CMS69P22 查看數據表（PDF） - Unspecified

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CMS69P22

CMS69P22, 8-bit OTP-CMS69P22 Special Two-in-one Induction Cooker MCU / DIP-20 package

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中微股份

CMS69P22

1. 产品概述................................................................................................................................................ 1

1.1 功能特性 ...................................................................................................................................................................... 1

1.2 系统结构框图............................................................................................................................................................... 2

1.3 管脚分布 ...................................................................................................................................................................... 3

1.4 管脚描述 ...................................................................................................................................................................... 4

1.5 烧写选择项 系统配置寄存器 ..................................................................................................................................... 5

2. 中央处理器(CPU)................................................................................................................................. 6

2.1 存储器 .......................................................................................................................................................................... 6

2.1.1 程序存储器 .............................................................................................................................................................. 6

2.1.2 数据存储器 ............................................................................................................................................................ 11

2.2 寻址模式 .................................................................................................................................................................... 14

2.2.1 直接寻址 ................................................................................................................................................................ 14

2.2.2 立即寻址 ................................................................................................................................................................ 14

2.2.3 间接寻址 ................................................................................................................................................................ 14

2.3 堆栈 ............................................................................................................................................................................ 15

2.4 工作寄存器（ACC） ................................................................................................................................................ 15

2.4.1 概述 ........................................................................................................................................................................ 15

2.4.2 ACC 应用 ............................................................................................................................................................... 15

2.5 程序状态寄存器(FLAGS) ......................................................................................................................................... 16

2.6 预分频器(OPTION) ................................................................................................................................................... 18

2.7 程序计数器（PC）.................................................................................................................................................... 19

2.8 看门狗计数器(WDT) ................................................................................................................................................. 19

2.8.1 WDT 周期 .............................................................................................................................................................. 19

3. 系统时钟.............................................................................................................................................. 20

3.1 概述 ............................................................................................................................................................................ 20

3.2 系统振荡器................................................................................................................................................................. 21

3.2.1 EXTRC:外部 RC 振荡........................................................................................................................................... 21

3.2.2 XT:外部晶体振荡 .................................................................................................................................................. 22

3.2.3 INTRC:内部 RC 振荡 ............................................................................................................................................ 22

3.2.4 外部振荡 ................................................................................................................................................................ 23

3.3 起振时间 .................................................................................................................................................................... 23

4. 复位...................................................................................................................................................... 24

4.1 上电复位 .................................................................................................................................................................... 24

4.2 掉电复位 .................................................................................................................................................................... 25

4.2.1 掉电复位概述 ........................................................................................................................................................ 25

4.2.2 掉电复位的改进办法 ............................................................................................................................................ 26

4.3 看门狗复位................................................................................................................................................................. 26

4.4 复位口电平复位......................................................................................................................................................... 27

4.5 基本外部复位电路..................................................................................................................................................... 27

4.5.1 RC 复位电路 .......................................................................................................................................................... 27

4.5.2 二极管及 RC 复位电路 ......................................................................................................................................... 28

4.5.3 三极管复位电路 .................................................................................................................................................... 28

4.5.4 稳压二极管复位电路 ............................................................................................................................................ 29

5. 系统工作模式...................................................................................................................................... 30

5.1 休眠模式 .................................................................................................................................................................... 30

5.1.1 休眠模式应用举例 ................................................................................................................................................ 30

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