概览
描述
Topics
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 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 of RX family and RL78 family devices. It eases the debugging of USB systems, shortening development periods and lowering costs.
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.
特性
- 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
发布信息
| 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).
目标设备
文档
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| 类型 | 文档标题 | 日期 |
| 工具新闻 - 发布公告 | PDF 261 KB 日本語 | |
| 应用说明 | PDF 1.58 MB 日本語 | |
| 发行说明 | PDF 406 KB 日本語 | |
| 发行说明 | PDF 222 KB 日本語 | |
| 工具新闻 - 发布公告 | PDF 161 KB 日本語 | |
| 工具新闻 - 发布公告 | PDF 272 KB | |
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设计和开发
样例程序
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[Notification] End of Life (EOL) Notice for E1 Emulator
(PDF | English, 日本語)
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视频和培训
QE for USB Tutorial: How to Debug a USB Type-C System with the RA2L2 Kit
This tutorial demonstrates how to debug a USB USB Type-C® system using the EK-RA2L2.
Chapter Titles
00:00 Opening
00:18 How to check USB State
01:13 How to check USB Registers
01:41 How to check USB Descriptor
02:08 How to check USB Type-C Information
Related Resources
Video List
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.
图像
![[USB State Chart (QE)] view](/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.
图像
![[USB Setting Registers (QE)] view](/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.
图像
![[USB Descriptors (QE)] view](/sites/default/files/media/images/qe-for-usb-03-descriptor.png)