2 Communication driver Application Notes (R01AN4654EJ0101) 日本語 Application Note PDF 980 KB
- RL78/I1A DALI-2 Communication driver Application Notes (R01AN4654EJ0102) 日本語 Application Note PDF 999 KB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU extended Application Notes (R01AN4819EJ0110) 日本語 Application Note PDF 2.09 MB
IEC60730/60335 Self Test Library of CARL78 for RL78 MCU extended Application Notes (R01AN4823EJ0110) 日本語 Application Note PDF 2.36 MB
RL78/I1A DALI-2 Communication driver Application Notes (R01AN4654EJ0101) 日本語 Application Note PDF 980 KB
CAN Controller Usage: Applications and Frequently Asked Questions Application Note PDF 1.81 MB
Random Number Generator Application Note PDF 560 KB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) 日本語, 简体中文 Application Note PDF 1.47 MB
RL78/I1A Group LED Lighting AC/DC Converter Quick Start Guide Application Note PDF 2.89 MB
- IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes 日本語 Application Note PDF 3.59 MB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes 日本語 Application Note PDF 3.59 MB
RL78 Software Migration Guide Source Code Migration from Assembly Language to C Language CC-RL 日本語, 简体中文 Application Note PDF 1.64 MB
Current Consumption Tuning Solution for RL78 family (E2 Emulator,CS+) 日本語 Application Note PDF 1.91 MB
Current Consumption Tuning Solution for RL78 family (E2 Emulator, e² studio) 日本語 Application Note PDF 2.07 MB
IAR Embedded Workbench for RL78 Programming Techniques Application Note PDF 701 KB
RL78 Family C compiler CC-RL Programming Techniques 日本語 Application Note PDF 1.21 MB
- RL78 Family RL78 Hardware CRC Functions Application Note PDF 1.22 MB
RL78 Family RL78 Hardware CRC Functions Application Note PDF 1.22 MB
- Replacement Guide for R8C Family to RL78 Family (CcnvNC30) 日本語, 简体中文 Application Note PDF 987 KB
Replacement Guide for R8C Family to RL78 Family (CcnvNC30) 日本語, 简体中文 Application Note PDF 987 KB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) 日本語, 简体中文 Application Note PDF 1.47 MB
Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) 日本語, 简体中文 Application Note PDF 1.47 MB
- RL78 Family Real-Time-Clock Watch Error Correction function Application Note PDF 609 KB
RL78 Family Real-Time-Clock Watch Error Correction function Application Note PDF 609 KB
RL78/I1A Lighting Communications Using RL78/I1A (Transmission) 日本語 Application Note PDF 827 KB
- RL78/I1A Serial Array Unit (UART Communication) CC-RL 日本語 Application Note PDF 329 KB
RL78/I1A Serial Array Unit (UART Communication) CC-RL 日本語 Application Note PDF 329 KB
RL78/I1A Lighting Communications Using RL78/I1A (Reception) 日本語 Application Note PDF 1.32 MB
RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology M25P Series Serial Flash memory Control Software 日本語 Application Note PDF 2.46 MB
RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology M45PE Series Serial Flash memory Control Software 日本語 Application Note PDF 2.02 MB
RX Family, RL78 Family, 78K0R/Kx3-L Renesas R1EX25xxx Series Serial EEPROM Control Software 日本語 Application Note PDF 1.79 MB
RL78 Software Migration Guide Migrating from CA78K0R to CC-RL (CS+) 日本語 Application Note PDF 3.19 MB
- RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide 日本語 Application Note PDF 344 KB
- RL78 Family Sound Playback/Compression System (Original ADPCM Codec) M3S-S2-Tiny: Introduction Guide 日本語 Application Note PDF 153 KB
- RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide 日本語 Application Note PDF 189 KB
RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide 日本語 Application Note PDF 344 KB
RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide 日本語 Application Note PDF 189 KB
RL78 Family Sound Playback/Compression System (Original ADPCM Codec) M3S-S2-Tiny: Introduction Guide 日本語 Application Note PDF 153 KB
Application execution in RAM (RL78) Application Note PDF 792 KB
RL78 Family VDE Certified IEC60730/60335 Self Test Library Application Note PDF 1.42 MB
- IEC60730/60335 Self Test Library for RL78 MCU Application Notes 日本語 Application Note PDF 1.50 MB
IEC60730/60335 Self Test Library for RL78 MCU Application Notes 日本語 Application Note PDF 1.50 MB
- RL78/I1A LED Control Using RL78/I1A Timer KB Special Functions Application Note PDF 935 KB
RL78 Family CubeSuite+ Startup Guide 日本語 Application Note PDF 1.04 MB
- RL78 Family RL78 Internal Temperature Sensor Calibration Application Note PDF 197 KB
RL78 Minimizing Power Consumption when Sensing Switch Inputs Application Note PDF 104 KB
RL78 Microcontrollers (RL78 Protocol A) Programmer Edition Application Note 日本語, 简体中文 Application Note PDF 3.28 MB
RL78 Family Notes and Countermeasures Against Noise 日本語, 简体中文 Application Note PDF 230 KB
RL78 Bootloader - One Image (R11AN0470EU0100) Application Note PDF 690 KB
- RL78 Bootloader - One Image (R11AN0470EU0100) Application Note PDF 690 KB
PCNs & PDNs
Unification of a JEDEC tray and a embossed carrier tape for LQFP package (Additional Information & Correction) 日本語 Product Change Notice PDF 4.86 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001B/E ) 日本語 Product Change Notice PDF 3.74 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001A/E ) 日本語 Product Change Notice PDF 1.46 MB
Downloads
- RL78 Family SHA Hash Function Library: Introduction Guide - Sample Code Sample Code ZIP 5.50 MB
RL78 Family SHA Hash Function Library: Introduction Guide - Sample Code Sample Code ZIP 5.50 MB
- RL78 Family RL78 Digital Signal Controller Library - Filter - Sample Code Sample Code ZIP 1.53 MB
RL78 Family RL78 Digital Signal Controller Library - Filter - Sample Code Sample Code ZIP 1.53 MB
RL78 Family FFT Library: Deployment Guide - Sample Code Sample Code ZIP 2.22 MB
- RL78 Family FFT Library: Deployment Guide - Sample Code Sample Code ZIP 2.22 MB
RL78/G14 Modbus ASCII/RTU - Sample Code Sample Code ZIP 3.09 MB
- RL78/G14 Modbus ASCII/RTU - Sample Code Sample Code ZIP 3.09 MB
[Evaluation Software] CS+ for CC V8.05.00 (Single Download) 日本語 Evaluation Software ZIP 719.07 MB
CS+ Code Generator for RL78 (CS+ for CC) V2.21.00 日本語 Upgrade - IDE ZIP 42.28 MB
Applilet3 for RL78 V1.20.00 日本語 Upgrade - IDE ZIP 25.60 MB
CS+ Code Generator for RL78 (CS+ for CA,CX) V2.21.00 日本語 Upgrade - IDE ZIP 41.42 MB
CS+ for CC common program V8.05.00 日本語 Upgrade - IDE ZIP 243.98 MB
Differential update program V8.05.00 for CS+ for CC common program V8.02.00 or later 日本語 Upgrade - IDE ZIP 80.87 MB
RL78 Family C Compiler Package V1 (without IDE) V1.10.00 日本語 Upgrade - Compiler ZIP 19.65 MB
RL78 Compiler CC-RL V1.10.00 日本語 Upgrade - Compiler ZIP 16.61 MB
[Evaluation Software] CS+ for CA,CX V4.05.00 (Single Download) 日本語 Evaluation Software ZIP 483.78 MB
CS+ for CA,CX common program V4.05.00 日本語 Upgrade - IDE ZIP 196.94 MB
Differential update program V4.05.00 for CS+ for CA,CX common program V4.03.00 or later 日本語 Upgrade - IDE ZIP 5.52 MB
