# PDGO

## 概述

PDGO  例程提供如下功能：

- PDGO 关电（turn-off)
- PDGO 关电并唤醒一次(turn-off and one-shot wake-up)
- PDGO 关电并开启自动唤醒(turn-off and auto wake-up)
- PDGO 通用寄存器数据掉电保持

## 硬件设置

无特殊设置

## 运行现象

当该例程成功运行后，会在串口终端打印如下菜单:

```console

***********************************************************************
*                                                                     *
*     DGO Turn-off and Wake-up test                                   *
*                                                                     *
*     a - DGO Turn off                                                *
*     b - DGO Turn off, System one-shot wakeup                        *
*     c - DGO Turn off, System auto wakeup                            *
*         Note: After wake-up, use option 'a' to test auto wake-up    *
*     d - DGO GPR retention, SW one-shot wakeup                       *
*                                                                     *
***********************************************************************
```