Start Developing with RL78 - Essential for Microcomputer Beginners! (Part 1)

时间： 2023-05-17 来源：RENESAS Blogs

技术问答

Are you a beginner looking to develop with the RL78 MCU family? This blog post introduces you to the RL78 development environment. To get started, follow the two-step process to create a low-cost and easy-to-use development environment. As a fellow beginner, I recommend this procedure for those who are new to development.

Step 1. Get an evaluation board!

For first-time development, I recommend a low-cost (~20) evaluation board called the Fast Prototyping Board. With this board, you can easily write and debug your program by simply connecting your own USB cable (micro-B). Through-holes and Arduino connectors are also provided on this evaluation board. I've used it myself and was able to add components and perform evaluations with ease!

Step 2. Install the development tools!

To start development, you need to install an Integrated Development Environment (IDE) and a compiler. Here's a brief introduction to these tools:

Integrated Development Environment (IDE)

RENESAS offers free use of Eclipse-based e² studio or Renesas' original CS+ as an integrated development environment (IDE). Choose the one you prefer by visiting the product pages below.

Compiler (CC-RL) *Free of charge (link size/optimization restrictions apply)

After installation, all functions can be used for 60 days. After 61 days, depending on the CC-RL version, the link size will be limited to 64KB or the optimization level will be changed to "-Onothing (debug-oriented)" and "-Olite (partially optimized)" only. These restrictions will be removed when you purchase a license. It's worth noting that the free evaluation version of CC-RL was previously limited to device and development environment evaluation and non-commercial use, but from this year, all versions of CC-RL can be used for any purpose, including commercial use such as the development and production of customer products.

It's great to know that the development tools are free to use. Now, let's install the software.

You can install the software even if you don't have the board yet. Install it in advance so that you can start development as soon as the board arrives! Please register to log in to My Renesas for software installation.

Install e² studio, CS+, and CC-RLSelect the "How to Prepare Tools" tab, as shown in the image, to view a video on how to install each tool. You can also install each tool from the bottom of the image.

Once you have finished installing the development tools, it's time to start development!

Let's make LEDs glow!

This time, we will use the RL78/G23 sample code (Timer Array Unit (PWM output)) available on the Renesas website to light up the LEDs mounted on the board.

First, download the sample code to be used in this project.

Next, import the sample code into CS+ or e² studio. If you are using CS+, click "r01an5874-rl78g23_tau.mtpj" in the file downloaded in Step 1. CS+ will start up with the sample code reflected. If you are using e² studio, please refer to p27 "Importing existing Project into Workspace" in the e² Studio Integrated Development Environment User's Manual: Getting Start Guide to proceed.

The LED is ready to shine! Let's make the LEDs glow. This sample code is a program to change the brightness of LED1 and invert (blink) the output of LED2 in 500ms cycles as shown in the figure below.

After confirming the behavior shown in the above figure, let's modify the program to change the behavior! The period of 500ms can be changed by modifying the number 250 in line 73 of "Config_TAU0_0_user.c". For example, changing the number to 125 would result in a cycle of 250 ms.

Did you successfully change the behavior? In addition to the sample code introduced here, Renesas provides many other sample codes to support customers' development. If you find a sample code that interests you, please download it and try to run it in the same way as this time.

Finally, here are some useful pages for development:

Getting started with RL78 Development Environment
This page introduces tools necessary for development and recommended kit products for those who use the RL78 family development environment for the first time. If you are stumped in setting up your environment, please refer to this page.

RL78 Family Software & Tool Course
This page introduces the basic functions of the Renesas development environment and solution development support functions in an easy-to-understand video for those starting development using the RL78 family. If you don't know how to use CS+ or e² studio, please look at this page.

Renesas Engineering Community
This is a page where users can freely talk with each other about Renesas products. If you have any problems in development, feel free to post them!

Thank you for reading until the end! Let's meet again in the second session.