RL78/I1A PMBus (Slave Transmission/Reception) - Sample Code 日本語 Sample Code ZIP 2.24 MB
- RL78/I1A PMBus (Slave Transmission/Reception) - Sample Code 日本語 Sample Code ZIP 2.24 MB
Code Generator Common (CS+ for CA,CX) V1.16.00 日本語 Upgrade - IDE ZIP 7.85 MB
e² studio 2020-10 installer for Windows 日本語 Upgrade - IDE EXE 1,618.03 MB
e² studio 2020-10 Linux Host 日本語 Upgrade - IDE XZ 570.04 MB
CS+ for CC Device Information for RL78 V8.04.00 日本語 Upgrade - IDE ZIP 15.80 MB
CS+ for CA,CX Device Information for RL78 V8.04.00 日本語 Upgrade - IDE ZIP 15.81 MB
CS+ for CA,CX Emulator Utilities V1.03.00 日本語 Upgrade - IDE ZIP 12.67 MB
CS+ QE V9.04.00 日本語 Upgrade - IDE ZIP 4.02 MB
- 7-Segment LED Lighting Control (Arduino API) - Sample Code 日本語 Sample Code ZIP 1.93 MB
7-Segment LED Lighting Control (Arduino API) - Sample Code 日本語 Sample Code ZIP 1.93 MB
- RL78/I1A DALI-2 Communication driver Application Notes - Sample Code Sample Code ZIP 2.25 MB
RL78/I1A DALI-2 Communication driver Application Notes - Sample Code Sample Code ZIP 2.25 MB
e² studio 2020-04 installer (Offline installer) 日本語 Upgrade - IDE EXE 1,263.99 MB
e² studio V7.8.0 installer (Offline installer) 日本語 Upgrade - IDE EXE 1,396.16 MB
Code Generator for RL78 (CS+ for CA,CX) V2.19.00 日本語 Upgrade - IDE EXE 33.34 MB
Code Generator Common (CS+ for CA,CX) V1.15.00 日本語 Upgrade - IDE EXE 8.41 MB
Update Manager V2.03.01 日本語 Upgrade - IDE ZIP 3.44 MB
Code Generator for RL78 (CS+ for CC) V2.19.00 日本語 Upgrade - IDE EXE 33.33 MB
RL78 Family C Compiler Package V1 (without IDE) V1.09.00 日本語 Evaluation Software EXE 19.83 MB
RL78 Compiler CC-RL V1.09.00 日本語 Upgrade - Compiler EXE 16.88 MB
- IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU extended Application Notes - Sample Code (r01an4819ej0110) Sample Code ZIP 14.12 MB
- RL78 MCUのためのIEC60730/60335セルフテスト・ライブラリCCRL78拡張版 アプリケーションノート - Sample Code Sample Code ZIP 17.15 MB
- IEC60730/60335 Self Test Library of CARL78 for RL78 MCU extended Application Notes - Sample Code (r01an4823ej0110) Sample Code ZIP 2.37 MB
- RL78 MCUのためのIEC60730/60335セルフテスト・ライブラリCARL78拡張版 アプリケーションノート - Sample Code Sample Code ZIP 5.38 MB
- RL78/I1A DALI-2 Communication driver Application Notes - Sample Code Sample Code ZIP 2.25 MB
CS+ Utilities V3.05.00 日本語 Upgrade - IDE EXE 3.62 MB
Programming GUI for PG-FP5 V2.17 日本語 Upgrade - Programmer ZIP 56.45 MB
Firmware for PG-FP5 V2.17 日本語 Upgrade - Programmer ZIP 289 KB
USB Driver for Renesas MCU Tools(E2,E2 Lite,IE850,IE850A,PG-FP5) V2.77.00(for 32-bit version of Windows OS) 日本語 Upgrade - IDE ZIP 3.09 MB
USB Driver for Renesas MCU Tools V2.77.00 (for 64-bit version of Windows OS) 日本語 Upgrade - IDE ZIP 3.25 MB
Flash Self Programming Library Type01 Package Ver.3.00 for the RL78 Family [for the CA78K0R/CC-RL Compiler] 日本語 Upgrade - Programmer ZIP 1.66 MB
Data Flash Library Type04 Package Ver.2.00 for the RL78 Family [for the CA78K0R/CC-RL Compiler] 日本語 Upgrade - Programmer ZIP 1.64 MB
从78K0转至RL78的迁移指南(CcnvCA78K0) - Sample Code Sample Code ZIP 2.32 MB
e² studio 6.3.0 installer (Offline installer) 日本語 Upgrade - IDE EXE 952.89 MB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes - Sample Code 日本語 Sample Code ZIP 3.52 MB
- IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes - Sample Code 日本語 Sample Code ZIP 3.52 MB
EEPROM Emulation Library Pack01 Package Ver.2.10 (for CA78K0R Compiler) for RL78 Family 日本語 Upgrade - Programmer ZIP 1.67 MB
