Examples of Design Standardization in Sensing Equipment Using the RX23E-A 32-bit MCU with Built-In High-Precision Delta-Sigma ADC - Blog 1

时间： 2022-12-24 来源：Renesas Blogs

技术问答

These days, design standardization is one of the requests we receive the most. The benefit of it is to reduce not only the component cost but also the maintenance workload in the future. In particular, the industrial sensing equipment, which is the main target of the RX23E-A 32-bit microcontroller (MCU), offers a long product lifecycle and diverse specifications, so we could say that the benefit of standardization is even more significant.

There are generally two directions for standardization. One is using models of the same product. For example, the standardization from high-end models to low-end models. Another one is across the different products. For example, the standardization between a pressure gauge and a thermometer. In this blog, I will introduce the former, an example of standardization within the same product, which the RX23E-A MCU has played to achieve.

In the RX23E-A’s lineup, we have the RX23E-A/2 units with two units of delta-sigma ADC and the RX23E-A/1 unit that has only one unit of delta-sigma ADC. In some cases, design standardization can be achieved by adopting the RX23E-A/2 units or RX23E-A/1 unit appropriately. Let me introduce a few practice examples here, some including my assumption.

Example 1: Load Measurement

The first is an example of load measurements such as weight, force and torque measurement. There are so many diverse models in load measurement applications. The simplest one is a model with one load sensor and one unit of delta-sigma ADC as shown in the left figure below. However, depending on the mechanical structure, the required precision/accuracy, and the measurement cycle, some models must have multiple load sensors and multiple units of delta-sigma ADC as shown in the right figure. For example, in a high-end model for a weight scale, four strain sensors are placed at the four corners of the checker’s platform to improve precision. By adopting the RX23E-A/1 unit or RX23E-A/2 units properly, standardization could be applied in such a wide variety of models like this.

Example 2: Pressure Controller

· The second is an example of a pressure controller application. The mechanism of the pressure controller is described below.

· When the supply valve is ON and the exhaust valve is OFF, the supply pressure is supplied to the output side, increasing the output pressure.

· When the supply valve is OFF and the exhaust valve is ON, the output pressure is decreased.

By repeating the above two operations, the pressure is controlled constantly.

In a general-purpose model, the control system has only one pressure sensor measuring the output pressure as shown in the left figure. On the other hand, in a high-end model, the control system has two pressure sensors, one measuring the output pressure and the other measuring the supply pressure as shown in the right figure. The limitation of the configuration in the left figure is when the supply pressure varies, the variation of the output pressure would be large, and the settle time would be long. In contrast, the configuration on the right could solve the limitation by additionally measuring the supply pressure. Then again, by adopting the RX23E-A/1 unit or /2 units properly, a general-purpose model and a high-end model could be standardized.

Example 3: Temperature Measurement

The third is an example of temperature measurement using thermocouples.

When measuring temperature with thermocouples, it is necessary to measure the reference junction temperature (RJC) in addition to the temperature of the thermocouple itself. For RJC, a PT100 is generally used. Since temperature changes relatively slowly compared to the examples described above, many models use a MUX to switch measurements of the thermocouple and the PT100 for RJC alternatively as shown in the left figure. However, some models implement the measurement of the thermocouple and the RJC simultaneously. In these cases, a low cost digital temperature sensor is used for the RJC. It means the way to measure the RJC varies among models and is desired to mitigate by design standardization.

RX23E-A/2 units allows for measuring the thermocouple and the PT100 for RJC simultaneously as shown in the right figure. By adopting the RX23E-A/1 unit or /2 units properly, a digital temperature is not required, and the parts can be standardized as well.

Finally, I would like to emphasize that the RX23E-A/2 units and RX23E-A/1 unit are pin-compatible, and the development tools can be shared as well. Although this blog focuses on standardization in terms of hardware, software standardization is certainly possible.

In the next blog, we will introduce standardization across the different products.

