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Renesas RX23E-A MCU is a Digital Signal Processing (DSP)/Floating Point Unit (FPU) compatible 32-bit microcomputer with a built-in high-precision AFE that enables precise measurement of less than 0.1% without correction. RX23E-A is also a single chip solution that could achieve maximum effective resolution (up to 23-bit) of the 24-bit delta-sigma A/D converter without any external analog components.
Using the evaluation board (RSSK RX23E-A) equipped with RX23E-A and peripheral circuits for sensor measurement, and software that can be downloaded from the web, you can start analog characteristic evaluation immediately after purchasing the kit. By using this kit, it is possible to shorten the development period and bring it to market quickly.
About RX23E-A MCUs
RX23E-A is a group from the RX MCU family with integrated high-precision analog front-end. Thanks to low noise and low drift of analog front-end features, the high-precision sensor measurement can be achieved with computation performance, system control, and communication in one chip. Refer to the RX23E-A product page for more detail.
RSSK Configuration and Evaluation Circuit
The kit consists of an evaluation board with the RX23E-A and peripheral circuits for sensor measurement, a K-type thermocouple, and is provided with the GUI and sample programs. These ready-to-use tools enable users to start evaluation of the A/D converter without hardware modification or software development.
The kit can be utilized to evaluate the measurements of thermocouples, RTD, and strain gauges, which are typical sensors in industrial equipment. Our evaluation of K-type thermocouples using the RSSK shows that the measured temperature error is within ±0.6°C under environments between -40°C and 85°C and the effective resolution is 19.4 bit, which means temperature deviation is equivalent to 0.0015°C at rms value. The measured temperature error, which is within the sensor error, validates the evaluation board as a reference design.
Refer to application notes for more details of each sensor measurement evaluation.
• Equipped with RX23E-A with written evaluation software
• Equipped with peripheral circuits required for sensor measurement
• Reference junction compensation circuit required for thermocouple measurement
• Compatible with 2-wire/3-wire/4-wire resistance temperature detectors
• Supports bridge sensor measurement such as strain gauges
• Easy evaluation with a GUI-based PC tool program
• AFE parameters can be changed
• AD conversion result display function (time waveform, histogram)
• Digital filter frequency characteristic display
• K-type thermocouple included
• Providing sample programs for thermocouple measurement, resistance temperature detector measurement, and strain gauge measurement (GUI and sample programs are downloaded from the web)
• E1, E2, E2-Lite emulator can be directly connected (*E1, E2 and E2-Lite emulators are sold separately)
• Software development is possible only by USB power supply.
• A plug-in terminal block for analog input and a miniature size dedicated thermocouple connector.
• RS485, CAN driver IC installed
Documentation
Sample Code
Manufacturer’s Page
Software Downloads - Board Description File (.zip)
PC Tool
User Manual
RX23E-A MCUs
Quick Start Guide
Application Note
• RS23E-A Evaluation Board
• K-type Thermocouple XE-3505-001
• There are no other variants of this board.
• But there are variants of the microcontroller which are listed on this document.
Begin enrollment: | May 10, 2023 |
End enrollment: | June 10, 2023 |
Select roadtesters: | June 11, 2023 |
Ship unit: | June 20, 2023 |
Begin Roadtesting: | June 27, 2023 |
Element14 follow up: | July 27, 2023 |
Post Reviews by: | August 27, 2023 |
Top Comments
In fact the theory behind its operation is quite a simple if you dive into it and read some app notes. Generaly it is used for measuring resistances extremely precisely. It use different techniques than…