EEPROM Emulation Library Pack02 Package Ver.2.00(for CA78K0R/CC-RL Compiler) for RL78 Family 日本語 Upgrade - Programmer ZIP 7.49 MB
CcnvNC30 C Source Code Converter V1.00.01 日本語 Upgrade - Compiler ZIP 53 KB
RL78 Family RL78 Hardware CRC Functions - Sample Code Sample Code ZIP 1.85 MB
- RL78 Family RL78 Hardware CRC Functions - Sample Code Sample Code ZIP 1.85 MB
Replacement Guide for R8C Family to RL78 Family (CcnvNC30) - Sample Code Sample Code ZIP 1.42 MB
- Replacement Guide for R8C Family to RL78 Family (CcnvNC30) - Sample Code Sample Code ZIP 1.42 MB
- R8CファミリからRL78ファミリへの置き換えガイド(CcnvNC30) - Sample Code Sample Code ZIP 2.86 MB
- 从R8C转至RL78的迁移指南(CcnvNC30) - Sample Code Sample Code ZIP 1.39 MB
Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) - Sample Code 日本語 Sample Code ZIP 2.08 MB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) - Sample Code 日本語 Sample Code ZIP 2.08 MB
- 从78K0转至RL78的迁移指南(CcnvCA78K0) - Sample Code Sample Code ZIP 2.32 MB
Upgrade tool (Firmware V2.03) for QB-RL78I1A 日本語 Upgrade - Debugger ZIP 2.12 MB
RL78 Family Real-Time-Clock Watch Error Correction function - Sample Code Sample Code ZIP 1.98 MB
- RL78 Family Real-Time-Clock Watch Error Correction function - Sample Code Sample Code ZIP 1.98 MB
RL78/I1A Serial Array Unit (UART Communication) CC-RL - Sample Code 日本語 Sample Code ZIP 491 KB
- RL78/I1A Serial Array Unit (UART Communication) CC-RL - Sample Code 日本語 Sample Code ZIP 491 KB
Software for Floating License Management V1.00.00 日本語 Upgrade - Compiler EXE 134.85 MB
Renesas Tool License Manager V1.25.00 日本語 Upgrade - Compiler EXE 3.35 MB
- RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology M25P Series Serial Flash memory Control Software - Sample Code 日本語 Sample Code ZIP 2.47 MB
- RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology M45PE Series Serial Flash memory Control Software - Sample Code 日本語 Sample Code ZIP 2.03 MB
- RX Family, RL78 Family, 78K0R/Kx3-L Renesas R1EX25xxx Series Serial EEPROM Control Software - Sample Code 日本語 Sample Code ZIP 1.80 MB
RL78,78K0R Compiler CA78K0R V1.72 日本語 Upgrade - Compiler EXE 18.81 MB
RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.29 MB
RL78 Family Sound Playback/Compression System (Original ADPCM Codec) M3S-S2-Tiny: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.51 MB
RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.83 MB
- RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.29 MB
- RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.83 MB
- RL78 Family Sound Playback/Compression System (Original ADPCM Codec) M3S-S2-Tiny: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.51 MB
CS+ Partner OS Aware Debugging Plug-in V3.01.00 日本語 Upgrade - OS EXE 2.57 MB
[Trial Software] RI78V4 V2.00.00 Real-time OS for RL78 Family (supported by CS+) 日本語 Upgrade - OS ZIP 13.98 MB
Programming GUI for PG-FP5 V2.13 日本語 Upgrade - Programmer EXE 58.78 MB
- RL78 Family VDE Certified IEC60730/60335 Self Test Library - Sample Code (r01an0749eg0201) Sample Code ZIP 3.55 MB
IEC60730/60335 Self Test Library for RL78 MCU Application Notes - Sample Code Sample Code ZIP 2.88 MB
- IEC60730/60335 Self Test Library for RL78 MCU Application Notes - Sample Code Sample Code ZIP 2.88 MB
- RL78 MCUのためのIEC60730/60335セルフテスト・ライブラリ アプリケーションノート - Sample Code Sample Code ZIP 4.81 MB
CubeSuite+ Partner OS Aware Debugging Plug-in V2.01.00 日本語 Upgrade - OS EXE 2.72 MB
