dedicated MCU. CMS69F25D Datasheet

CMS69F25D MCU. Datasheet pdf. Equivalent


MCU CMS69F25D
Cmsemicon
CMS69F23D/25D
用户手册
CMS69F23D/25D
电磁炉专用 MCU
V1.0
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CMS69F25D Datasheet
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Part CMS69F25D
Description Cooker dedicated MCU
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Manufacture MCU
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MCU CMS69F25D
Cmsemicon
CMS69F23D/25D
目录
1. 产品概述 .............................................................................................................................. 8
1.1 功能特性........................................................................................................................................................................ 8
1.2 系统结构框图................................................................................................................................................................. 9
1.3 管脚分布...................................................................................................................................................................... 10
1.4 管脚描述...................................................................................................................................................................... 11
1.5 系统配置寄存器 ........................................................................................................................................................... 12
1.6 在线串行编程............................................................................................................................................................... 13
2. 中央处理器(CPU)............................................................................................................... 14
2.1 内存 ............................................................................................................................................................................. 14
2.1.1 程序内存...................................................................................................................................................................14
2.1.2 数据存储器 ...............................................................................................................................................................19
2.2 寻址方式...................................................................................................................................................................... 21
2.2.1 直接寻址...................................................................................................................................................................21
2.2.2 立即寻址...................................................................................................................................................................21
2.2.3 间接寻址...................................................................................................................................................................21
2.3 堆栈 ............................................................................................................................................................................. 22
2.4 工作寄存器(ACC.................................................................................................................................................... 23
2.4.1 概述..........................................................................................................................................................................23
2.4.2 ACC应用 ..................................................................................................................................................................23
2.5 程序状态寄存器(FLAGS) ............................................................................................................................................. 24
2.6 预分频器(OPTION................................................................................................................................................. 25
2.7 程序计数器(PC...................................................................................................................................................... 26
2.8 看门狗计数器(WDT) .................................................................................................................................................... 27
2.8.1 WDT周期..................................................................................................................................................................27
3. 系统时钟 ............................................................................................................................ 28
3.1 概述 ............................................................................................................................................................................. 28
3.2 系统振荡器 .................................................................................................................................................................. 29
3.3 起振时间...................................................................................................................................................................... 29
4. 复位 ................................................................................................................................... 30
4.1 上电复位...................................................................................................................................................................... 30
4.2 掉电复位...................................................................................................................................................................... 31
4.2.1 掉电复位概述............................................................................................................................................................31
4.2.2 掉电复位的改进办法.................................................................................................................................................32
4.3 看门狗复位 .................................................................................................................................................................. 33
4.4 P0 口下降沿唤醒休眠态 CPU复位............................................................................................................................... 33
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MCU CMS69F25D
Cmsemicon
CMS69F23D/25D
5. 系统工作模式..................................................................................................................... 34
5.1 休眠模式...................................................................................................................................................................... 34
5.1.1 休眠模式应用举例 ....................................................................................................................................................34
5.1.2 休眠模式的唤醒 ........................................................................................................................................................35
5.1.3 休眠模式唤醒时间 ....................................................................................................................................................35
6. I/O端口 .............................................................................................................................. 36
6.1 I/O 口模式及上、下拉电阻 .......................................................................................................................................... 38
6.1.1 P0 ........................................................................................................................................................................38
6.1.2 P1 ........................................................................................................................................................................40
6.1.3 P2 ........................................................................................................................................................................42
6.1.4 I/O.....................................................................................................................................................................43
6.1.5 I/O.....................................................................................................................................................................43
6.2 I/O口使用注意事项 ...................................................................................................................................................... 44
7. 中断 ................................................................................................................................... 44
7.1 中断概述...................................................................................................................................................................... 45
7.2 中断控制寄存器 ........................................................................................................................................................... 46
7.3 中断请求寄存器 ........................................................................................................................................................... 47
7.4 总中断使能控制寄存器 ................................................................................................................................................ 48
7.5 中断现场的保护方法 .................................................................................................................................................... 49
7.6 外部中断...................................................................................................................................................................... 50
7.6.1 外部中断控制寄存器.................................................................................................................................................50
7.6.2 外部中断 0................................................................................................................................................................51
7.6.3 外部中断 1................................................................................................................................................................52
7.6.4 外部中断的响应时间.................................................................................................................................................53
7.6.5 外部中断的应用注意事项..........................................................................................................................................53
7.7 内部定时中断............................................................................................................................................................... 54
7.7.1 TMR0 中断 ...............................................................................................................................................................54
7.7.2 TMR1 中断 ...............................................................................................................................................................55
7.7.3 TMR2 中断 ...............................................................................................................................................................56
7.7.4 ADC中断 ..................................................................................................................................................................57
7.8 中断的优先级,及多中断嵌套...................................................................................................................................... 59
8. 定时计数器TMR0............................................................................................................... 61
8.1 定时计数器TMR0 概述................................................................................................................................................. 61
8.2 TMR0 相关寄存器 .................................................................................................................................................. 63
8.3 使用外部时钟作为 TMR0 的时钟源............................................................................................................................. 64
8.4 TMR0 做定时器的应用................................................................................................................................................. 65
8.4.1 TMR0 的基本时间常数 ............................................................................................................................................65
8.4.2 TMR0 操作流程 .......................................................................................................................................................65
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