SN8P2711B-松翰中文规格书.pdf_松翰单片机手册资源-CSDN文库

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SN8P2711B

8-Bit Micro-Controller

SONiX TECHNOLOGY CO., LTD Page 1 Version 1.0

SN8P2711B

用户参考手册

SONiX 8

位单片机

SONiX 公司保留对以下所有产品在可靠性，功能和设计方面的改进作进一步说明的权利。SONiX 不承担由本手册所

涉及的产品或电路的运用和使用所引起的任何责任，SONiX 的产品不是专门设计来应用于外科植入、生命维持和任何

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SN8P2711B

8-Bit Micro-Controller

SONiX TECHNOLOGY CO., LTD Page 3 Version 1.0

目

录

修正记录 .............................................................................................................................................................................. 2

1 产品简介 ..................................................................................................................................................................... 6

1.1 功能特性 ............................................................................................................................................................ 6

1.2 系统结构框图 ..................................................................................................................................................... 7

1.3 引脚配置 ............................................................................................................................................................ 8

1.4 引脚说明 ............................................................................................................................................................ 8

1.5 引脚电路结构图 ................................................................................................................................................. 9

2 中央处理器（CPU）................................................................................................................................................. 10

2.1 程序存储器（ROM） ....................................................................................................................................... 10

2.1.1 复位向量（0000H） .................................................................................................................................... 10

2.1.2 中断向量（0008H） .................................................................................................................................... 11

2.1.3 查表 ............................................................................................................................................................. 12

2.1.4 跳转表 .......................................................................................................................................................... 14

2.1.5 CHECKSUM计算 ........................................................................................................................................ 16

2.2 数据存储器（RAM） ....................................................................................................................................... 17

2.2.1 系统寄存器 .................................................................................................................................................. 18

2.2.1.1 系统寄存器列表 .................................................................................................................................. 18

2.2.1.2 系统寄存器说明 .................................................................................................................................. 18

2.2.1.3 系统寄存器的位定义 ........................................................................................................................... 19

2.2.2 累加器 .......................................................................................................................................................... 20

2.2.3 程序状态寄存器PFLAG ............................................................................................................................... 21

2.2.4 程序计数器 .................................................................................................................................................. 22

2.2.5 Y，Z寄存器 ................................................................................................................................................. 24

2.2.6 R寄存器 ....................................................................................................................................................... 24

2.3 寻址模式 .......................................................................................................................................................... 25

2.3.1 立即寻址 ...................................................................................................................................................... 25

2.3.2 直接寻址 ...................................................................................................................................................... 25

2.3.3 间接寻址 ...................................................................................................................................................... 25

2.4 堆栈 .................................................................................................................................................................. 26

2.4.1 概述 ............................................................................................................................................................. 26

2.4.2 堆栈寄存器 .................................................................................................................................................. 26

2.4.3 堆栈操作举例 ............................................................................................................................................... 27

2.5 编译选项表（CODE

OPTION） ...................................................................................................................... 28

2.5.1 Fcpu编译选项 .............................................................................................................................................. 28

2.5.2 Reset_Pin编译选项 ..................................................................................................................................... 28

2.5.3 Security编译选项 ......................................................................................................................................... 28

2.5.4 Noise Filter编译选项 .................................................................................................................................... 28

3 复位 .......................................................................................................................................................................... 29

3.1 概述 .................................................................................................................................................................. 29

3.2 上电复位 .......................................................................................................................................................... 30

3.3 看门狗复位 ....................................................................................................................................................... 30

3.4 掉电复位 .......................................................................................................................................................... 31

3.4.1 概述 ............................................................................................................................................................. 31

3.4.2 系统工作电压 ............................................................................................................................................... 31

3.4.3 低电压检测LVD ........................................................................................................................................... 32

3.4.4 掉电复位性能改进 ....................................................................................................................................... 33

3.5 外部复位 .......................................................................................................................................................... 34

3.6 外部复位电路 ................................................................................................................................................... 35

3.6.1 RC复位电路 ................................................................................................................................................. 35

3.6.2 二极管及RC复位电路 .................................................................................................................................. 35

3.6.3 稳压二极管复位电路 .................................................................................................................................... 36

3.6.4 电压偏置复位电路 ....................................................................................................................................... 36

3.6.5 外部IC复位 .................................................................................................................................................. 37

4 系统时钟 ................................................................................................................................................................... 38

4.1 概述 .................................................................................................................................................................. 38

SN8P2711B

8-Bit Micro-Controller

SONiX TECHNOLOGY CO., LTD Page 4 Version 1.0

4.2 指令周期FCPU .................................................................................................................................................. 38

4.3 NOISE

FILTER ................................................................................................................................................ 38

4.4 系统高速时钟 ................................................................................................................................................... 39

4.4.1 HIGH_CLK编译选项 .................................................................................................................................... 39

4.4.2 内部高速RC振荡器（IHRC） ...................................................................................................................... 39

4.4.3 外部高速振荡器 ........................................................................................................................................... 39

4.4.4 外部振荡应用电路 ....................................................................................................................................... 39

4.5 系统低速时钟 ................................................................................................................................................... 40

4.6 OSCM寄存器 ................................................................................................................................................... 41

4.7 系统时钟测试 ................................................................................................................................................... 41

4.8 系统时钟时序 ................................................................................................................................................... 42

5 系统工作模式 ............................................................................................................................................................ 44

5.1 概述 .................................................................................................................................................................. 44

5.2 普通模式 .......................................................................................................................................................... 45