RL78/I1A LED Control Using RL78/I1A Timer KB Special Functions - Sample Code Sample Code ZIP 1.53 MB
RL78 Family RL78 Internal Temperature Sensor Calibration - Sample Code Sample Code ZIP 310 KB
Parameter File for RL78/I1A group: PR5-R5F107 V1.00 日本語 Upgrade - Programmer ZIP 258 KB
FPGA data for PG-FP5 V4 日本語 Upgrade - Programmer ZIP 162 KB
- RL78 Bootloader - One Image (D6004601) Sample Code ZIP 22.37 MB
RL78 Bootloader - One Image (D6004601) Sample Code ZIP 22.37 MB
Tool News
[Released on the Web] e² studio RL78 Smart Configurator Plug-in V1.0.1, RL78 Smart Configurator V1.0.1 日本語 Tool News - Release PDF 315 KB
[Notes] C Compiler Package for RL78 Family (CCRL#027) 日本語 Tool News - Note PDF 177 KB
[Notes] C Compiler CA78K0R for RL78 Family and 78K0R, C Compiler CC78K0R for 78K0R 日本語 Tool News - Note PDF 165 KB
[Notes] Renesas Flash Programmer 日本語 Tool News - Note PDF 29 KB
[Upgrade to revision] CS+ Code Generator for RL78 (CS+ for CC) V2.21.00, CS+ Code Generator for RL78 (CS+ for CA,CX) V2.21.00, e² studio Code Generator Plug-in V2.18.0, AP4 for RL78 V1.20.00, Applilet3 for RL78 V1.20.00 日本語 Tool News - Release PDF 178 KB
[Upgraded to version] e² studio 2021-01 日本語 Tool News - Release PDF 159 KB
[Upgrade to revision] C Compiler Package for RL78 CC-RL V1.10.00 日本語 Tool News - Release PDF 70 KB
[Note] C Compiler Package for RL78 Family (CCRL#026) 日本語 Tool News - Note PDF 178 KB
[Upgrade to revision] Renesas Flash Programmer V3.08.01 日本語 Tool News - Release PDF 81 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.05.01 日本語 Tool News - Release PDF 57 KB
[Upgrade to revision] CS+ Integrated Development Environment V8.05.00 日本語 Tool News - Release PDF 144 KB
[Notification] Flash Programmer Survey Invitation 日本語 Tool News - Notification PDF 29 KB
[Upgrade to revision] CS+ Code Generator for RL78 (CS+ for CC) V2.20.00, CS+ Code Generator for RL78 (CS+ for CA,CX) V2.20.00, e² studio Code Generator Plug-in V2.16.0 日本語 Tool News - Release PDF 178 KB
[Featured Tool] Minimize the time for optimizing current consumption with IAR Embedded Workbench®! Introducing the E2 Emulator current consumption measuring function 日本語 Tool News - Featured Tool PDF 260 KB
[Upgraded to version] e² studio 2020-10 日本語 Tool News - Release PDF 160 KB
[Upgrade to revision] Renesas Flash Programmer V3.08.00 日本語 Tool News - Release PDF 83 KB
[Notes] On-chip Debugging Emulator E2 Emulator 日本語 Tool News - Note PDF 144 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.05.00 日本語 Tool News - Release PDF 72 KB
[Upgraded to version] e² studio 2020-07 日本語 Tool News - Release PDF 159 KB
[Upgrade to revision] Renesas Flash Programmer V3.06.02 日本語 Tool News - Release PDF 80 KB
[Upgrade to revision] CS+ Integrated Development Environment V8.04.00 日本語 Tool News - Release PDF 491 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.04.02 日本語 Tool News - Release PDF 74 KB
[Notes] On-chip Debugging Emulator E2 Emulator 日本語 Tool News - Note PDF 141 KB
[Notification] Renesas Flash Programmer V3.06.01 Addition of Supported Devices and End of Device Support 日本語 Tool News - Notification PDF 28 KB
[Upgrade to revision] CS+ Device Information for RL78 V8.02.01 日本語 Tool News - Release PDF 130 KB
[Notes] e² studio Integrated Development Environment 日本語 Tool News - Note PDF 121 KB
[Notes] CS+ Integrated Development Environment 日本語 Tool News - Note PDF 127 KB
[Notes] CS+ and e² studio Integrated Development Environments 日本語 Tool News - Note PDF 133 KB
