The RL78/H1D microcontroller includes high precision analog functions such as Delta-Sigma A/D converter, SAR A/D converter, Programmable Gain amplifiers, Operational amplifier, and 8-bit/12-bit D/A converter. It also has a built-in LCD controller/driver which makes the RL78/H1D well suited for healthcare devices, especially blood pressure monitor.

Features

  • CPU: RL78 core, Max. 24MHz
  • Voltage: 1.8V to 5.5V
  • Package: 64-pin BGA, 48 to 80-pin LFQFP
  • Memory: SRAM Max. 8KB, Program Flash Max. 128KB
  • Timer: 16-bit Timer (ch) x 9, 8-bit Timer (ch) x 6, Watchdog Timer (ch) x 1, 12-bit Interval Timer x 1 ch, Sampling output Timer Detectorx 6ch input,3ch output, external signal samplerx 1ch
  • PWM: PWM Output x 7
  • Analog function: 10-bit A/D Converter (ch) x 3, Delta-Sigma A/D Converter, 8-bit D/A Converter (ch) x 1, 12-bit D/A Converter (ch) x 1
  • On-chip Oscillator Freq. (MHz): High-Speed: 24, 16, 12, 8, 6, 4, 3, 2, 1MHz
    Low-speed: 15kHz
  • Others: RTC, Power-On Reset, Low Voltage Detection

Applications

  • Healthcare
  • Metering

Product Options

Download Toggle Controls Full Screen Reset
Program Memory (KB) RAM (KB) Lead Count (#) Temp. Range PLP Bit Size CPU Data Flash (KB) Supply Voltage (V) Operating Freq (Max) (Mhz) RTC LVD DMA I/O Ports Timer ADC DAC CAN (ch) Ethernet USB Human Machine Interface Temp. Range Buy / Sample
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Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
RL78/H1D Datasheet – Datasheet PDF 1.52 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
CS+ V8.04.00 Integrated Development Environment User's Manual: Project Operation 日本語 Manual PDF 5.50 MB
RTE0T000020KCA10000R User's Manual (20-Pin (1.27-mm Pitch) to 20-Pin (2.54-mm Pitch) Connector Conversion Adapter for the E2 – Manual PDF 647 KB
RL78/H1D ユーザーズマニュアル　ハードウェア編 – Manual PDF 15.67 MB
RL78/H1D User's Manual: Hardware – Manual PDF 15.85 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
Technical Updates
Restriction regarding reading data Flash memory 日本語 Technical Update PDF 213 KB
Application Notes & White Papers
- 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
Renesas Flash Programmer Usage from the Command Line 日本語 Application Note PDF 208 KB
CAN Controller Usage: Applications and Frequently Asked Questions – Application Note PDF 1.81 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
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 SHA Hash Function Library Introduction Guide 日本語 Application Note PDF 165 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 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
Application execution in RAM (RL78) – Application Note PDF 792 KB
IEC60730/60335 Self Test Library for RL78 MCU Application Notes 日本語 Application Note PDF 1.50 MB
RL78 Family CubeSuite+ Startup Guide 日本語 Application Note PDF 1.04 MB
RL78 Minimizing Power Consumption when Sensing Switch Inputs – Application Note PDF 104 KB
RL78 Family Notes and Countermeasures Against Noise 日本語, 简体中文 Application Note PDF 230 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 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+ 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
[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
[Evaluation Software] CS+ for CA,CX V4.04.00(2020.07) (Single Download) 日本語 Evaluation Software ZIP 458.56 MB
License Manager V2.03.01 日本語 Software ZIP 6.64 MB
CS+ Code Generator for RX V1.16.00 日本語 Software EXE 23.77 MB
Renesas Solution Starter Kit Blood Pressure Service Reception App Operation Manual for BPMEK 日本語 Sample Code ZIP 1.84 MB
Renesas Solution Starter Kit PC GUI Tool Operation Manual for BPMEK 日本語 Sample Code ZIP 33.93 MB
Renesas Solution Starter Kit Embedded Software for Blood Pressure Monitoring Evaluation Kit for RL78/H1D 日本語 Sample Code ZIP 4.64 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
- RL78 Family SHA Hash Function Library Introduction Guide 日本語 Sample Code ZIP 1.43 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
USB Driver for Renesas E-Series V1.01.00 日本語 Upgrade - IDE EXE 5.82 MB
- IEC60730/60335 Self Test Library for RL78 MCU Application Notes – 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 ZIP 4.81 MB
Tool News
[Notification] Flash Programmer Survey Invitation 日本語 Tool News - Notification PDF 29 KB
[Notes] CS+ Code Generator for RL78 (CS+ for CC), CS+ Code Generator for RL78 (CS+ for CA, CX), e² studio Code Generator Plug-in, Applilet3 Coding Assistance Tool for RL78, AP4 Coding Assistance Tool for RL78 日本語 Tool News - Note PDF 227 KB
[Notes] e² studio Code Generator Plug-in 日本語 Tool News - Note PDF 262 KB
[Upgrade to revision] Data Flash Library Type04 Package Ver.2.00 for RL78 Family 日本語 Tool News - Release PDF 108 KB
[Upgrade to revision] Flash Self Programming Library Type01 Package Ver.3.00 for RL78 Family 日本語 Tool News - Release PDF 106 KB
Other
CS+ Code Generator for RL78 (CS+ for CC) V2.21.00 日本語 Software & Tools - Others ZIP 42.28 MB
CS+ Code Generator for RL78 (CS+ for CA,CX) V2.21.00 日本語 Software & Tools - Others ZIP 41.42 MB
AP4 for RL78 V1.20.00 日本語 Software & Tools - Others ZIP 32.42 MB
Software for floating license management V2.04.00 日本語 Software & Tools - Others ZIP 31.54 MB
License Manager V2.04.00 日本語 Software & Tools - Others ZIP 6.69 MB
Code Generator for RL78 CS+ Code Generator for RL78 (CS+ for CC/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 Release Note 日本語 Release Note PDF 835 KB
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+ Integrated Development Environment Package V8.04.00 Release Note 日本語 Release Note PDF 956 KB
CS+ for CC V8.04.00 Release Note 日本語 Release Note PDF 256 KB
[Flyer] E2Emulator[RTE0T00020KCE00000R] 日本語, 简体中文 Flyer PDF 381 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
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
Renesas RL78 Family MCU – Brochure PDF 4.62 MB
RL78 - The Ultimate Low Power Microcontroller Platform – Flyer PDF 3.57 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
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
Sound Playback/Compression System [M3S-S2-Tiny] for RL78 Family Sound / Voice Sound playback system for RL78 Family 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
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
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/H1D-Blood-Pressure-Monitoring Blood Pressure Monitoring Evaluation Kit for RL78/H1D Starter