RL78/L12 microcontrollers have a built-in segment LCD driver. Three LCD driving voltage generation methods (external resistance division, capacitive split, and internal voltage boost) are supported, corresponding to a variety of segment LCD panels. They realize low current consumptionNote 1: external resistance division: 1.60 μANote 2, internal voltage boost: 1.19 μA, and capacitive split: 0.68 µA. With a lineup of 32 to 64-pin products supporting up to 280 segments, these microcontrollers are perfect for small devices with built-in LCD panels such as small appliances and healthcare devices.

Note 1: Current (typ.) at 1/3 bias, subclock operation, HALT mode, and RTC operation.

Note 2: Resistance value for external resistance division = 1000 kΩ.

Features

  • CPU: RL78 core, Max. 24MHz
  • Voltage: 1.6V to 5.5V
  • Package: 64-pin QFN, 32 to 64-pin QFP
  • Memory: SRAM Max. 1.5KB, Program Flash Max. 32KB

Applications

  • Healthcare
  • Home Appliance
  • Office
  • Security

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Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
RL78/L12 Data Sheet – Datasheet PDF 1.43 MB
User Guides & Manuals
List of MCUs supported by PG-FP5 日本語 Manual PDF 214 KB
PG-FP6 V1.05 Flash Memory Programmer User's Manual 日本語 Manual PDF 3.13 MB
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/L12 User's Manual: Hardware 日本語, 简体中文 Manual PDF 8.93 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
RPBRL78L12 Renesas Promotion Board Schematics – Manual PDF 614 KB
YRPBRL78L12 Quick Start Guide – Manual PDF 11.35 MB
YRPBRL78L12 User's Manual – Manual PDF 14.33 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/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/G14, H8/36109 Migration Guide from H8 to RL78: Timer RD 日本語 Application Note PDF 551 KB
- Onboard LED Flashing Control (Arduino API) 日本語 Application Note PDF 620 KB
- Onboard LED Flashing Control (Arduino API) 日本語 Application Note PDF 514 KB
PG-FP6 Usage of Communications Commands 日本語 Application Note PDF 369 KB
RL78/L12 Multi-Cycle Computer for Bicycles 日本語 Application Note PDF 1.08 MB
Renesas Flash Programmer Usage from the Command Line 日本語 Application Note PDF 208 KB
RL78/L12 Thermometer with UART Communication Functions 日本語 Application Note PDF 820 KB
- RL78/L12 Thermometer with UART Communication Functions 日本語 Application Note PDF 820 KB
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
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 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/L12 Serial Array Unit (UART Communication) CC-RL – Application Note PDF 316 KB
- RL78/L12 シリアル・アレイ・ユニット（UART通信）CC-RL – Application Note PDF 514 KB
RL78/L12 シリアル・アレイ・ユニット（UART通信）CC-RL – Application Note PDF 514 KB
RL78/L12 Serial Array Unit (UART Communication) CC-RL – Application Note PDF 316 KB
RL78 Family SHA Hash Function Library Introduction Guide 日本語 Application Note PDF 165 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Spansion S25FLxxxS MirrorBit® Flash Non-Volatile Memory Control Software 日本語 Application Note PDF 801 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software 日本語 Application Note PDF 823 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology N25Q Serial NOR Flash Memory Control Software 日本語 Application Note PDF 775 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology P5Q Serial Phase Change Memory Control Software 日本語 Application Note PDF 732 KB
RX Family, RL78 Family, 78K0R/Kx3-L Spansion S25FLxxxS MirrorBit® Flash Non-Volatile Memory Control Software 日本語 Application Note PDF 801 KB
RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software 日本語 Application Note PDF 823 KB
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 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 FFT Library: Introduction Guide 日本語 Application Note PDF 131 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 Digital Signal Controller Library - Filter – Application Note PDF 898 KB
RL78 Family Digital Signal Controller Library - Filter – Application Note PDF 898 KB
RL78 Family VDE Certified IEC60730/60335 Self Test Library – Application Note PDF 1.42 MB
RL78 Minimizing Power Consumption when Sensing Switch Inputs – Application Note PDF 104 KB
RL78 Software LCD Driver – Application Note PDF 1.29 MB
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 日本語 Product Change Notice PDF 3.74 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package 日本語 Product Change Notice PDF 1.46 MB
