外围寄存器
Peripheral Registers 视图显示鼠标、键盘、显示器、打印机或 USB 驱动器等外围设备的当前状态。应用程序写入寄存器向设备发送信息，读取寄存器从设备获取信息。要读取外围设备中的寄存器，应用程序需要使用 CPU 发出的加载或存储指令访问其 I/O 地址。
Access 列显示寄存器是读写（RW ）、只读（RO ）还是只写（WO ）。N/A 表示访问类型不可用。
右键单击列标题可显示或隐藏视图中的列。
右键单击视图可选择以下操作：
- 查看寄存器组。
- 设置调试器首选项。
默认情况下，Peripheral Registers 视图是隐藏的。要显示该视图，请在调试器工具栏Views 中选择该视图。
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