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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

starFeatured Documents

descriptionDocumentation

Title language Type Format File Size Date
Datasheets & Errata
star RL78/H1D Datasheet Rev.1.00 Datasheet PDF 1.52 MB
User Guides & Manuals
star RL78/H1D User's Manual: Hardware Rev.1.00 日本語 Manual - Hardware 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 EEPROM Emulation Library Pack01 Japanese Release user's manual Rev.1.03 日本語 Manual - Development Tools PDF 2.16 MB
RL78 family User's Manual: Software Rev.2.20 日本語 Manual - Hardware PDF 1.45 MB
Technical Updates
Restriction regarding reading data Flash memory 日本語 Technical Update PDF 213 KB
Application Notes & White Papers
RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide Rev.2.00 日本語 Application Note PDF 304 KB
- RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.54 MB
RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide Rev.2.00 日本語 Application Note PDF 605 KB
- RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.28 MB
RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software Rev.1.03 日本語 Application Note PDF 934 KB
- RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software - Sample Code 日本語 Sample Code ZIP 2.21 MB
RL78 Family M3S-S2-Tiny: Introduction Guide Rev.2.00 日本語 Application Note PDF 231 KB
- RL78 Family M3S-S2-Tiny: Introduction Guide Rev.2.00 - Sample Code 日本語 Sample Code ZIP 1.35 MB
RL78 Family FFT Library: Deployment Guide Rev.1.04 日本語 Application Note PDF 244 KB
- RL78 Family FFT Library: Deployment Guide Rev.1.04 - Sample Code 日本語 Sample Code ZIP 2.22 MB
7-Segment LED Lighting Control (Arduino API) Rev.1.00 日本語 Application Note PDF 951 KB
- 7-Segment LED Lighting Control (Arduino API) Rev.1.00 - Sample Code 日本語 Sample Code ZIP 1.93 MB
Arduino API Introduction Guide Rev.1.00 日本語 Application Note PDF 1.65 MB
IEC60730/60335 Self Test Library of CARL78 for RL78 MCU extended Application Notes (R01AN4823EJ0110) Rev.1.10 日本語 Application Note PDF 2.36 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 Rev.1.10 - Sample Code Sample Code ZIP 5.38 MB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU extended Application Notes (R01AN4819EJ0110) Rev.1.10 日本語 Application Note PDF 2.09 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 Rev.1.10 - Sample Code Sample Code ZIP 17.15 MB
CAN Controller Usage: Applications and Frequently Asked Questions Rev.2.03 Application Note PDF 1.81 MB
Random Number Generator Rev.1.02 Application Note PDF 560 KB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes Rev.2.10 日本語 Application Note PDF 3.59 MB
- IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes Rev.2.10 - Sample Code 日本語 Sample Code ZIP 3.52 MB
RL78 Software Migration Guide Source Code Migration from Assembly Language to C Language CC-RL Rev.1.01 日本語, 简体中文 Application Note PDF 1.64 MB
Current Consumption Tuning Solution for RL78 family (E2 Emulator, e² studio) Rev.1.00 日本語 Application Note PDF 2.07 MB
Current Consumption Tuning Solution for RL78 family (E2 Emulator,CS+) Rev.1.00 日本語 Application Note PDF 1.91 MB
IAR Embedded Workbench for RL78 Programming Techniques Rev.1.00 Application Note PDF 701 KB
RL78 Family C compiler CC-RL Programming Techniques Rev.1.10 日本語 Application Note PDF 1.21 MB
Replacement Guide for R8C Family to RL78 Family (CcnvNC30) Rev.1.00 日本語, 简体中文 Application Note PDF 987 KB
- Replacement Guide for R8C Family to RL78 Family (CcnvNC30) Rev.1.00 - 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) Rev.1.00 - Sample Code Sample Code ZIP 2.86 MB
- 从R8C转至RL78的迁移指南(CcnvNC30) Rev.1.00 - Sample Code Sample Code ZIP 1.39 MB
Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) Rev.1.00 日本語, 简体中文 Application Note PDF 1.47 MB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) Rev.1.00 - Sample Code 日本語 Sample Code ZIP 2.08 MB
- 从78K0转至RL78的迁移指南(CcnvCA78K0) Rev.1.00 - Sample Code Sample Code ZIP 2.32 MB
RL78 Software Migration Guide Migrating from CA78K0R to CC-RL (CS+) Rev.1.00 日本語, 简体中文 Application Note PDF 3.19 MB
Application execution in RAM (RL78) Rev.1.00 Application Note PDF 792 KB
IEC60730/60335 Self Test Library for RL78 MCU Application Notes Rev.1.10 日本語 Application Note PDF 1.50 MB
- IEC60730/60335 Self Test Library for RL78 MCU Application Notes Rev.1.10 - 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 Rev.1.30 - Sample Code Sample Code ZIP 4.81 MB
RL78 Family CubeSuite+ Startup Guide Rev.1.00 日本語 Application Note PDF 1.04 MB
RL78 Minimizing Power Consumption when Sensing Switch Inputs Rev.1.00 Application Note PDF 104 KB
RL78 Family Notes and Countermeasures Against Noise Rev.1.00 日本語, 简体中文 Application Note PDF 230 KB
RL78 Bootloader - One Image (R11AN0470EU0100) Rev.1.00 Application Note PDF 690 KB
- RL78 Bootloader - One Image (D6004601) Rev.1.00 - Sample Code Sample Code ZIP 22.37 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 ( 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
Other
RL78 Family Microcontrollers Brochure 日本語 Flyer PDF 4.89 MB
Customer Notification - Embedded Workbench® for RL78 V2.xx/V3.xx/ V4.xx ( r20ut3407ed0134 ) Other PDF 753 KB
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
[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 General Reliability Literature 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
RL78 - The Ultimate Low Power Microcontroller Platform Flyer PDF 3.57 MB