Downloads
[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
e² studio 2021-01 installer (Offline installer) 日本語 Upgrade - IDE EXE 1,637.73 MB
CS+ Code Generator for RL78 (CS+ for CA,CX) V2.21.00 日本語 Upgrade - IDE ZIP 41.42 MB
Software for floating license management V2.04.00 日本語 Upgrade - Compiler ZIP 31.54 MB
License Manager V2.04.00 日本語 Upgrade - Compiler ZIP 6.69 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
Code Generator Common (CS+ for CA,CX) V1.16.00 日本語 Upgrade - IDE ZIP 7.85 MB
e² studio 2020-10 Linux Host 日本語 Upgrade - IDE XZ 570.04 MB
e² studio 2020-10 installer (Offline installer) 日本語 Upgrade - IDE EXE 1,618.03 MB
[Evaluation Software] CS+ for CC V8.04.00 (Single Download) 日本語 Evaluation Software EXE 688.19 MB
Onboard LED Flashing Control (Arduino API) - Sample Code 日本語 Sample Code ZIP 997 KB
Onboard LED Flashing Control (Arduino API) – Sample Code ZIP 1.78 MB
CS+ QE V9.04.00 日本語 Upgrade - IDE ZIP 4.02 MB
[Evaluation Software] CS+ for CA,CX V4.04.00(2020.07) (Single Download) 日本語 Evaluation Software ZIP 458.56 MB
- RL78/L12 Multi-Cycle Computer for Bicycles – Sample Code ZIP 16.88 MB
e² studio 2020-04 installer (Offline installer) 日本語 Evaluation Software EXE 1,263.99 MB
e² studio V7.8.0 installer (Offline installer) 日本語 Evaluation Software EXE 1,396.16 MB
License Manager V2.03.01 日本語 Upgrade - Compiler ZIP 6.64 MB
Software for floating license management V2.03.01 日本語 Upgrade - Compiler EXE 31.41 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
CS+ for CA,CX common program V4.04.00 日本語 Upgrade - IDE EXE 197.40 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
RL78/L12 PM2.5 Monitor with Portable Battery Batch Download – Sample Code ZIP 2.35 MB
CS+ Utilities V3.05.00 日本語 Upgrade - IDE EXE 3.62 MB
- RL78/L12 Thermometer with UART Communication Functions 日本語 Sample Code ZIP 1.01 MB
RL78/L12 Thermometer with UART Communication Functions 日本語 Sample Code ZIP 1.01 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
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
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
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
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
e² studio 6.3.0 installer (Offline installer) 日本語 Upgrade - IDE EXE 952.89 MB
CS+ for CA,CX Device Information for RL78 V6.01.00 日本語 Upgrade - IDE EXE 16.89 MB
RL78 Family RL78 Hardware CRC Functions – Sample Code ZIP 1.85 MB
- RL78 Family RL78 Hardware CRC Functions – Sample Code ZIP 1.85 MB
- Replacement Guide for R8C Family to RL78 Family (CcnvNC30) – 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 ZIP 2.86 MB
- 从R8C转至RL78的迁移指南（CcnvNC30） – Sample Code ZIP 1.39 MB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) 日本語 Sample Code ZIP 2.08 MB
- 从78K0转至RL78的迁移指南（CcnvCA78K0） – Sample Code ZIP 2.32 MB
Upgrade tool (Firmware V2.03) for QB-RL78L12 日本語 Upgrade - Debugger ZIP 1.94 MB
RL78 Family Real-Time-Clock Watch Error Correction function – Sample Code ZIP 1.98 MB
- RL78 Family Real-Time-Clock Watch Error Correction function – Sample Code ZIP 1.98 MB
RL78/L12 Serial Array Unit (UART Communication) CC-RL 日本語 Sample Code ZIP 476 KB
- RL78/L12 Serial Array Unit (UART Communication) CC-RL 日本語 Sample Code ZIP 476 KB
- RL78/L12 Serial Array Unit (UART Communication) CC-RL 日本語 Sample Code ZIP 476 KB
- RL78 Family SHA Hash Function Library Introduction Guide 日本語 Sample Code ZIP 1.43 MB
RX Family, RL78 Family, 78K0R/Kx3-L Spansion S25FLxxxS MirrorBit® Flash Non-Volatile Memory Control Software 日本語 Sample Code ZIP 812 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 Macronix International MX25/66L Family Serial NOR Flash Memory Control Software 日本語 Sample Code ZIP 835 KB
RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology N25Q Serial NOR Flash Memory Control Software 日本語 Sample Code ZIP 789 KB
RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology P5Q Serial Phase Change Memory Control Software 日本語 Sample Code ZIP 744 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Spansion S25FLxxxS MirrorBit® Flash Non-Volatile Memory Control Software 日本語 Sample Code ZIP 812 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software 日本語 Sample Code ZIP 835 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology M25P Series Serial Flash memory Control Software 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 日本語 Sample Code ZIP 2.03 MB
