慕课嵌入式开发及应用(第五章.看门狗相关模块)

落日映苍穹つ 2023-07-19 12:21 25阅读 0赞

### 慕课苏州大学.嵌入式开发及应用.第五章.其他.看门狗相关模块 ###

*  0 目录
 *  5 其他
 *   *  5.2 看门狗相关模块
     *   *  5.2.1 课堂重点
         *  5.2.2 测试与作业
 *  6 下一章

# 0 目录 #

# 5 其他 #

## 5.2 看门狗相关模块 ##

### 5.2.1 课堂重点 ###

![在这里插入图片描述][20200331090604731.png]  
![在这里插入图片描述][20200331090628795.png]  
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![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjQ3MzIyOA_size_16_color_FFFFFF_t_70 1]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjQ3MzIyOA_size_16_color_FFFFFF_t_70 2]  
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![在这里插入图片描述][20200331090851836.png]  
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![在这里插入图片描述][2020033109093087.png]  
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![在这里插入图片描述][20200331091022113.png]  
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![在这里插入图片描述][20200331093319267.png]  
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![在这里插入图片描述][20200331093547351.png]  
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![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjQ3MzIyOA_size_16_color_FFFFFF_t_70 16]  
![在这里插入图片描述][20200331093700419.png]  
![在这里插入图片描述][20200331093710838.png]

### 5.2.2 测试与作业 ###

STOP模式功耗一般在：  
A.安培（A）级  
B.毫安（mA）级  
C.微安（μA）级  
D.那安（nA）级  
正确答案：C

1MCU处于WAIT模式，CPU不工作，所有中断均为可唤醒，芯片功耗一般在（ ）  
A.安培（A）级B.毫安（mA）级C.微安（μA）级D.那安（nA）级  
正确答案：B

2在正常的工作时间，用户程序向SIM\_SRVCOP寄存器按顺序写入0x55和0xAA，可以清0看门狗计数?  
A.B.  
正确答案：对

3COP的功能是：  
正确答案：  
预防程序跑飞。工作正常时，用户程序定期清看门狗计数器，若程序跑飞，看门狗计数器会溢出，产生看门狗复位。

# 6 下一章 #

**博客地址:**

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