[Notes] CS+ and e² studio Integrated Development Environments 日本語 Tool News - Note PDF 136 KB
[Notes] RL78 Family Sound Playback/Compression System (Original ADPCM Codec) M3S-S2-Tiny V.3.04 Release 00 日本語 Tool News - Note PDF 107 KB
[Notification] Isolator for E1 Emulator Compatible with E2 Emulator and E2 Emulator Lite 日本語 Tool News - Notification PDF 147 KB
[Notification] Renesas Flash Programmer Command-Line Option Function that is Effective for Programming of Renesas MCU Containing Flash Memory 日本語 Tool News - Notification PDF 185 KB
[Notification] E2 Emulator Lite, an On-Chip Debugging Emulator for CS+ Integrated Development Environment 日本語 Tool News - Featured Tool PDF 362 KB
[Notification] Option Products for the IECUBE Full-spec Emulator: Space Adapter Which is Useful for Height Adjustment of the Target System Connector, and Mount Adapter Which Allows an MCU to Be Mounted 日本語 Tool News - Featured Tool PDF 288 KB
[Upgrade to revision] C Source Code Converters, CcnvCA78K0R, CcnvCA78K0, CcnvNC30 日本語 Tool News - Release PDF 234 KB
[Notification] Introduction of Check Pin Adapter QB-144-CA-01, Optional Product of IECUBE Full-spec Emulator 日本語 Tool News - Featured Tool PDF 173 KB
[Notification] Introduction of Useful Functions for Debugging on IECUBE Full-Spec Emulator for the RL78 Family 日本語 Tool News - Featured Tool PDF 329 KB
[Upgrade to revision] CS+ Utilities for the Real-time Operating Systems (RI850V4 V2, RI600V4, RI78V4 V2, and RI600PX) 日本語 Tool News - Release PDF 190 KB
Other
Renesas RL78 Family Microcontrollers Brochure 日本語 Flyer PDF 4.88 MB
Customer Notification - Embedded Workbench® for RL78 V2.xx/V3.xx/ V4.xx ( r20ut3407ed0134 ) Other PDF 753 KB
[Flyer] E2Emulator[RTE0T00020KCE00000R] 日本語, 简体中文 Flyer PDF 381 KB
Renesas Software and Tools Flash Memory Programmer PG-FP6 日本語, 简体中文 Flyer PDF 417 KB
Building Automation Brochure 日本語 Brochure PDF 6.65 MB
Semiconductor Package Mount Manual 日本語, 简体中文 Other PDF 10.28 MB
RL78 Microcontrollers Brochure PDF 5.80 MB
Powered Up and Ready to Go Renesas/Intersil Joint Brochure Brochure PDF 5.27 MB
RL78The True Low Power Microcontroller Platform Brochure PDF 1.10 MB
Semiconductor Reliability Handbook 日本語 Other PDF 14.70 MB
[Flyer] Renesas Software and Tools C Compiler Package for RL78 Family 日本語 Flyer PDF 414 KB
Renesas General-Purpose Microcontrollers/Microprocessors Lineup Catalog 日本語 Brochure PDF 6.12 MB
Renesas RL78 Family MCU Brochure PDF 4.62 MB
LGA Mounting Manual 日本語 Other PDF 1.02 MB
QFN Mounting Manual 日本語, 简体中文 Other PDF 3.19 MB
RL78/I1A GROUP SOLDERING CONDITIONS TABLE"" Other PDF 815 KB
The Art of Lighting Flyer PDF 2.22 MB
RL78 - The Ultimate Low Power Microcontroller Platform Flyer PDF 3.57 MB
RL78/I1A The Ultimate Lighting Microcontroller Flyer PDF 540 KB
RL78/I1A:Supply current characteristics (IDD-VDD) Other PDF 152 KB
RL78/I1A:VOL-IOL (Drive Current) Other PDF 183 KB
RL78/I1A:VOH-IOH (Drive Current) Other PDF 284 KB
RL78/G10,G11,G12,G13,G14,G1C,G1D,G1F,G1G,G1H,L12,L13,I1A,I1B,I1C,I1E,H1D:A/D converter characteristics (overall error) Other PDF 7.61 MB

Software & Tool Pages

Title Type Description Company
DALI Master Controller GUI Code Generator The DALI Master Controller GUI controls an RL78/I1A lighting communication master evaluation board Renesas
Applilet EZ for HCD Code Generator Tool that automatically generates LED-lighting sampling software, and writes it to a microcontroller Renesas
