实例介绍
【实例简介】simBS83BxxA-3-4v170.pdf
【实例截图】
【核心代码】
目录 特性 .................................................................................................................................5 CPU 特性 ............................................................................................................................... 5 周边特性 ................................................................................................................................ 5 概述 .................................................................................................................................6 选型表 .............................................................................................................................6 方框图 .............................................................................................................................7 引脚图 .............................................................................................................................8 引脚说明 .........................................................................................................................9 极限参数 ......................................................................................................................13 直流电气特性 ...............................................................................................................13 交流电气特性 ...............................................................................................................16 上电复位特性 ...............................................................................................................17 系统结构 .......................................................................................................................17 时序和流水线结构 .............................................................................................................. 17 程序计数器 .......................................................................................................................... 18 堆栈 ..................................................................................................................................... 19 算术逻辑单元 – ALU .......................................................................................................... 19 Flash 程序存储器 .........................................................................................................20 结构 ..................................................................................................................................... 20 特殊向量 .............................................................................................................................. 20 查表 ...................................................................................................................................... 20 查表范例 .............................................................................................................................. 21 在线烧录 .............................................................................................................................. 22 片上调试 – OCDS................................................................................................................ 22 数据存储器 ...................................................................................................................23 结构 ...................................................................................................................................... 23 特殊功能寄存器描述 ...................................................................................................23 间接寻址寄存器 – IAR0, IAR1 .......................................................................................... 23 存储器指针 – MP0, MP1 ..................................................................................................... 24 间接寻址程序范例 .............................................................................................................. 27 存储区指针 – BP ................................................................................................................. 27 累加器 – ACC ..................................................................................................................... 28 程序计数器低字节寄存器 – PCL ...................................................................................... 28 表格寄存器 – TBLP, TBHP, TBLH ..................................................................................... 28 状态寄存器 – STATUS ........................................................................................................ 28 EEPROM 数据存储器 .................................................................................................30 EEPROM 数据存储器结构 ................................................................................................. 30 EEPROM 寄存器 ................................................................................................................. 30 从 EEPROM 中读取数据 .................................................................................................... 32 Rev.1.70 2 Rev.1.70 3 BS83B08A-3/BS83B12A-3/BS83B16A-3 BS83B04A-4/BS83B08A-4/BS83B12A-4/BS83B16A-4 触控式 Flash 单片机 2020-03-10 写数据到 EEPROM ............................................................................................................. 32 写保护 .................................................................................................................................. 32 EEPROM 中断 ..................................................................................................................... 32 编程注意事项 ...................................................................................................................... 32 程序举例 .............................................................................................................................. 32 振荡器 ...........................................................................................................................33 振荡器概述 .......................................................................................................................... 33 系统时钟配置 ...................................................................................................................... 33 内部高速 RC 振荡器 – HIRC ............................................................................................. 34 内部低速 RC 振荡器 – LIRC .............................................................................................. 34 工作模式和系统时钟 ...................................................................................................35 系统时钟 .............................................................................................................................. 35 控制寄存器 .......................................................................................................................... 35 系统工作模式 ...................................................................................................................... 37 工作模式切换 ...................................................................................................................... 39 静态电流的注意事项 .......................................................................................................... 41 唤醒 ...................................................................................................................................... 42 编程注意事项 ...................................................................................................................... 42 看门狗定时器 ...............................................................................................................43 看门狗定时器时钟源 .......................................................................................................... 43 看门狗定时器控制寄存器 .................................................................................................. 43 看门狗定时器操作 .............................................................................................................. 44 复位和初始化 ...............................................................................................................45 复位功能 .............................................................................................................................. 45 复位初始状态 ...................................................................................................................... 48 输入 / 输出端口 ............................................................................................................55 上拉电阻 .............................................................................................................................. 56 PA 口唤醒 ........................................................................................................................... 57 输入 / 输出端口控制寄存器 ............................................................................................... 58 引脚重置功能 ...................................................................................................................... 59 输入 / 输出引脚结构 ........................................................................................................... 60 编程注意事项 ..................................................................................................................... 60 定时 / 计数器 ................................................................................................................61 配置定时 / 计数器输入时钟源 .......................................................................................... 61 定时 / 计数寄存器 – TMR .................................................................................................. 61 定时 / 计数控制寄存器 – TMRC ........................................................................................ 61 定时器操作 .......................................................................................................................... 62 预分频器 .............................................................................................................................. 62 编程注意事项 ...................................................................................................................... 62 触摸按键功能 ...............................................................................................................63 触摸按键结构 ...................................................................................................................... 63 触摸按键寄存器描述 .......................................................................................................... 63 触摸按键操作 ...................................................................................................................... 69 Rev.1.70 4 Rev.1.70 5 BS83B08A-3/BS83B12A-3/BS83B16A-3 BS83B04A-4/BS83B08A-4/BS83B12A-4/BS83B16A-4 触控式 Flash 单片机 2020-03-10 触摸按键中断 ...................................................................................................................... 72 编程注意事项 ...................................................................................................................... 72 串行接口模块 – SIM ....................................................................................................72 SPI 接口 ............................................................................................................................... 72 I 2 C 接口 ................................................................................................................................ 78 中断 ...............................................................................................................................87 中断寄存器 .......................................................................................................................... 87 中断操作 .............................................................................................................................. 90 外部中断 .............................................................................................................................. 91 时基中断 .............................................................................................................................. 91 定时 / 计数器中断 ............................................................................................................... 92 EEPROM 中断 ..................................................................................................................... 92 触控按键中断 ...................................................................................................................... 92 SIM 中断 ( 除 BS83B04A-4 外 ) ......................................................................................... 93 I 2 C 中断 (BS83B04A-4) ....................................................................................................... 93 中断唤醒功能 ...................................................................................................................... 93 编程注意事项 ...................................................................................................................... 93 应用电路 .......................................................................................................................94 指令集介绍 ...................................................................................................................95 简介 ...................................................................................................................................... 95 指令周期 .............................................................................................................................. 95 数据的传送 .......................................................................................................................... 95 算术运算 .............................................................................................................................. 95 逻辑和移位运算 .................................................................................................................. 95 分支和控制的转换 .............................................................................................................. 96 位运算 .................................................................................................................................. 96 查表运算 .............................................................................................................................. 96 其它运算 .............................................................................................................................. 96 指令集概要 ...................................................................................................................97 惯例 ...................................................................................................................................... 97 指令定义 .......................................................................................................................99 封装信息 ..................................................................................................................... 111 8-pin SOP (150mil) 外形尺寸 ............................................................................................ 112 10-pin MSOP 外形尺寸 ..................................................................................................... 113 10-pin DFN (3mm×3mm×0.75mm) 外形尺寸 .................................................................. 114 16-pin NSOP (150mil) 外形尺寸 ....................................................................................... 115 16-pin SSOP (150mil) 外形尺寸 ....................................................................................... 116 20-pin SOP (300mil) 外形尺寸 .......................................................................................... 117 20-pin SSOP (150mil) 外形尺寸 ....................................................................................... 118 24-pin SOP (300mil) 外形尺寸 .......................................................................................... 119 24-pin SSOP(150mil) 外形尺寸 ........................................................................................ 120
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