SN8P2711B
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 4 Version 2.4
4.4.4 外部振荡应用电路 .............................................................................................................................................. 41
4.5 系统低速时钟 ..................................................................................................................................................... 42
4.6 OSCM寄存器 ..................................................................................................................................................... 43
4.7 系统时钟测试 ..................................................................................................................................................... 43
4.8 系统时钟时序 ..................................................................................................................................................... 44
5 系统工作模式 ............................................................................................................................................................................. 46
5.1 概述 .................................................................................................................................................................... 46
5.2 普通模式 ............................................................................................................................................................ 47
5.3 低速模式 ............................................................................................................................................................ 47
5.4 睡眠模式 ............................................................................................................................................................ 47
5.5 绿色模式 ............................................................................................................................................................ 48
5.6 工作模式控制宏 .................................................................................................................................................. 49
5.7 系统唤醒 ............................................................................................................................................................ 50
5.7.1 概述 .................................................................................................................................................................... 50
5.7.2 唤醒时间 ............................................................................................................................................................ 50
6 中断 ........................................................................................................................................................................................... 51
6.1 概述 .................................................................................................................................................................... 51
6.2 中断请求使能寄存器INTEN ................................................................................................................................ 51
6.3 中断请求寄存器INTRQ ....................................................................................................................................... 52
6.4 GIE全局中断 ...................................................................................................................................................... 52
6.5 PUSH, POP处理 ................................................................................................................................................ 53
6.6 INT0（P0.0）中断 ............................................................................................................................................. 54
6.7 INT1（P0.1）中断 ............................................................................................................................................. 55
6.8 TC0 中断 ............................................................................................................................................................ 56
6.9 TC1 中断 ............................................................................................................................................................ 57
6.10 ADC中断 ............................................................................................................................................................ 58
6.11 多中断操作举例 .................................................................................................................................................. 59
7 I/O口 .......................................................................................................................................................................................... 60
7.1 概述 .................................................................................................................................................................... 60
7.2 I/O口模式 ........................................................................................................................................................... 61
7.3 I/O上拉电阻寄存器 ............................................................................................................................................. 62
7.4 I/O口数据寄存器................................................................................................................................................. 63
7.5 P4 口ADC共用引脚 ............................................................................................................................................ 64
8 定时器 ........................................................................................................................................................................................ 66
8.1 看门狗定时器 ..................................................................................................................................................... 66
8.2
定时/计数器TC0 ................................................................................................................................................. 67
8.2.1 概述 .................................................................................................................................................................... 67
8.2.2 TC0 操作 ............................................................................................................................................................ 68
8.2.3 TC0M模式寄存器 ............................................................................................................................................... 69
8.2.4 TC0X8, TC0GN标志 .......................................................................................................................................... 70
8.2.5 TC0C计数寄存器................................................................................................................................................ 70
8.2.6 TC0R自动装载寄存器 ........................................................................................................................................ 71
8.2.7 TC0 事件计数器 ................................................................................................................................................. 72
8.2.8 TC0 时钟频率输出（BUZZER） ........................................................................................................................ 73
8.2.9 脉冲宽度调制（PWM） ..................................................................................................................................... 74
8.2.10 TC0 操作举例 ..................................................................................................................................................... 75
8.3 定时/计数器TC1 ................................................................................................................................................. 77
8.3.1 概述 .................................................................................................................................................................... 77
8.3.2 TC1 操作 ............................................................................................................................................................ 78
8.3.3 TC1M模式寄存器 ............................................................................................................................................... 79
8.3.4 TC1X8 标志 ........................................................................................................................................................ 79
8.3.5 TC1C计数寄存器................................................................................................................................................ 80
8.3.6 TC1R自动装载寄存器
........................................................................................................................................ 81
8.3.7 TC1 事件计数器 ................................................................................................................................................. 82
8.3.8 TC1 时钟频率输出（BUZZER） ........................................................................................................................ 83
8.3.9 脉冲宽度调制（PWM） ..................................................................................................................................... 84
8.3.10 TC1 操作举例 ..................................................................................................................................................... 85
9 5+1 通道ADC ............................................................................................................................................................................. 87
9.1 概述 .................................................................................................................................................................... 87
9.2 ADC模式寄存器 ................................................................................................................................................. 88
9.3 ADB数据缓存器.................................................................................................................................................. 89
9.4 ADC参考电压寄存器 .......................................................................................................................................... 90
9.5 ADC操作说明和注意事项 ................................................................................................................................... 91
9.5.1 ADC信号格式 ..................................................................................................................................................... 91
