Overview
Description
Topics
- Optimization on adjustment program write operation
- Improved waveform diagram during monitoring
The notes in the following tool news have been fixed.
[Notes] e² studio 2025-07 not compatible with Reality AI Utilities, AI Navigator, QE for Capacitive Touch, QE for AFE and other QE products (PDF | English, 日本語)
QE for AFE is a development assistance tool that supports the development of embedded systems that handle high-precision sensing by using MCUs that include an analog front end (AFE).
This product is available free of charge.
Features
- GUI configuration of the AFE-related registers
- Functionality to display the AD conversion result (time waveform and histogram)
- Functionality to display frequency characteristics for digital filters
- The tool is available in both a stand-alone version and as an e² studio plug-in
- The stand-alone tool and e² studio plug-in can be used to share the results of tuning analog circuits through register-setting files
- The stand-alone tool is capable of tuning analog circuits and acquiring the results of tuning
We recommend this version of the tool for hardware engineers. - The e² studio plug-in is capable of tuning analog circuits and generating source code that reflects the results of tuning
We recommend the plug-in for software engineers. - Learn More
Release Information
| Product Name | Latest Ver. | Released | Target Device | Details | Download | Operating Environment |
|---|---|---|---|---|---|---|
| QE for AFE | V2.4.0 | Sep 01, 2025 | RA Family RX Family | See Release Note | Download | Operating Environment |
Note: For detailed support devices, refer to "Target Devices".
Target Devices
Downloads
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| Type | Title | Date |
| Software & Tools - Software | QE for AFE V2.4.0: A Dedicated Tool for Analog Front End
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1 item
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Documentation
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| Type | Title | Date |
| Release Note | PDF 1.34 MB 日本語 | |
| Flyer | PDF 752 KB 日本語 , 简体中文 | |
| Tool News - Release | PDF 533 KB 日本語 | |
| Tool News - Note | PDF 153 KB 日本語 | |
| Tool News - Release | PDF 318 KB 日本語 | |
| Application Note |
PDF
1.49 MB
日本語
AI-generated Summary:
The control program operates on the RA2A1 microcontroller on the EK-RA2A1 evaluation board, enabling communication with the QE for AFE development tool. It supports configuring registers and acquiring data from multiple analog peripherals including 24-bit Sigma-Delta and 16-bit A/D converters, high-speed and low-power analog comparators, 12-bit and 8-bit D/A converters, and operational amplifiers. Communication interfaces include SCI UART and USB PCDC, with high-speed USB-UART adapters supporting continuous high-speed sampling. The document details connection methods, firmware files, project configurations, and operational conditions for continuous and one-shot measurements, providing comprehensive guidance for evaluation and development using the RA2A1 group.
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| Application Note |
PDF
1.50 MB
日本語
AI-generated Summary:
The control program operates on the RA2A2 microcontroller within the EK-RA2A2 evaluation kit and interfaces with the QE for AFE development tool to configure registers and acquire A/D conversion data from 24-bit Sigma-Delta and 12-bit A/D converters. It supports high-speed continuous sampling via USB-UART adapters at bitrates of 3 Mbps or higher. Various HEX files and e2 studio projects enable flexible connection methods and clock frequencies to suit different measurement and communication requirements. The program facilitates continuous and one-shot A/D measurements with configurable sampling rates and supports UART communication with flow control options. Detailed instructions cover firmware writing, project setup, pin configurations, and troubleshooting.
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| Release Note | PDF 1.45 MB 日本語 | |
| Tool News - Release | PDF 180 KB 日本語 | |
| Release Note | PDF 1.31 MB 日本語 | |
| Application Note |
PDF
4.12 MB
日本語
AI-generated Summary:
The QE for AFE tool enables precise tuning and evaluation of the analog front end (AFE) in embedded systems using the RX23E-B microcontroller. It connects via USB to the RSSKRX23E-B board, allowing users to set AFE registers, control A/D conversion, and visualize measurement data through graphs and histograms. The tool supports configuring digital filters, monitoring waveforms, and controlling sample or user programs. It operates on Windows 10/11 (64-bit) and requires installing USB serial drivers and board control software. The package includes the QE for AFE executable, communication modules, and sample projects to facilitate development and testing.