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本文由翊翊所思转载自Renesas Blogs，原文标题为:Examples of Design Standardization in Sensing Equipment Using the RX23E-A MCU with Built-In High-Precision Delta-Sigma ADC - Blog 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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目录- RL78家族特点通用型MCU LCD MCU ASSP 智能模拟汽车开发环境&开发工具解决方案产品一览表封装

型号- R5F104PFAFA,R5F101PHAFB,R5F104PFAFB,R5F10BAFLSP,R5F101PHAFA,R5F113TJLFB,R5F110MEAFB,R5F10JGCAFB,R5F10AACLSP,R5F10AGCLNA,R5F111MHAFB,R5F10WMGAFA,R5F10WMGAFB,R5F101ACASP,R5F104JHAFA,R5F101JJAFA,R5F104BDANA,R5F101BFANA,R5F10PADLSP,R5F1006EASP,R5F101FDAFP,R5F100LJAFA,R5F100LJAFB,R5F100JGAFA,R5F101LCABG,R5F104CFALA,R5F1018CALA,R5F100BCANA,R5F10Y14ASP,R5F100FLAFP,RL78-S2,R5F100EHANA,R5F11MMDAFB,R5F10PGFLFB,R5F100MKAFB,R5F100MKAFA,R5F100CEALA,R5F10BLELFB,R5F100FAAFP,R5F104AAASP,R5F100SJAFB,RL78/F1X,R5F113GLLFB,R5F10BGFLNA,R5F10WLEAFB,R5F104GCAFB,R5F10KGCANA,R5F10WLEAFA,R5F101GCANA,R5F110PJAFB,R5F11BGEAFB,R5F10369ASP,R5F10BMFLFB,R5F100EGANA,R5F113MKLFB,R5F104LJAFP,R5F100GJANA,R5F10278ANA,R5F100MLAFB,R5F1176AGSP,R5F11FLLANA,R5F100FKAFP,R5F100CFALA,R5F10AGELFB,R5F111NGALA,R5F104LJAFA,R5F104LJAFB,R5F10JBCANA,R5F104LHALA,R5F100MLAFA,R5F101SLAFB,R5F101GFAFB,R5F10ALCLFB,R5F10WLFAFB,R5F104BFAFP,R5F104GDAFB,R5F10WLFAFA,R5F11EF8AFP,R5F10PPHLFB,R5F104GLANA,R5F10BGGLNA,R5F1017AANA,R5F10AADLSP,R5F10RFCAFP,R5F110MFAFB,R5F101LLAFA,R5F104JGAFA,R5F104BCANA,R5F1006DASP,R5F10NLE/G,R5F1008AALA,R5F101FEAFP,R5F110NEALA,R5F100AAASP,R5F104GAANA,R5F10RF8AFP,R5F11EAAASP,R5F100JHAFA,R5F10MPEDFB,R5F100BDANA,R5F104CEALA,R5F104MKAFA,R5F10MPGDFB,R5F104MKAFB,R5F10PGELFB,R5F113GKLNA,R5F11MMEAFB,R5F100GLANA,R5F10367ASP,R5F100MJAFA,R5F100MJAFB,R5F10AGGLFB,R5F117BAGFP,R5F10NPJDFB,R5F100LJABG,R5F100GDAFB,R5F104LLAFB,R5F104LLAFA,R5F104LJALA,R5F100SKAFB,R5F101GDANA,R5F10PPJLFB,R5F101PGAFA,R5F10277ANA,R5F10BAELSP,R5F113TKLFB,R5F101PGAFB,R5F101LEABG,R5F10AGDLNA,R5F100GAANA,R5F10NMJ/G,R5F107AEMSP,RL78/G10,R5F101BEANA,RL78/G11,R5F10PMFLFB,RL78/G12,RL78/G13,RL78/G14,R5F101GGAFB,R5F104BEAFP,R5F104FCAFP,R5F101CGALA,R5F100JFAFA,R5F113TLLFB,R5F101LDABG,R5F10BADLSP,R5F11BLCAFB,RL78/G1A,RL78/G1C,RL78/G1D,RL78/G1E,RL78/G1F,RL78/G1G,RL78/G1H,R5F117GAGFB,R5F10BLFLFB,R5F101AAASP,R5F10PMELFB,R5F101BDANA,R5F10RLAAFB,R5F101FFAFP,R5F10AAELSP,R5F10EGAAFB,R5F100BEANA,R5F101CFALA,R5F104FDAFP,R5F10RLAAFA,R5F10Y16ASP,R5F104CDALA,R5F10368ASP,R5F10PGDLFB,R5F104MLAFB,R5F10BMGLFB,R5F11MMFAFB,R5F100GKANA,R5F104MLAFA,R5F101JKAFA,R5F101LCAFA,R5F11768GSP,R5F101LCAFB,R5F100CGALA,R5F10AGFLFB,R5F111NHALA,R5F101GEANA,R5F110PHAFB,R5F100GCAFB,R5F104LKAFB,RL78/F12,RL78/F13,R5F101SKAFB,R5F11B7CANA,R5F11CBCGNA,RL78/F14,R5F104LKAFA,RL78/F15,R5F100SLAFB,R5