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ASM87L164用户手册_V1.31
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更新于2022-08-04
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ASM87L164是一款由安徽赛腾微电子有限公司生产的8位微控制器,主要用于各种嵌入式应用。这款微控制器具有丰富的特性,适用于多种工业和消费电子产品设计。以下是关于ASM87L164的详细说明:
1. **产品概述**:ASM87L164是一款高效能的8位微控制器,旨在提供灵活的解决方案,满足低功耗和高性能的需求。它集成了CPU、存储器、I/O端口和其他外围设备,便于开发者构建复杂的系统。
2. **主要特色**:ASM87L164可能具备以下特点:
- 高性能8位CPU核心,支持快速执行指令。
- 优化的功耗管理,适应电池供电或能量收集的应用。
- 多种内置外设,如定时器、串行通信接口等。
- 强大的I/O端口,可以配置为输入/输出,支持中断功能。
- 可靠性高,符合工业级标准。
3. **管脚描述**:
- **管脚排列**:详细列出了ASM87L164的所有物理引脚位置,方便用户在电路板上布局。
- **管脚定义**:每个引脚的功能描述,包括电源、地线、输入输出信号、控制信号等,为设计电路提供指导。
4. **功能方框图**:功能方框图展示了ASM87L164的内部架构,包括CPU、内存、I/O端口、中断控制器、定时器、串行接口等模块,帮助理解各个部分如何协同工作。
5. **CPU及指令系统**:
- **CPU**:CPU是微控制器的核心,负责执行程序指令,处理数据和控制其他部件。
- **寻址方式**:ASM87L164可能支持几种寻址模式,如直接寻址、间接寻址、立即寻址等,以访问不同的存储器区域。
- **指令系统**:包括一系列机器指令,用于实现计算、逻辑操作、控制流程等功能。
- **特殊功能寄存器映像(SFR)**:SFRs是一组可以直接读写并影响微控制器行为的寄存器,如中断控制寄存器、波特率寄存器等。
- **SFR说明**:提供了每个SFR的详细描述和功能,帮助程序员理解和使用这些寄存器。
ASM87L164的用户手册还可能包含其他重要章节,如时钟系统、中断系统、电源管理、开发工具支持、编程模型、调试接口等。这些内容将为开发者提供全面的参考资料,以有效地利用ASM87L164的全部潜力。在设计项目时,开发者可以根据手册中的信息进行硬件设计、编写软件代码,并进行系统集成和调试。
![](https://csdnimg.cn/release/download_crawler_static/86332749/bg1.jpg)
本公司保留对产品在可靠性、功能和设计方面的改进作进一步说明的权利;
8
位微控制器
ASM87L164
用户手册
(Version 1.3)
Anhui Sine Microelectronics Co.,Ltd
安徽赛腾微电子有限公司
![](https://csdnimg.cn/release/download_crawler_static/86332749/bg2.jpg)
安徽赛腾微电子有限公司技术文档 Page 2of122
ASM87L164 用户手册 V1.3
赛腾微电子
Sine Microelectronics
目录
1. 产品概述................................................................................................................................................................ 6
2. 主要特色................................................................................................................................................................ 6
3. 管脚描述................................................................................................................................................................ 9
3-1. 管脚排列.....................................................................................................................................................9
3-2. 管脚定义...................................................................................................................................................10
4. 功能方框图.......................................................................................................................................................... 12
5. CPU 及指令系统.................................................................................................................................................. 13
5-1. CPU............................................................................................................................................................13
5-2. 寻址方式...................................................................................................................................................13
5-3. 指令系统...................................................................................................................................................14
5-4. 特殊功能寄存器映像(SFR).....................................................................................................................14
5-5. SFR 说明....................................................................................................................................................15
6. 存储器结构.......................................................................................................................................................... 20
6-1. Flash 存储器..............................................................................................................................................20
6-2. 随机数据存储(SRAM)............................................................................................................................ 20
7. I/O 端口.................................................................................................................................................................23
7-1. I/O 端口相关寄存器................................................................................................................................ 23
7-2. I/O 端口结构............................................................................................................................................. 27
7-3. I/O 端口复用............................................................................................................................................. 28
8. 时钟和复位系统.................................................................................................................................................. 30
8-1. 时钟系统...................................................................................................................................................30
8-2. 上电复位过程...........................................................................................................................................32
8-3. 复位系统...................................................................................................................................................33
8-4. 不同复位方式对寄存器、SRAM 与 PC 指针的影响...........................................................................37
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ASM87L164 用户手册 V1.3
赛腾微电子
Sine Microelectronics
9. 省电模式.............................................................................................................................................................. 38
9-1. 空闲模式(Idle)..........................................................................................................................................38
9-2. 掉电模式(Power-Down)..................................................................................................................... 38
9-3. 深度睡眠方式...........................................................................................................................................39
9-4. 唤醒时间...................................................................................................................................................40
10. 中断系统............................................................................................................................................................ 41
10-1. 中断源和中断向量.................................................................................................................................41
10-2. 中断优先级.............................................................................................................................................42
10-3. 中断处理流程.........................................................................................................................................43
10-4. 中断相关寄存器.....................................................................................................................................43
11. 定时器 Timer0/Timer1.......................................................................................................................................47
11-1. 功能框图.................................................................................................................................................47
11-2. 控制寄存器.............................................................................................................................................47
11-3. 工作模式.................................................................................................................................................50
12. 定时器 2............................................................................................................................................................. 53
12-1. 概述.........................................................................................................................................................53