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| Release Note | PDF 926 KB 日本語 | |
| Tool News - Release | PDF 237 KB 日本語 | |
| Application Note |
PDF
1.59 MB
日本語
AI-generated Summary:
The program operates on the RX23E-B MCU on the RSSKRX23E-B board, enabling communication with QE for AFE via USB-UART. It provides functions to configure registers of the Analog Front End (AFE), 24-bit Δ-Σ A/D converter (DSAD), and 16-bit D/A converter (R16DA), control A/D conversion, and transmit conversion data. The system uses DMA and data operation circuits to efficiently handle data transfer and error detection. Operating conditions include a 5V power supply, 32MHz clock, and specific peripheral frequencies. The package includes firmware, source code, and documentation in English and Japanese. The document details communication protocols, peripheral usage, program structure, and project import instructions.
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| Tool News - Release | PDF 219 KB 日本語 | |
| Release Note | PDF 655 KB 日本語 | |
| Application Note |
PDF
5.88 MB
日本語
AI-generated Summary:
The QE for AFE tool enables precise tuning and control of the Analog Front End (AFE) integrated in RA2A1 microcontrollers via serial communication with the EK-RA2A1 evaluation board. It facilitates register configuration, operation control, and real-time acquisition and graphical display of A/D conversion and comparator outputs. The tool includes features such as waveform and histogram visualization, SINC3 filter frequency-gain analysis, and supports various AFE components like SDADC24, ADC16, OPAMP, DAC8/12, and comparators. It operates on Windows 10 (64-bit) and requires specific board control programs for communication and operation. The document details installation, connection, evaluation procedures, and functional explanations to assist embedded system development with high-accuracy sensing.
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| Release Note | PDF 439 KB 日本語 | |
| Tool News - Note | PDF 316 KB 日本語 | |
| Tool News - Release | PDF 437 KB 日本語 | |
| Release Note | PDF 252 KB 日本語 | |
21 items
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Design & Development
Sample Code
Sample Code
Filters
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| Type | Title | Date Date |
| Sample Code | RA2A1 Group Board Control Program for 'QE for AFE' - Sample Code
[Software=RA Flexible Software Package|v5.6.0],[Toolchains=GNU Arm Embedded|13.2.1.arm-13-7]
ZIP
15.16 MB
日本語
Application:
Industrial
Compiler:
GNU ARM Embedded
Function:
Analog, Application Example, Communication Interface
IDE:
e2 studio
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| Sample Code | RA2A2 Group Board Control Program for 'QE for AFE' - Sample Code
[Software=RA Flexible Software Package|v5.6.0],[Toolchains=GNU Arm Embedded|13.2.1.arm-13-7]
ZIP
10.06 MB
日本語
Application:
Medical & Healthcare, Wearables
Compiler:
GNU ARM Embedded
Function:
Analog, Communication Interface
IDE:
e2 studio
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| Sample Code | RX23E-B Group QE for AFE: Analog Front End Tuning Guide - Sample Code
Application:
Industrial
Function:
Analog
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| Sample Code | RX23E-B Group RSSKRX23E-B Board Control Program - Sample Code
[Toolchains=CC-RX|V3.05.00]
ZIP
7.37 MB
日本語
Application:
Industrial
Compiler:
CC-RX
Function:
Evaluation Kit
IDE:
CS+ for CC, e2 studio
Includes the factory-programmed board control program binary file.
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| Sample Code | QE for AFE[RA] Analog Front End Tuning Guide Rev.1.00 - Sample Code
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5 items
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Videos & Training
This video describes the procedure for writing the AFE adjustment program and connecting to the PC.
Additional Details
Features
QE for AFE connects with an EK-RA2A1 board via USB serial communication to configure AFE registers on the RA2A1 MCU, check the operations, and display the A/D conversion results.
GUI configuration of the AFE-related registers
The AFE-related registers including connection with analog IPs and PGA gain settings can be configured with a graphical user interface. Through serial communication with the evaluation board via USB, you can check connection with the evaluation board, acquire and configure register values, start an A/D conversion, and acquire the A/D conversion value (A/D conversion is performed in serial scan mode).
Functionality to display the AD conversion result (time waveform and histogram)
You can display a waveform and histogram and perform analysis for the acquired A/D conversion result.
Functionality to display frequency characteristics for digital filters
Displays the frequency-gain characteristics curve for the SINC3 filter based on register configuration values.
Resources
Support
Support Communities