Code Generator Plug-in Code Generator 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] Renesas
AP4, Applilet Code Generator Peripheral I/O driver generator compatible with third-party compilers and GNU compiler (for RZ, V850, RX, RL78, and 78K) Renesas
DMX512 Master Controller GUI Code Generator The DMX512 Master Controller GUI controls an RL78/I1A lighting communication master evaluation board. Renesas
Data Flash Libraries Self Programming Library (Flash Library) Libraries for the reprogramming of data flash memory, including EEPROM emulation libraries for the data areas of RL78-family products Renesas
Code Flash Libraries (Flash Self Programming Libraries) Self Programming Library (Flash Library) Libraries for the reprogramming of code area flash memory, including EEPROM emulation libraries for the code areas of 78K-family products Renesas
FAT File System [M3S-TFAT-Tiny] for the RL78 Family File System FAT file system for RL78 Family Renesas
DALI Protocol Stack Software Development Environment Protocol Stack Renesas
Crypto Library Security / Crypto Robust encode library to ensure security for all types of system developments Renesas
FFT Library DSP / FFT Fast Fourier Transform (FFT) Library Renesas
Sound Playback/Compression System [M3S-S2-Tiny] for RL78 Family Sound / Voice Sound playback system for RL78 Family Renesas
RI78V4 V2 Real-time OS for RL78 Family ITRON OS μITRON Specification real-time OS for RL78 Family [Required IDE : CS+]

Renesas
RI78V4 V1 Real-time OS for RL78 Family and 78K0R ITRON OS μITRON4.0 Specification real-time OS for RL78 Family and 78K0R [Required IDE : CS+] Renesas
C Compiler Package for RL78 Family Compiler/Assembler C Compiler Package for RL78 Family [Compiler: CC-RL] [IDE: without IDE (for using "e2 studio") or with CS+] Renesas
E2 emulator [RTE0T00020KCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX] Renesas
E2 emulator Lite [RTE0T0002LKCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX] Renesas
CS+ IDE and Coding Tool Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0] Important: CS+ is not generally promoted to U.S. and European customers. Renesas
e² studio IDE and Coding Tool Eclipse-based Renesas integrated development environment (IDE). (Note: You need to install compiler separately as an additional software) [Support MCU/MPU: RA, RE, RX, RL78, RH850, Renesas Synergy, RZ] Renesas
PG-FP6 Programmer (Unit/SW) Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C] Renesas
Renesas Flash Programmer (Programming GUI) Programmer (Unit/SW) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78KR, 78K0] Renesas
Simulator for e² studio of RL78 Family Simulator Simulator for RL78 Family [Support IDE: e2 studio] (Note: This product is included in the Renesas IDE "e2 studio" and is not available separately.) Renesas
QE for Current Consumption: A Dedicated Tool for Current Measurement Solution Toolkit 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] Renesas

Boards & Kits

Part Number Title Type Company
RL78-I1A-CPU-BOARD RL78/I1A CPU Board Evaluation Renesas
EZ-0012 EZ-0012 LED Lighting Evaluation Board Evaluation Renesas
QB-R5F107DE-TB RL78/I1A (R5F107DEGSP) Target Board Evaluation Renesas
TPW-RL78I1A RL78/I1A TPW-RL78I1A Evaluation Board for PFC and LED Control Evaluation Renesas
TCM-RL78I1A RL78/I1A Lighting Communication Master Evaluation Board TCM-RL78I1A Evaluation Renesas