5.3 低速模式 .......................................................................................................................................................... 45

5.4 睡眠模式 .......................................................................................................................................................... 45

5.5 绿色模式 .......................................................................................................................................................... 46

5.6 工作模式控制宏 ............................................................................................................................................... 47

5.7 系统唤醒 .......................................................................................................................................................... 48

5.7.1 概述 ............................................................................................................................................................. 48

5.7.2 唤醒时间 ...................................................................................................................................................... 48

6 中断 .......................................................................................................................................................................... 49

6.1 概述 .................................................................................................................................................................. 49

6.2 中断请求使能寄存器INTEN ............................................................................................................................. 49

6.3 中断请求寄存器INTRQ .................................................................................................................................... 50

6.4 GIE全局中断 .................................................................................................................................................... 50

6.5 PUSH,

POP处理 .............................................................................................................................................. 51

6.6 INT0（P0.0）中断 ........................................................................................................................................... 52

6.7 INT1（P0.1）中断 ........................................................................................................................................... 53

6.8 TC0 中断 .......................................................................................................................................................... 54

6.9 TC1 中断 .......................................................................................................................................................... 55

6.10 ADC中断 .......................................................................................................................................................... 56

6.11 多中断操作举例 ............................................................................................................................................... 57

7 I/O口 ......................................................................................................................................................................... 58

7.1 I/O口模式 ......................................................................................................................................................... 58

7.2

I/O上拉电阻寄存器 ........................................................................................................................................... 59

7.3 I/O口数据寄存器 .............................................................................................................................................. 60

7.4 P4 口ADC共用引脚 .......................................................................................................................................... 61

8 定时器 ....................................................................................................................................................................... 63

8.1 看门狗定时器 ................................................................................................................................................... 63

8.2 定时/计数器TC0 ............................................................................................................................................... 64

8.2.1 概述 ............................................................................................................................................................. 64

8.2.2 TC0 操作 ..................................................................................................................................................... 65

8.2.3 TC0M模式寄存器 ........................................................................................................................................ 66

8.2.4 TC0X8, TC0GN标志 .................................................................................................................................... 67

8.2.5 TC0C计数寄存器 ......................................................................................................................................... 67

8.2.6 TC0R自动装载寄存器 .................................................................................................................................. 68

8.2.7 TC0 事件计数器 ........................................................................................................................................... 69

8.2.8 TC0 时钟频率输出（BUZZER） ................................................................................................................. 70

8.2.9 脉冲宽度调制（PWM） ............................................................................................................................... 71

8.2.10 TC0 操作举例 .......................................................................................................................................... 72

8.3 定时/计数器TC1 ............................................................................................................................................... 74

8.3.1 概述

............................................................................................................................................................. 74

8.3.2 TC1 操作 ..................................................................................................................................................... 75

8.3.3 TC1M模式寄存器 ........................................................................................................................................ 76

8.3.4 TC1X8 标志 ................................................................................................................................................. 76

8.3.5 TC1C计数寄存器 ......................................................................................................................................... 77

8.3.6 TC1R自动装载寄存器 .................................................................................................................................. 78

SN8P2711B

8-Bit Micro-Controller

SONiX TECHNOLOGY CO., LTD Page 5 Version 1.0

8.3.7 TC1 事件计数器 ........................................................................................................................................... 79

8.3.8 TC1 钟频率输出（BUZZER） ..................................................................................................................... 80

8.3.9 脉冲宽度调制（PWM） ............................................................................................................................... 81

8.3.10 TC1 操作举例 .......................................................................................................................................... 82

9 5+1 通道ADC ............................................................................................................................................................ 84

9.1 概述 .................................................................................................................................................................. 84

9.2 ADC模式寄存器 ............................................................................................................................................... 85

9.3 ADB数据缓存器 ............................................................................................................................................... 86

9.4 ADC参考电压寄存器 ........................................................................................................................................ 87

9.5 ADC操作说明和注意事项 ................................................................................................................................. 88

9.5.1 ADC信号格式 .............................................................................................................................................. 88

9.5.2 AD转换时间 ................................................................................................................................................. 88

9.5.3 ADC引脚配置 .............................................................................................................................................. 89

9.6 ADC操作实例 ................................................................................................................................................... 90

9.7 ADC应用电路 ................................................................................................................................................... 92

10 指令集 .................................................................................................................................................................. 93

11 电气特性 ............................................................................................................................................................... 94

11.1

极限参数 .......................................................................................................................................................... 94

11.2 电气特性 .......................................................................................................................................................... 94

11.3 特性曲线图 ....................................................................................................................................................... 96

12 开发工具 ............................................................................................................................................................... 97

12.1 SN8P2711B

EVKIT .......................................................................................................................................... 97

12.2 ICE和EVKIT应用注意事项 ............................................................................................................................... 99

13 OTP烧录信息 .......................................................................................................................................................... 100

13.1 烧录转接板信息 ............................................................................................................................................. 100

13.2 烧录引脚信息 ................................................................................................................................................. 102

14 封装信息 ............................................................................................................................................................. 103

14.1 P-DIP

14 PIN ................................................................................................................................................. 103

14.2 SOP

14 PIN ................................................................................................................................................... 104

14.3 MSOP

10 PIN ................................................................................................................................................ 105

15 芯片正印命名规则 .............................................................................................................................................. 106

15.1 概述 ................................................................................................................................................................ 106

15.2 芯片型号说明 ................................................................................................................................................. 106

15.3 命名举例 ........................................................................................................................................................ 107

15.4 日期码规则

..................................................................................................................................................... 107