内置 EEPROM 增强 A/D 型 8-Bit 单片机
HT66F018
版本 : V1.30 日期 : 2014-07-302014-07-30
Rev. 1.30 2 Rev. 1.30 3
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
2014-07-30
目录
特性 .................................................................................................................................6
CPU 特性 ............................................................................................................................... 6
周边特性 ................................................................................................................................ 6
概述 .................................................................................................................................7
方框图 .
............................................................................................................................7
引脚图 .
............................................................................................................................8
引脚说明 .
........................................................................................................................8
极限参数 .
......................................................................................................................10
直流电气特性 .
..............................................................................................................11
交流电气特性 .
..............................................................................................................14
ADC 电
气特性 ..............................................................................................................15
LV
D&LVR 电气特性 ...................................................................................................16
比较器电气特性 .
..........................................................................................................17
上电复位特性 .
..............................................................................................................17
带隙参考电压 (
V
BG
) 特性曲线 ....................................................................................18
系统结构 .
......................................................................................................................18
时序和流水线结构 .............................................................................................................. 18
程序计数器 .......................................................................................................................... 19
堆栈 ...................................................................................................................................... 20
算术逻辑单元 – ALU .......................................................................................................... 20
Flash 程序存储器 ........................................................................................................21
结构 ...................................................................................................................................... 21
特殊向量 .............................................................................................................................. 21
查表 ...................................................................................................................................... 21
查表范例 .............................................................................................................................. 22
在线烧录 .
............................................................................................................................. 22
片上调试 .
............................................................................................................................. 23
数据存储器 ...................................................................................................................24
结构 ...................................................................................................................................... 24
特殊功能寄存器 ...........................................................................................................25
间接寻址寄存器 – IAR0,IAR1 ........................................................................................ 25
间接寻址指针 – MP0,MP1 ............................................................................................... 25
存储区指针 –
BP ................................................................................................................. 26
累加器 –
ACC ...................................................................................................................... 26
程序计数器低字节寄存器 – PCL ....................................................................................... 26
表格寄存器 – TBLP,TBHP,TBLH ................................................................................ 26
状态寄存器 – STATUS ........................................................................................................ 27
Rev. 1.30 2 Rev. 1.30 3
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
2014-07-30
EEPROM 数据寄存器 .................................................................................................29
EEPROM 数据寄存器结构 ................................................................................................. 29
EEPROM 寄存器 ................................................................................................................. 29
从 EEPROM 中读取数据 .................................................................................................... 31
写数据到 EEPROM ............................................................................................................. 31
写保护 .................................................................................................................................. 31
EEPROM 中断 ..................................................................................................................... 31
编程注意事项 ...................................................................................................................... 31
振荡器 ...........................................................................................................................33
振荡器概述 .......................................................................................................................... 33
系统时钟配置 .
..................................................................................................................... 33
外部晶体 / 陶
瓷振荡器 – HXT ........................................................................................... 34
内部 RC 振荡器 – HIRC ..................................................................................................... 34
外部 3
2.768kHz 晶体振荡器 – LXT ................................................................................... 35
内部 3
2kHz 振荡器 – LIRC ................................................................................................ 36
辅助振荡器 .
......................................................................................................................... 36
工作模式和系统时钟 ...................................................................................................37
系统时钟 .............................................................................................................................. 37
系统工作模式 ...................................................................................................................... 38
控制寄存器 .......................................................................................................................... 39
快速唤醒 .............................................................................................................................. 40
工作模式切换 ...................................................................................................................... 41
静态电流的注意事项 .......................................................................................................... 45
唤醒 ...................................................................................................................................... 45
编程注意事项 ...................................................................................................................... 45
看门狗定时器 ...............................................................................................................46
看门狗定时器时钟源 .......................................................................................................... 46
看门狗定时器控制寄存器 .................................................................................................. 46
看门狗定时器操作 .