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本文由walkonair转载自RENESAS Blogs，原文标题为:Start developing with RL78 - Essential for microcomputer beginners! (Part 1)，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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

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型号- NP82N055NUG,SUPERH,NP80N04NUG,ΜPD166033T1U,NP60N04VUK,NP45N06PUK,NP75N04YUK,RSF10BGC,RSF10BGD,NP75N04YUG,NP35N04YUG,RSF10BGE,RSF10BGF,R5S726A2P216FP,R5S726B0P216FP,R5F10DMJXFB,NP80N055NDG,R5S72670W144FP,R5F 10DLDXFB,R8C/3X,R5S72691W266FP,NP82N055MUG,RSF1OBME,R5F109LD,R5F109LC,R5F109LB,R5F109LA,RL78/,NP36P04SDG,R5F109LE,NP82N04MLG,NP82N06PLG,R5F72531DKFPU,NP52N06SLG,V850E2M,SH-2A,R5F72A06K3BFFM,NP160N055TUK,NP82N03PUG,R5S72680W266FP,NP82N055PUG,NP16N04YUG,NP100N04PDG,R5F72A06K2BFFM,NP40N10PDF,RL78/F13-CAN,NP160N04TDG,NP50P04SDG,RH850/P1M,NP55N04SUG,R5S726B1D216FP,V850,R5F10DPEXFB,NP82N04NLG,NP84N055NHE,R5S72690P266BG,NP80N055PDG,ΜPD166031AT1U,RSF10BLD,RSF10BLE,RSF10BLC,NP60N055NUK,RSF10BLF,RSF10BLG,R5F10DPEXFB,NP90N055NUK,R5F10BAG,NP20N10YDF,R5F10BAF,R5F10BAE,R5F10BAD,R5F10BAC,NP89N04PUK,R5F72A06K3CFFM,R5F72A28KADFFP,NP20P06YLG,RSF10BMF,R5F71476AK64FPV,RSF10BMG,R5F10BBG,R5F10BBF,R5F10BBE,R5F10BBD,R5F10BBC,NP75P04YLG,ΜPD166034T1U,RL78/F12,NP55N03SUG,NP60N03SUG,RL78/F13,RL78/F14,RL78/F15,R5S72680P266FP,R5F10AAA,R5F71424A K64FPV,R7F701271EAFP,R5F10DPFXFB,R5F72543RKBGV,R5F10AAE,R5F10AAD,NP35N04YLG,R5F10AAC,NP90N04VUG,R7F701534,R5S72690W266BG,R7F701531,R7F701530,ΜPD166026,ΜPD166025,ΜPD166024,R7F701528,ΜPD166023,R7F701529,R5F72544RKBGV,R7F701526,ΜPD166029,R7F701527,R5S72691P266BG,NP15P06SLG,ΜPD166028,ΜPD166027,R5F10ABA,R5F71476BD80FPV,NP90N04VUK,R5F10CMDXFB,ΜPD166035GR,R5F10ABE,R5F10ABD,QB-R5F109GE-TB,R5F10ABC,R7F701544,NP88N04NUG,R7F701545,R7F701542,R7F701543,R5S726A2D216FP,NP84N055NLE,NP89N055MUK,R5S726B0D216FP,R5F10DGDXFB,R5S72690P266FP,R5F72A26K2DFFP,R5F10TPJXFB,R5F10CMDXFB,R5S726A3D216FP,NP40N10YDF,NP89N04NUK,R7F701506,R7F701507,R5F10PAE,R5F10PAD,R7F701502,R7F701623,R5F10DGDXFB,R5F10CMEXFB,SH2A-FPU,NP109N055PUK,NP84N055MHE,RSF10BAE,RSF10BAF,RSF10BAC,RSF10BAD,R5F72AW2KFP,RSF10BAG,NP82N04MDG,NP82N06PDG,NP89N055NUK,R5F72A28KACFFP,R5F10PBE,NP88N055KUG,R5F10PBD,R5F10BGF,NP60N055MUK,R5F10BGE,R5F71424BJ80FPV,R5S72681W266FP,R5F10BGD,R5F10BGC,NP80N04PDG,RSF10BBC,NP90N06VLG,RH850/F1K-2M,RSF10BBF,RSF10BBG,RSF10BBE,R5F10BGG,R7F701610,R7F701611,NP系列,R5S726A1P216FP,78K,NP75N055YUK,NP89N04MUK,R5S72690W266FP,NP89N055PUK,NP55N055SDG,R5F10CLDXFB,NP20P04SLG,R5S72691P266FP,R5F113GL,R5F113GK,R7F701603,R5S726A1D216FP,R7F701602,NP110N04PDG,R5F10968,R5F1096E,R5F1096D,R5F1096C,R5F1096B,R5F1096A,NP82N04NDG,R7F701621,R7F701501,R7F701622,R7F701620,R5F10CLDXFB,R5F72533KFPU,R5S72691P266FP