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

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
RL78/H1D Datasheet Datasheet PDF 1.52 MB
User Guides & Manuals
RL78/H1D User's Manual: Hardware 日本語 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
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 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
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
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
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
- 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
- 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 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
- 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 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 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 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
[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
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+ 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
- 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
- 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
从78K0转至RL78的迁移指南(CcnvCA78K0) - Sample Code Sample Code ZIP 2.32 MB
CS+ Code Generator for RX V1.16.00 日本語 Upgrade - IDE 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
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
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
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
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 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 Family RL78 Internal Temperature Sensor Calibration - Sample Code Sample Code ZIP 310 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 CA78K0R for RL78 Family and 78K0R, C Compiler CC78K0R for 78K0R 日本語 Tool News - Note PDF 165 KB
[Notes] C Compiler Package for RL78 Family (CCRL#027) 日本語 Tool News - Note PDF 177 KB
[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
[Upgrade to revision] CS+ Device Information for RL78 V8.02.01 日本語 Tool News - Release PDF 130 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
[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
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 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 - The Ultimate Low Power Microcontroller Platform Flyer PDF 3.57 MB

Software & 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
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
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) [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/H1D-Blood-Pressure-Monitoring Blood Pressure Monitoring Evaluation Kit for RL78/H1D Starter Renesas