F1018DALA,R5F104GEAFB,RL78/G1X,R5F10WLGAFA,R5F10WLGAFB,R5F11BGCAFB,R5F101EHANA,R5F101LFABG,R5F104LHAFP,R5F10FMCAFB,R5F10Y46ASP,R5F11BLEAFB,R5F100LCABG,R5F104BGANA,R5F10AGCLFB,R5F10JGCANA,R5F104JEAFA,R5F110PGAFB,R5F104LHAFB,R5F104LHAFA,R5F100PHAFA,R5F100PHAFB,R5F101GHAFB,R5F104LFALA,R5F10PPFLFB,R5F10268ASP,R5F113TGLFB,R5F10BGCLNA,R5F104FJAFP,R5F100JJAFA,R5F113GLLNA,R5F104MJAFA,R5F100ACASP,R5F104MJAFB,R5F10ABDLNA,R5F102A8ASP,R5F1016EASP,R5F101LEAFB,R5F101LEAFA,R5F101PKAFA,R5F101PKAFB,R5F100FDAFP,R5F111NEALA,R5F10PGFLNA,R5F101FGAFP,R5F100GEAFB,R5F10BGFLFB,R5F101MFAFA,R5F104EFANA,R5F101MFAFB,R5F11MPFAFB,R5F100BFANA,R5F104GKAFB,R5F10E8DALA,R5F10AAALSP,RL78/I1A,RL78/I1B,RL78/I1C,RL78/I1D,R5F101LDAFA,RL78/I1E,R5F104ACASP,R5F101LDAFB,R5F101JLAFA,R5F101GFANA,R5F101EGANA,R5F11MPEAFB,R5F104GLAFB,R5F104GAAFB,R5F104LGAFP,R5F10RBAAFP,R5F10WLCAFA,R5F10WLCAFB,R5F111MEAFB,R5F10PGHLFB,R5F113LLLFB,R5F101BCANA,R5F104LGAFB,R5F107ACMSP,R5F104BFANA,R5F10WMDAFB,R5F11CBCMNA,R5F100FCAFP,R5F104LGAFA,R5F10WMDAFA,R5F100PGAFA,R5F100SHAFB,R5F104LEALA,R5F100PGAFB,R5F10PPELFB,R5F101CEALA,R5F10BGDLNA,R5F113THLFB,RL78/I1X,R5F100ADASP,R5F10ABELNA,R5F10WLDAFB,RL78/L1A,R5F100GDANA,R5F11FLJANA,R5F101LFAFB,RL78/L1C,R5F100FEAFP,R5F100EAANA,R5F101LFAFA,R5F10PGELNA,R5F101FHAFP,R5F10BGGLFB,R5F117BAGNA,R5F101CDALA,R5F11MPGAFB,R5F10RLCAFA,R5F104EGANA,R5F10RLCAFB,R5F10WLDAFA,R5F100BGANA,R5F11EFAAFP,R5F100LKAFA,R5F11EA8ASP,R5F111MGAFB,R5F104GJANA,R5F10AGDLFB,R5F10EGCAFB,R5F10WMFAFA,R5F10WMFAFB,RL78/L1E,R5F10MMEDFB,R5F10BLDLFB,R5F111NFALA,R5F101GGANA,R5F11BCEALA,R5F104LGALA,R5F1007EANA,R5F10267ASP,R5F100LKAFB,R5F110PFAFB,R5F104CGALA,R5F10BMELFB,R5F10PPGLFB,RL78/L1X,R5F101EFANA,R5F10PAELSP,R5F100LLAFB,R5F10AGALNA,R5F10PGGLFB,R5F111MFAFB,R5F100LLAFA,R5F104EHANA,R5F104GKANA,R5F102A9ASP,R5F113LKLFB,RY7011A0000DZ00,R5F10EGDAFB,R5F101PJAFA,R5F101PJAFB,R5F10A6ALSP,R5F10KBCAFP,R5F10WMEAFA,R5F104JFAFA,R5F10BLCLFB,R5F117BCGFP,R5F104BEANA,R5F1006CASP,R5F100GFAFB,R5F101GJAFB,R5F10WMEAFB,R5F100PFAFB,R5F101MGAFB,R5F10BGELNA,R5F100PFAFA,R5F10266ASP,R5F10RLAANB,R5F110PEAFB,R5F1018AALA,R5F101MGAFA,R5F100AEASP,R5F10EGAANA,R5F101LGABG,R5F10E8EALA,R5F10FMDAFB,R5F10Y47ASP,R5F104BGAFP,R5F10279ANA,R5F10BAGLSP,R5F113MLLFB,R5F10PGDLNA,R5F100GCANA,R5F111PJAFB,R5F11FLKANA,R5F11BBEAFP,R5F101JCAFA,R5F1026AASP,R5F10RJAAFA,R5F104FAAFP,R5F10NMJDFB,R5F107DEMSP,R5F110NJALA,R5F100MFAFB,R5F100MFAFA,R5F1037AANA,R5F1007CANA,R5F111PGAFB,R5F10A6CLSP,R5F10PMJLFB,R5F100GHAFB,R5F10BBDLNA,R5F10BGCLFB,R5F104GFANA,R5F100LFABG,R5F104MGAFB,R5F104MGAFA,R5F101GHANA,R5F104ECANA,R5F104LEAFP,R5F101EEANA,R5F10RBCAFP,R5F104AFASP,R5F104PKAFB,R5F101BAANA,R5F100GEANA,R5F104LEAFA,RL78/G1,R5F104LEAFB,R5F104FGAFP,R5F101GKAFB,R5F101JEAFA,R5F11BBCAFP,R5