file_downloadDownloads

Title language Type Format File Size Date
Software
RL78 Family C Compiler Package V1 (without IDE) V1.10.00 日本語 Software & Tools - Evaluation Software ZIP 19.65 MB
[Evaluation Software] CS+ for CA,CX V4.05.00 (Single Download) 日本語 Software & Tools - Evaluation Software ZIP 483.78 MB
[Evaluation Software] CS+ for CC V8.05.00 (Single Download) 日本語 Software & Tools - Evaluation Software ZIP 719.07 MB
Upgrades
AP4 for RL78 V1.20.00 日本語 Upgrade - IDE ZIP 32.42 MB
CS+ Code Generator for RL78 (CS+ for CA,CX) V2.21.00 日本語 Upgrade - IDE ZIP 41.42 MB
CS+ Code Generator for RL78 (CS+ for CC) V2.21.00 日本語 Upgrade - IDE ZIP 42.28 MB
CS+ for CA,CX common program V4.05.00 日本語 Upgrade - IDE ZIP 196.94 MB
CS+ for CC common program V8.05.00 日本語 Upgrade - IDE ZIP 243.98 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
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 Compiler CC-RL V1.10.00 日本語 Upgrade - Compiler ZIP 16.61 MB
CS+ Code Generator for RX V1.16.00 日本語 Upgrade - IDE ZIP 23.23 MB
CS+ Partner OS Aware Debugging Plug-in V3.01.00 日本語 Upgrade - OS ZIP 2.47 MB
USB Driver for Renesas E-Series V1.01.00 日本語 Upgrade - IDE ZIP 5.07 MB
CubeSuite+ Partner OS Aware Debugging Plug-in V2.01.00 日本語 Upgrade - OS ZIP 2.54 MB
Sample Code
RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.54 MB
- RL78 Family Open Source FAT File System M3S-TFAT-Tiny: Introduction Guide Rev.2.00 日本語 Application Note PDF 304 KB
RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide - Sample Code 日本語 Sample Code ZIP 1.28 MB
- RL78 Family SPI mode MultiMediaCard Driver: Introduction Guide Rev.2.00 日本語 Application Note PDF 605 KB
RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software - Sample Code 日本語 Sample Code ZIP 2.21 MB
- RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software Rev.1.03 日本語 Application Note PDF 934 KB
RL78 Family M3S-S2-Tiny: Introduction Guide Rev.2.00 - Sample Code 日本語 Sample Code ZIP 1.35 MB
- RL78 Family M3S-S2-Tiny: Introduction Guide Rev.2.00 日本語 Application Note PDF 231 KB
RL78 Family FFT Library: Deployment Guide Rev.1.04 - Sample Code 日本語 Sample Code ZIP 2.22 MB
- RL78 Family FFT Library: Deployment Guide Rev.1.04 日本語 Application Note PDF 244 KB
7-Segment LED Lighting Control (Arduino API) Rev.1.00 - Sample Code 日本語 Sample Code ZIP 1.93 MB
- 7-Segment LED Lighting Control (Arduino API) Rev.1.00 日本語 Application Note PDF 951 KB
从78K0转至RL78的迁移指南(CcnvCA78K0) Rev.1.00 - Sample Code Sample Code ZIP 2.32 MB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) Rev.1.00 日本語, 简体中文 Application Note PDF 1.47 MB
Renesas Solution Starter Kit Blood Pressure Service Reception App Operation Manual for BPMEK Rev.1.00 - Sample Code 日本語 Sample Code ZIP 1.84 MB