............................................................................................................. 47
复位和初始化 ...............................................................................................................48
复位功能 .............................................................................................................................. 48
复位初始状态 ...................................................................................................................... 50
输入 / 输出端口 ............................................................................................................53
上拉电阻 .............................................................................................................................. 53
PA 口唤醒 ........................................................................................................................... 54
输入 / 输出端口控制寄存器 ............................................................................................... 55
输入 / 输出引脚结构 ........................................................................................................... 56
编程注意事项 ..................................................................................................................... 57
定时器模块 – TM .........................................................................................................57
简介 ..................................................................................................................................... 57
TM 操作 .............................................................................................................................. 58
TM 时钟源 .......................................................................................................................... 58
TM 中断 .............................................................................................................................. 58
Rev. 1.30 4 Rev. 1.30 5
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
2014-07-30
TM 外部引脚 ....................................................................................................................... 58
TM 输入 / 输出引脚控制寄存器 ........................................................................................ 59
编程注意事项 ...................................................................................................................... 60
简易型 TM ....................................................................................................................61
简易型 TM 操作 ................................................................................................................. 61
简易型 TM 寄存器介绍 ...................................................................................................... 62
简易型 TM 工作模式 ......................................................................................................... 66
标准型 TM – STM .......................................................................................................72
标准型 TM 操作 .................................................................................................................. 72
标准型 TM 寄存器介绍 ..................................................................................................... 73
标准型 TM 工作模式 ......................................................................................................... 76
周期型 TM – PTM .......................................................................................................86
周期型 TM 操作 .................................................................................................................. 86
周期型 T
M 寄存器介绍 ...................................................................................................... 87
周期型 TM 工作模式 .......................................................................................................... 91
A/D 转换器..................................................................................................................100
A/D 简介 ............................................................................................................................ 100
A/D 转换寄存器介绍 ........................................................................................................ 100
A/D 转换器数据寄存器 – ADRL,ADRH ...................................................................... 101
A/D 转换器控制寄存器 – ADCR0,ADCR1,ACERL ................................................. 101
A/D 操作 ............................................................................................................................ 105
A/D 输入引脚 .................................................................................................................... 106
A/D 转换步骤 .................................................................................................................... 106
编程注意事项 .................................................................................................................... 107
A/D 转换功能 .................................................................................................................... 107
A/D 转换应用范例 ............................................................................................................ 108
比较器 .........................................................................................................................110
比较器操作 ........................................................................................................................ 110
比较器中断 .........................................................................................................................111
编程注意事项 .....................................................................................................................111
中断 .............................................................................................................................112
中断寄存器 ........................................................................................................................ 112
中断操作 ............................................................................................................................ 116
外部中断 ............................................................................................................................ 117
比较器中断 ........................................................................................................................ 117
多功能中断 ........................................................................................................................ 118
A/D 转换器中断 ................................................................................................................ 118
时基中断 ............................................................................................................................ 118
EEPROM 中断 ................................................................................................................... 119
LVD 中断 ........................................................................................................................... 120
TM 中断 ............................................................................................................................. 120
中断唤醒功能 .................................................................................................................... 120
编程注意事项 .................................................................................................................... 120
Rev. 1.30 4 Rev. 1.30 5
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
HT66F018
内置 EEPROM 增强 A/D 型 8-Bit 单片机
2014-07-30
低电压检测 – LVD .....................................................................................................121
LVD 寄存器 ....................................................................................................................... 121
LVD 操作 ........................................................................................................................... 122
LV
D 操作 ........................................................................................................................... 122
配置选项 .....................................................................................................................122
应用电路 .
....................................................................................................................123
指令集 .
........................................................................................................................124
简介 .................................................................................................................................... 124
指令周期 ............................................................................................................................ 124
数据的传送 ........................................................................................................................ 124
算术运算 ............................................................................................................................ 124
逻辑和移位运算 .
............................................................................................................... 124
分支和控制转换 .
............................................................................................................... 125
位运算 ................................................................................................................................ 125
查表运算 ............................................................................................................................ 125
其它运算 ............................................................................................................................ 125
指令集概要 .................................................................................................................126
惯例 .................................................................................................................................... 126
指令定义 .....................................................................................................................129
封装信息 .
....................................................................................................................141
20-pin SOP (300mil) 外形尺寸 .......................................................................................... 142
20-pin SSOP (150mil) 外形尺寸 ....................................................................................... 143