选型指南 - RENESAS - R01CP0003EJ0401 PDF 中文下载

Renesas RX Becomes World‘s First General-Purpose MCU to Obtain CMVP Level 3 Certification Under NIST FIPS 140-2

Renesas Electronics Corporation announced that its 32-bit RX65N microcontroller (MCU) has achieved Cryptographic Module Validation Program (CMVP) (Note 1) Level 3 certification under the FIPS 140-2 security standard by the National Institute of Standards and Technology (NIST). The RX65N is the world’s first general-purpose MCU to obtain level 3 certification.

厂牌及品类发布时间 : 2021-05-05

32-BIT MCU FAMILY RENESAS RA2E3 GROUP

型号- RA FAMILY,RA2,RA4,R7FA2E3053CNE,R7FA2E3053CNH,RA6,R7FA2E3052DNE,RA8,R7FA2E3073CNE,RA2E3 GROUP,RA2E3,R7FA2E3053CFJ,R7FA2E3053CFL,R7FA2E3052DFJ,R7FA2E3073CNH,R7FA2E3052DFL,R7FA2E3072DNE,R7FA2E3072DNH,R7FA2E3073CFL,R7FA2E3072DFJ,R7FA2E3052DNH,R7FA2E3072DFL,R7FA2E3073CFJ