Renesas Solution Starter Kit Embedded Software for Blood Pressure Monitoring Evaluation Kit for RL78/H1D Rev.1.10 - Sample Code 日本語 Sample Code ZIP 4.64 MB
Renesas Solution Starter Kit PC GUI Tool Operation Manual for BPMEK Rev.1.00 - Sample Code 日本語 Sample Code ZIP 33.93 MB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes Rev.2.10 - Sample Code 日本語 Sample Code ZIP 3.52 MB
- IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes Rev.2.10 日本語 Application Note PDF 3.59 MB
Replacement Guide for R8C Family to RL78 Family (CcnvNC30) Rev.1.00 - Sample Code Sample Code ZIP 1.42 MB
- Replacement Guide for R8C Family to RL78 Family (CcnvNC30) Rev.1.00 日本語, 简体中文 Application Note PDF 987 KB
Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) Rev.1.00 - Sample Code 日本語 Sample Code ZIP 2.08 MB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) Rev.1.00 日本語, 简体中文 Application Note PDF 1.47 MB
IEC60730/60335 Self Test Library for RL78 MCU Application Notes Rev.1.10 - Sample Code Sample Code ZIP 2.88 MB
- IEC60730/60335 Self Test Library for RL78 MCU Application Notes Rev.1.10 日本語 Application Note PDF 1.50 MB
RL78 Family RL78 Internal Temperature Sensor Calibration Rev.1.00 - Sample Code Sample Code ZIP 310 KB
- RL78 Family RL78 Internal Temperature Sensor Calibration Rev.1.00 Application Note PDF 197 KB
RL78 Bootloader - One Image (D6004601) Rev.1.00 - Sample Code Sample Code ZIP 22.37 MB
- RL78 Bootloader - One Image (R11AN0470EU0100) Rev.1.00 Application Note PDF 690 KB

select_allSoftware & Tool Pages

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
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 Lite [RTE0T0002LKCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX] 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
FAT File System [M3S-TFAT-Tiny] for the RL78 Family File System FAT file system for RL78 Family 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).
[Support MCU/MPU: RA, RE, RX, RL78, RH850, Renesas Synergy, RZ]
(Note: You need to install compiler separately as an additional software)
(Note: No separate e² studio installation required for RA FSP, this will be installed as part of the FSP with e² studio installer (Platform Installer) on GitHub.)
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
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
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
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
Sound Playback/Compression System [M3S-S2-Tiny] for RL78 Family Sound / Voice Sound playback system for RL78 Family Renesas

memoryBoards & Kits

Part Number Title Type Company
RL78/H1D-Blood-Pressure-Monitoring Blood Pressure Monitoring Evaluation Kit for RL78/H1D Starter Renesas