Overview
Description
QE for USB V2.0.0 Release Note (PDF | English, 日本語)
- Supports RA2L2 of the RA Family
Supports USB Type-C debugging function for RA2L2 Type-C
- Supports Workflow view
QE for USB is a tool for embedded software development currently supports system development involving the USB modules. It eases the debugging of USB systems, shortening development periods and lowering costs. USB peripheral functionality is supported.
By expanding the existing integrated development environment (IDE), it will help in resolving problems in development for systems which use the USB such as :
"How do I actually include the USB in my embedded application?"
"It seems the USB is not connecting even though I've included the code."
This product is a plug-in which extends the Renesas IDE "e² studio". You can download and utilize it free of charge.
Features
- View transitions of the USB state at a glance: [USB State Chart (QE)] view
- The registers to be set are listed, and pop-up messages indicate errors in settings: [USB Setting Registers (QE)] view
- Check the settings for USB descriptors in a dedicated list: [USB Descriptors (QE)] view
- Learn More
Release Information
| Product Name | Latest Ver. | Released | Target Device (Note1) | Details of upgrade | Download | Operating Environment |
|---|---|---|---|---|---|---|
| QE for USB | V2.0.0 | Jun 10, 2025 | RA Family RL78 Family RX Family | See Release Note | Download | e² studio plug-in(Note2) Operating Environment |
Notes
- For details on supported MCUs, refer to the section Target Devices.
- We recommend using the e² studio installer provided for the RA Family for customers using RA Family. For details, see the GitHub page on the Flexible Software Package (FSP).
Target Devices
Downloads
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| Type | Title | Date |
| Software & Tools - Software | QE for USB V2.0.0: Development Assistance Tool for USB
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| Software & Tools - Other | [technical preview version] QE for USB V1.2.1
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Documentation
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| Type | Title | Date |
| Release Note | PDF 405 KB 日本語 | |
| Flyer | PDF 752 KB 日本語 , 简体中文 | |
| Tool News - Release | PDF 261 KB 日本語 | |
| Application Note |
PDF
1.58 MB
日本語
AI-generated Summary:
The document provides detailed instructions for installing QE for USB using the e2 studio environment. It guides users through accessing the software via Renesas' website or the e2 studio smart browser, adding the repository by selecting the downloaded zip file, and completing installation by accepting license agreements and security certificates. The process includes restarting e2 studio to finalize the setup.
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| Release Note | PDF 222 KB 日本語 | |
| Tool News - Release | PDF 161 KB 日本語 | |
| Tool News - Release | PDF 272 KB | |
7 items
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Design & Development
Sample Code
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Videos & Training
This tutorial demonstrates how to debug a USB USB Type-C® system using the EK-RA2L2.
Related Resources
Additional Details
Functions
View transitions of the USB state at a glance: [USB State Chart (QE)] view
A state chart of the USB connection (enumeration) process is displayed in real-time. As well as confirming the success of connection, the user can visually check the state and timing where processing stopped when connection has failed, which enables a problem to be quickly solved.
![[USB State Chart (QE)] view](https://www.renesas.com/sites/default/files/media/images/qe-for-usb-01-state.png)
The registers to be set are listed, and pop-up messages indicate errors in settings: [USB Setting Registers (QE)] view
The register values and descriptions related to the settings for USB connection are indicated. If a register is not set to a correct value needed for connection, it is marked "NG" (no good) and the user can find problems simply by opening this view. For some MCUs, the tool also supports another feature where placing the mouse cursor over a register value in the view pops up a message with the meaning of the value so the user can see how to correct the setting.
![[USB Setting Registers (QE)] view](https://www.renesas.com/sites/default/files/media/images/qe-for-usb-02-register.png)
Check the settings for USB descriptors in a dedicated list: [USB Descriptors (QE)] view
This is a list of the descriptor values and states which are set in the process of USB connection (enumeration). If the value of a descriptor is incorrect, it is marked "NG". A single-click on an "NG" location will cause a jump to the corresponding source code so the user can immediately edit it.
![[USB Descriptors (QE)] view](https://www.renesas.com/sites/default/files/media/images/qe-for-usb-03-descriptor.png)
Support
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