R5S72690W266BG,R5S72691W266BG,R7F701612,R7F701613,R5F10AGG,R5F10CMEXFB,QB-R5F10BMG-TB,R5F10AGF,R5F10AGE,R5F10AGD,R5F10AGC,NP52N055SUG,R5F10AGA,RL78/F13-LIN,NP60N055KUG,R5F72546RKBGV,R5F72AW3KFP,R5F10DMJXFB,R5F10DGCXFB,NP70N10KUF,R5F10TPJXFB,NP100N04MDH,NP50P06KDG,QB-R5F10PPJ-TB,NP75N04VUK,ΜPD166037T1J,ΜPD166036GR,R5F71426BD80FPV,NP15P04SLG,R5S726A0P216FP,C1X,NP84N055MLE,NP100P04PDG,NP80N055MDG,R5S726A0D216FP,NP88N04KUG,R5F10DGCXFB,SH72AX,NP80N04NDG,NP60N04VDK,RH850/F1H,R5F10DMDXFB,NP40N10VDF,RH850/F1L,R5F10PGH,R7F701016,R5F71426AK64FPV,R5F10PGG,R7F701017,NP60N04NUK,R5F10PGF,R7F701014,R5F10PGE,R7F701015,NP100P06PDG,R5F10PGD,R7F701012,R7F701013,R7F701010,R7F701011,R5F10BLC,NP34N055SLE,R7F701009,R5F10PGJ,R7F701007,R7F701008,RH850/F1M,R5F10CGCXFB,R5F10BLG,R5F10BLF,R5F10BLE,R5F10BLD,R7F701020,R5F113LK,NP110N03PUG,R7F701028,R7F701025,R7F701023,R7F701024,NP82N04PDG,R7F701021,R7F701022,NP90N04VLG,RH850/F1X,NP90N04VLK,R7F701018,R5F113LL,R7F701019,R5F10BMG,R5F10BMF,NP33N06YDG,NP80N04MDG,R5F10BME,ΜPD166038T1J,R5F71474AK64FPV,RX,R5F113ML,RSF10B8D,R5F113MK,R7F701597,NP50P03YDG,NP90N06VDK,QB-V850E2-EE,R5F10ALD,R5F10ALC,R5F72A26K3CFFP,NP20P06SLG,R5F72AY2KFP,SH,R5F10ALG,R5S726A3P216FP,R5F10ALF,R5S72671P144FP,NP83P04PDG,R5F10ALE,R7F701006,R7F701003,R5F10DMDXFB,NP84N055KLE,R7F701002,NP88N055KLE,NP36P04KDG,R5F10AME,NP80N04NHE,NP80N04PLG,NP100N04PUK,RH850,R5F10CGCXFB,NP55N055SUG,R5F10DPJXFB,R5F10AMG,R5F10AMF,NP160N04TUG,R7F701577,NP100N04PUG,R7F701573,R5S726B1P216FP,R5S72681P266FP,R7F701572,NP90N03VLG,HS0005KCU02H,RSF108GG,R5F10CGBXFB,NP80N03NLE,R7F701568,R7F701569,R5F10DGEXFB,NP45N06VUK,R5F71474BJ80FPV,NP50P04KDG,R5F10DPJXFB,R5F72531KFPU,R5F10PLE,R5F113PG,R7F701580,R7F701581,R7F701586,R5F10PLJ,R5F113PL,R7F701587,NP36P06KDG,R5F113PK,R5F10PLH,R5F113PJ,R5F10PLG,R7F701582,R5F10PLF,R5F113PH,R7F701583,NP60N055VUK,NP80N04MHE,R5F10CGBXFB,R5F72A26K3DFFP,P1X,HS0005KCU01H,R5F10DGEXFB,RL78,RH850/CIM,R5F10PMF,NP109N04PUK,R5F10PME,NP90N04MUK,NP109N04PUG,NP74N04YUG,R7F701313,NP60N04MUK,R7F701314,R7F701553,R7F701311,NP180N055TUK,R7F701312,R5F10PMJ,NP60N04MUG,R7F701552,R7F701310,NP90N04MUG,R5F10PMH,R5F10PMG,R7F701548,R7F701549,R7F701546,R5S72671W144FP,R7F701304,NP89N04PDK,R7F701547,R7F701305,NP90N055VUK,MCU-SUPERH,NP50N04YUK,R8C,R7F701566,R7F701567,R7F701564,R7F701322,R7F701565,R7F701323,NP60N03KUG,NP88N055MLE,R7F701562,R7F701320,R7F701563,R7F701321,RH850P,R7F701560,R7F701561,R5F109AA,R7F701319,R5F72AY3KFP,R7F701318,NP80N04NLG,R7F701557,R5F72A08KACFFM,R7F701315,RH850C,NP100P04PLG,R5F109AE,NP160N04TUK,R5F109AD,R5F109AC,R5F109AB,SH7147,SH7268,R5F10DMGXFB,NP90N055MUK,SH7269,SH7266,NP90N04NUK