商品及供应商介绍 - RENESAS - 2023.12 PDF 英文下载

【选型】Renesas（瑞萨电子） RX系列MCU选型指南

目录- RX系列MCU产品的演进 RX700系列MCU RX600系列MCU RX200系列MCU RX100系列MCU RX系列MCU选型

型号- RX71M,RX23T,RX621,RX,RX220,RX63N,RX100,RX700,RX63T,RX62N,RX113,RX630,RX631,RX610,RX130,RXV2,RX230,RX64M,RX231,RX110,RX111,RX210,RX62G,RX21A,RX634,RX62T

选型指南 - RENESAS - 2017年05月01日 PDF 中文下载

RENESAS RA4E1 GROUP 32-BIT MCU FAMILY

型号- RA4E1,RA4 SERIES,R7FA4E10D2CNE,R7FA4E10D2CFM,RA4,R7FA4E10B2CNE,R7FA4E10B2CFM,RA FAMILY,RA4E1 GROUP,RTK7FPA4E1S00001BE

商品及供应商介绍 - RENESAS - 2022.5 PDF 英文下载

【选型】Renesas（瑞萨电子）Synergy™ MCU型号速查手册

目录- SYNERGY™ MCU

型号- R7FS7G27G2A01CLK,R7FS128782A01CLM,YSDKS124S20,R7FS7G27H2A01CLK,R7FS3A37A2A01CLJ,R7FS3A37A2A01CLK,R7FS5D97C3A01CFC,R7FS3A17C3A01CFP,R7FS5D97C3A01CFB,YSTBS3A6E10,R7FS5D97E3A01CFC,R7FS5D97E3A01CFB,R7FS5D97C2A01CLK,S5D9,S5D5,YSAECAP1S11,R7FS3A6782A01CLJ,R7FS3A17C2A01CBJ,R7FS5D97C3A01CFP,R7FS5D97E3A01CFP,S128,R7FS3A17C3A01CNB,R7FS3A77C3A01CNB,S124,YSTBS3A3E10,R7FS7G27G3A01CFP,R7FS7G27G3A01CFC,R7FS7G27G3A01CFB,S7G2,R7FS3A77C3A01CFB,R7FS5D97E2A01CLK,R7FS3A77C2A01CLJ,R7FS124772A01CLM,R7FS3A77C2A01CLK,R7FS3A17C3A01CFM,YSDKS3A7E20J,YSDKS7G2S30,R7FS3A77C3A01CFM,YSSKS7G2E30,YSPEHMI1S20J,R7FS3A17C3A01CFB,R7FS3A77C3A01CFP,YSDKS3A7E20,R7FS7G27H2A01CBD,R7FS5D57C3A01CFP,R7FS7G27H2A01CBG,YSPKS5D9E10,R7FS124773A01CNE,R7FS124773A01CNF,R7FS7G27G2A01CBD,YSTBS5D5E10,R7FS3A6783A01CFL,R7FS5D97C2A01CBG,R7FS7G27G2A01CBG,YSDKS128E10,R7FS124773A01CNB,R7FS3A37A2A01CBJ,R7FS3A6783A01CFP,R7FS3A6783A01CFM,R7FS5D57A3A01CFB,R7FS5D57C3A01CFB,R7FS124763A01CFM,R7FS124763A01CFL,YSPEHMI1S20,R7FS3A17C2A01CLK,R7FS124773A01CFL,R7FS3A17C2A01CLJ,R7FS124773A01CFM,R7FS3A37A3A01CFP,R7FS128783A01CFJ,YSAECLOUD1,R7FS3A77C2A01CBJ,R7FS5D57A2A01CLK,R7FS128783A01CFM,R7FS3A37A3A01CFM,R7FS128783A01CFL,R7FS7G27H3A01CFC,R7FS3A37A3A01CFB,R7FS5D57C2A01CLK,S3A7,R7FS124762A01CLM,R7FS3A37A3A01CNB,R7FS5D97E2A01CBG,S3A6,R7FS128783A01CNG,S3A3,YSDKS7G2S30J,R7FS7G27H3A01CFB,R7FS128783A01CNE,S3A1,R7FS3A6783A01CNB,R7FS5D57A3A01CFP,R7FS3A6783A01CNE,R7FS3A6783A01CNF