- RX Family, RL78 Family, 78K0R/Kx3-L Renesas R1EX25xxx Series Serial EEPROM Control Software 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 日本語 Sample Code ZIP 1.29 MB
- RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide 日本語 Sample Code ZIP 1.83 MB
- RL78 Family FFT Library: Introduction Guide 日本語 Sample Code ZIP 1.60 MB
- RL78 Family Sound Playback/Compression System (Original ADPCM Codec) M3S-S2-Tiny: Introduction Guide 日本語 Sample Code ZIP 1.51 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
RL78 Family Digital Signal Controller Library - Filter – Sample Code ZIP 1.23 MB
- RL78 Family Digital Signal Controller Library - Filter – Sample Code ZIP 1.23 MB
Programming GUI for PG-FP5 V2.13 – Upgrade - Programmer EXE 58.78 MB
- RL78 Family VDE Certified IEC60730/60335 Self Test Library – Sample Code ZIP 3.55 MB
FPGA data for PG-FP5 V4 日本語 Upgrade - Programmer ZIP 162 KB
Tool News
[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] 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
[Notes] Renesas Flash Programmer 日本語 Tool News - Note PDF 29 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
[Upgrade to revision] Renesas Flash Programmer V3.08.01 日本語 Tool News - Release PDF 81 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
[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 2020-10 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
[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] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.04.02 日本語 Tool News - Release PDF 74 KB
[Upgrade to revision] CS+ Integrated Development Environment V8.04.00 日本語 Tool News - Release PDF 491 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
[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
e² studio 2020-10 Release Note – Release Note PDF 2.46 MB
CS+ Code Generator for RL78 (CS+ for CC/CA,CX) V2.20.00, e² studio Code Generator Plug-in V2.17.0 Release Note 日本語 Release Note PDF 708 KB
PG-FP6 Flash Memory Programmer Release Note 日本語 Release Note PDF 269 KB
e² studio 2020-07 Release Note – Release Note PDF 1.52 MB
CS+ for CC V8.04.00 Release Note 日本語 Release Note PDF 256 KB
CS+ Integrated Development Environment Package V8.04.00 Release Note 日本語 Release Note PDF 956 KB
CS+ Code Generator for RL78 (CS+ for CC/CA,CX) V2.19.00, e² studio Code Generator Plug-in V2.15.1 / V2.16.100, AP4 for RL78 V1.18.00, Applilet3 for RL78 V1.18.00 Release Note 日本語 Release Note PDF 457 KB
[Flyer] Renesas Software and Tools Flash Memory Programmer PG-FP6 日本語 Flyer PDF 417 KB
Building Automation Brochure 日本語 Brochure PDF 6.65 MB
Renesas Software and Tools Flash Memory Programmer PG-FP6 日本語 Brochure PDF 619 KB
Renesas RL78 Family Microcontrollers Brochure 日本語 Flyer PDF 5.89 MB
RL78/L12 Oscillation circuit characteristics 日本語 Software & Tools - Others PDF 103 KB
RL78/L12 GROUP “SOLDERING CONDITIONS TABLE” – Other PDF 971 KB
Smart Meter Solutions Catalog 日本語 Brochure PDF 1.79 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
[Flyer] Renesas Software and Tools e² studio: Integrated Development Environment Based on Eclipse – Flyer PDF 930 KB
[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
Whitepaper 3: De-Clocking vs MCU Standby for Low Power Design – Flyer PDF 787 KB
Whitepaper 1: Lemon Powered Design – Flyer PDF 1.21 MB
Whitepaper 2: The Rules of Low Power MCU Design – Flyer PDF 909 KB
Whitepaper 4: Maximise Your Battery Life – Flyer PDF 592 KB
Pre-paid Water Meter - Schematic and Software – Software & Tools - Others ZIP 518 KB
Pre-paid Water Meter - Application Note – Software & Tools - Others ZIP 1019 KB
Renesas Starter Kit for RL78/L12 Installer V.1.00 (e²studio Version) – Software & Tools - Others ZIP 830.52 MB
Renesas Starter Kit for RL78/L12 Installer V.1.00 (CubeSuite+ Version) – Software & Tools - Others ZIP 691.37 MB
Renesas RL78 Family MCU – Brochure PDF 4.62 MB
RL78/L12:VOL-IOL (Drive Current) – Other PDF 145 KB
RL78/L12:VOH-IOH (Drive Current) – Other PDF 134 KB
Promotion software installation Package – Software & Tools - Others ZIP 1.25 MB
Promotion software installation Package – Software & Tools - Others ZIP 1,018.03 MB
RL78/L12 The True Low Power LCD Microcontroller Platform – Flyer PDF 2.51 MB
RL78/L12:Supply current characteristics (IDD-VDD) – Other PDF 150 KB
RL78 - The Ultimate Low Power Microcontroller Platform – Flyer PDF 3.57 MB
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
info: For device-specific or order-specific documentation, submit a support request.