选型指南 - RENESAS PDF 中文下载

RL78/F25, F22 RENESAS Next Gen. Actuator MCU

型号- RL78 FAMILY,RL78/F22,RL78/F23,RL78/F24,RL78/F25,RL78

技术文档 - RENESAS - Rev.1.5 - 2023/6/25 PDF 英文下载

RL78/G22 GROUP MCU NPI OVERVIEW

型号- RL78/G22,RL78/G22 GROUP,RL78

商品及供应商介绍 - RENESAS - JANUARY 2023 PDF 英文下载

【经验】瑞萨RL78 MCU通过E2-LITE调试时可以烧录，无法进入仿真，怎么回事？

最近笔者遇到一个问题，有用户在使用瑞萨电子RL78系列MCU通过E2-LITE进行调试时，按照推荐电路连接后，可以正常使用Renesas Flash Programmer（以下简称RFP）进行编程，但却不能正常进入CS+的调试，本文提供分析及解决办法。

设计经验发布时间 : 2021-03-07

【经验】MCU进入休眠模式后，静态电流不满足低功耗指标的问题解析

工程师在设计产品时，实现功能很简单，但要集成系统应用保持稳定工作并保证低功耗指标，就不是一件很容易的事情了，明明MCU的电气参数电流指标为微安级别，但设计完系统进入休眠模式后，静态电流却是毫安级别，甚至于大几十毫安，高出了标准的几十上百倍。本文以Renesas瑞萨电子RL78或RH850为例，介绍分析静态电流不满足低功耗指标的步骤，找出可能导致静态电流高的原因。

设计经验发布时间 : 2020-10-22

【IC】瑞萨全新16位RL78/G24 MCU，CPU工作频率达48MHz，为电机控制和电源控制系统提供卓越性能

RENESAS推出全新16位RL78/G24 MCU，为电机控制和电源控制系统提供卓越性能。新产品结合专用加速器和高速48MHz CPU，实现RL78产品家族中最佳性能。

产品发布时间 : 2023-10-17

瑞萨三大类MCU：16位RL78内核的MCU产品系列、32位RX MCU系列以及Synergy平台

近日，瑞萨开始了新一轮的产品巡回研讨会，首站厦门，随后在南京和西安三地巡回举办，在研讨会上瑞萨全系列的产品和最新解决方案被一一呈现。通过这次研讨会，记者发现这家一直坚持自有内核的MCU厂商今年主推的MCU应用方向------电机控制。瑞萨在MCU方面主要有三大类产品，分别是：16位RL78内核的MCU产品系列、32位RX MCU系列以及Synergy平台。

原厂动态发布时间 : 2019-09-03