12-2. 功能框图.................................................................................................................................................53
12-3. 控制寄存器.............................................................................................................................................54
13. 定时器 3............................................................................................................................................................. 57
13-1. 控制寄存器.............................................................................................................................................57
14. UART0 单元....................................................................................................................................................... 59
14-1. 概述.........................................................................................................................................................59
14-2. 功能描述.................................................................................................................................................59
14-3. 控制寄存器.............................................................................................................................................60
15. UART1 单元....................................................................................................................................................... 62
15-1. 概述.........................................................................................................................................................62
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ASM87L164 用户手册 V1.3
赛腾微电子
Sine Microelectronics
15-2. 控制寄存器.............................................................................................................................................62
16. I2C 单元............................................................................................................................................................. 64
16-1. 概述.........................................................................................................................................................64
16-2. 功能描述.................................................................................................................................................64
16-3. 工作模式.................................................................................................................................................65
16-4. I2C 总线上数据传输.............................................................................................................................. 74
16-5. 控制寄存器.............................................................................................................................................75
17. SPI 单元.............................................................................................................................................................. 79
17-1. 概述.........................................................................................................................................................79
17-2. 特性.........................................................................................................................................................79
17-3. 功能描述.................................................................................................................................................80
17-4. SPI 寄存器...............................................................................................................................................82
18. 16 位 PWMC.......................................................................................................................................................85
18-1. PWM 结构框图.......................................................................................................................................85
18-2. PWM 模块控制寄存器...........................................................................................................................86
19. 8+2 通道 12 位 ADC......................................................................................................................................... 91
19-1. 概述.........................................................................................................................................................91
19-2. 控制寄存器.............................................................................................................................................92
19-3. ADC 转换步骤........................................................................................................................................ 95
20. 低电压检测(LVD)............................................................................................................................................. 97
21. 可编程运算放大器(PGA)................................................................................................................................. 98
21-1. PGA 控制寄存器.....................................................................................................................................98
22. IAP 控制单元 (Data EEPROM)......................................................................................................................101
22-1. IAP 相关控制寄存器............................................................................................................................ 101
22-2. IAP 操作流程........................................................................................................................................ 103
22-3. IAP 读写范例........................................................................................................................................ 103
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ASM87L164 用户手册 V1.3
赛腾微电子
Sine Microelectronics
23. 电气特性.......................................................................................................................................................... 105
23-1. 极限参数...............................................................................................................................................105
23-2. 推荐工作条件.......................................................................................................................................105
23-3. ESD 特性............................................................................................................................................... 105
23-4. 直流电气特性.......................................................................................................................................105
23-5. IRC 电气特性........................................................................................................................................107
23-6. ADC 电气特性...................................................................................................................................... 107
23-7. PGA 电气特性.......................................................................................................................................108
23-8. LVD 电气特性.......................................................................................................................................109
23-9. LVR 电气特性....................................................................................................................................... 110
23-10. 各项曲线图.........................................................................................................................................111
24. 封装外形.......................................................................................................................................................... 117
25. 修订记录.......................................................................................................................................................... 122
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