Software / Tools

Title Type Description Company
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
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
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
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
I2C Serial EEPROM Driver Serial Memory Device Drivers for I2C Bus Serial EEPROM R1EX24xxx Series, R1EV24xxx Series and HN58X24xxx Series Renesas
SPI Serial EEPROM Driver Serial Memory Device Drivers for SPI Bus Serial EEPROM R1EX25xxx Series and HN58X25xxx Series Renesas
SPI/QSPI Serial Flash Memory, QSPI Serial Phase Change Memory Driver Serial Memory Device Driver for SPI and QSPI Serial Flash Memory and QSPI Serial Phase Change Memory Renesas
FAT File System [M3S-TFAT-Tiny] for the RL78 Family File System FAT file system for RL78 Family 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
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) 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
RL78 Web Simulator 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. 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-L12-STARTER-KIT Renesas Starter Kit for RL78/L12 (Kit with e2 studio) Starter
RL78-L12-CPU-BOARD RL78/L12 CPU Board Evaluation
RL78-L12-PROMOTION-BOARD RL78/L12 Promotion Board Evaluation
PM2.5-Monitor-with-Portable-Battery PM2.5 Monitor with Portable Battery Reference Design Reference
QB-R5F10RLC-TB RL78/L12 (R5F10RLCAFB) Target Board Evaluation
RL78/L12-Starter-Kit Renesas Starter Kit for RL78/L12 Starter
YRPBRL78L12 YRPBRL78L12 Evaluation Board for RL78/L12 Evaluation