选型指南 - RENESAS PDF 英文下载

32-BIT MCU FAMILY RENESAS RA4M2 GROUP

型号- RA4M2 GROUP,RA4 SERIES,R7FA4M2AB3CN,RA4,R7FA4M2AD3CNE,R7FA4M2AC3CFP,RA4M2,R7FA4M2AC3CFL,R7FA4M2AC3CFM,RTK7EKA4M2S00001BE,R7FA4M2AD3CFM,R7FA4M2AD3CFL,R7FA4M2AB3CFP,R7FA4M2AD3CFP,R7FA4M2AB3CFM,R7FA4M2AC3CNE,R7FA4M2AB3CFL

数据手册 - RENESAS - 2021.1 PDF 英文下载

Renesas（瑞萨电子） RA2A1系列32位MCU产品简介

描述- 32-BIT MCU FAMILY RENESAS RA2A1 GROUP

型号- RTK7EKA2A1S00001BU,RA2A1,R7FA2A1AB3CFJ,R7FA2A1AB2CBT,R7FA2A1AB3CNF,R7FA2A1AB3CFM,R7FA2A1AB3CNE,RA2 SERIES,EK-RA2A1

商品及供应商介绍 - RENESAS - 2019年10月 PDF 英文下载

Renesas RA2E1 Group 32-bit MCU User's Manual: Hardware

型号- R7FA2E1A82DLM,R7FA2E1A73CBV,R7FA2E1A53CNH,R7FA2E1A53CNE,R7FA2E1A52DBV,R7FA2E1A73CBU,RA2E1,R7FA2E1A73CFM,R7FA2E1A73CFL,R7FA2E1A73CFK,R7FA2E1A73CFJ,R7FA2E1A52DFL,R7FA2E1A52DFJ,R7FA2E1A92DLM,R7FA2E1A73CNE,R7FA2E1A72DBV,R7FA2E1A72DBU,R7FA2E1A73CNH,R7FA2E1A92DNE,R7FA2E1A53CBV,R7FA2E1A83CLM,R7FA2E1A93CLM,R7FA2E1A72DFK,R7FA2E1A72DFJ,R7FA2E1A72DFM,R7FA2E1A82DNE,R7FA2E1A72DFL,R7FA2E1A53CFL,R7FA2E1A53CFJ,R7FA2E1A72DNH,R7FA2E1A82DFJ,R7FA2E1A82DFL,R7FA2E1A82DFK,R7FA2E1A72DNE,R7FA2E1A82DFM,R7FA2E1A82DNH,R7FA2E1A93CNE,R7FA2E1A92DBV,R7FA2E1A92DBU,R7FA2E1A82DBV,R7FA2E1A82DBU,R7FA2E1A92DNH,R7FA2E1A83CNE,R7FA2E1A83CNH,R7FA2E1A92DFM,R7FA2E1A92DFL,R7FA2E1A92DFK,R7FA2E1A92DFJ,R7FA2E1A52DLM,R7FA2E1A73CLM,R7FA2E1A83CFJ,R7FA2E1A52DNH,R7FA2E1A83CFL,R7FA2E1A83CFK,R7FA2E1A83CFM,R7FA2E1A52DNE,R7FA2E1A93CBV,R7FA2E1A93CBU,R7FA2E1A83CBV,R7FA2E1A83CBU,R7FA2E1A93CNH,R7FA2E1A93CFM,RA2 SERIES,R7FA2E1A93CFL,R7FA2E1A93CFK,R7FA2E1A72DLM,R7FA2E1A53CLM,R7FA2E1A93CFJ

用户指南 - RENESAS - Rev.1.00 - Sep 2020 PDF 英文下载