C8051F430中文资料.pdf

C8051F410/1/2/3 混合信号 ISP FLASH 微控制器

目 录1 . 系统概述 ........................................................................................................................................81.1 CIP-51TM 微控制器核...........................................................................................................121.1.1 与 8051 完全兼容.............................................................................................................121.1.2 速度提升 ..........................................................................................................................121.1.3 增加的功能.......................................................................................................................121.2 片内调试电路..........................................................................................................................131.3 片内存储器..............................................................................................................................141.4 工作方式..................................................................................................................................151.5 12 位模/数转换器.....................................................................................................................161.6 12 位电流输出DAC .................................................................................................................171.7 可编程比较器..........................................................................................................................171.8 循环冗余检查单元..................................................................................................................181.9 稳压器......................................................................................................................................181.10 串行端口................................................................................................................................181.11 SMARTCLOCK（实时时钟）..................................................................................................191.12 端口输入/输出.......................................................................................................................201.13 可编程计数器阵列................................................................................................................212. 极限参数 .......................................................................................................................................223. 总体直流电气特性 .......................................................................................................................234. 引脚和封装定义 ...........................................................................................................................255. 12 位ADC（ADC0）....................................................................................................................335.1 模拟多路选择器......................................................................................................................345.2 温度传感器..............................................................................................................................345.3 工作方式..................................................................................................................................355.3.1 转换启动方式...................................................................................................................355.3.2 跟踪方式 ..........................................................................................................................355.3.3 时序 ..................................................................................................................................365.3.4 跟踪方式 ..........................................................................................................................385.3.5 输出转换码.......................................................................................................................395.3.6 建立时间要求...................................................................................................................405.4 可编程窗口检测器 ................................................................................................................465.4.1 窗口检测器 .......................................................................................................................476. 12 位电流模式DAC（IDA0 和IDA1） .......................................................................................506.1 IDA0 输出更新......................................................................................................................502 新华龙电子有限公司 电话: 0755-83645240 83645242 传真: 0755-83645243C8051F410/1/2/3 混合信号 ISP FLASH 微控制器6.1.1 On-Demand输出更新.....................................................................................................506.1.2 基于定时器溢出的输出更新模式.................................................................................516.1.3 基于CNVSTR边沿的输出更新模式 ..............................................................................516.2 IDAC输出字格式...................................................................................................................516.3 IDAC外部引脚连接...............................................................................................................557. 电压基准 .......................................................................................................................................588. 稳压器（REG0）.........................................................................................................................619. 比较器 ...........................................................................................................................................6310. CIP-51 微控制器 ........................................................................................................................7310.1 指令集....................................................................................................................................7410.1.1 指令和CPU时序.............................................................................................................7410.1.2 MOVX指令和程序存储器............................................................................................7410.2 寄存器说明............................................................................................................................7810.3 电源管理方式........................................................................................................................8110.3.1 空闲方式 ........................................................................................................................8110.3.2 停机方式 ........................................................................................................................8110.3.3 挂起方式 ........................................................................................................................8111. 存储器组织和SFR ......................................................................................................................8311.1 程序存储器............................................................................................................................8311.2 数据存储器............................................................................................................................8411.3 通用寄存器............................................................................................................................8411.4 位寻址空间............................................................................................................................8411.5 堆栈........................................................................................................................................8411.6 特殊功能寄存器....................................................................................................................8512. 中断系统 .....................................................................................................................................8912.1 MCU中断源和中断向量........................................................................................................8912.2 中断优先级............................................................................................................................8912.3 中断响应时间........................................................................................................................8912.4 中断寄存器说明....................................................................................................................9112.5 外部中断................................................................................................................................9613. 指令预取引擎 .............................................................................................................................9814. 循环冗余检查单元（CRC0）...................................................................................................9914.1 CRC计算前的准备.................................................................................................................9914.2 执行CRC计算........................................................................................................................9914.3 访问CRC结果........................................................................................................................99新华龙电子有限公司 电话: 0755-83645240 83645242 传真: 0755-83645243 3 C8051F410/1/2/3 混合信号 ISP FLASH 微控制器14.4 CRC0 的位反转功能............................................................................................................10015. 复位源 .......................................................................................................................................10315.1 上电复位..............................................................................................................................10415.2 掉电复位和VDD监视器 .....................................................................................................10515.3 外部复位..............................................................................................................................10615.4 时钟丢失检测器复位..........................................................................................................10615.5 比较器 0 复位......................................................................................................................10615.6 PCA看门狗定时器复位.....................................................................................................10715.7 FLASH错误复位................................................................................................................10715.8 SMARTCLOCK（实时时钟）复位 .......................................................................................10715.9 软件复位..............................................................................................................................10716. FLASH存储器...........................................................................................................................11016.1 FLASH存储器编程............................................................................................................11016.1.1 FLASH锁定和关键码功能.........................................................................................11016.1.2 FLASH擦除.................................................................................................................11016.1.3 FLASH写..................................................................................................................... 11116.2 非易失性数据存储 ............................................................................................................11216.3 安全选项 ............................................................................................................................11216.4 FLASH写和擦除指南........................................................................................................11516.4.1 VDD维护和VDD监视器 ............................................................................................11516.4.2 PSWE维护 ..................................................................................................................11616.4.3 系统时钟.....................................................................................................................11616.5 FLASH读定时....................................................................................................................11817．外部RAM.................................................................................................................................12018. 端口输入/输出 ..........................................................................................................................12118.1 优先权交叉开关译码器..................................................................................................12218.2 端口I/O初始化 ................................................................................................................12518.3 通用端口I/O ....................................................................................................................12919. 振荡器 .......................................................................................................................................13619.1 可编程内部振荡器..............................................................................................................13719.1.1 内部振荡器挂起方式.................................................................................................13719.2 外部振荡器驱动电路..........................................................................................................13919.2.1 外部振荡器直接用作定时器时钟...............................................................................13919.2.2 外部晶体示例...............................................................................................................13919.2.3 外部RC示例 .................................................................................................................14019.2.4 外部电容示例...............................................................................................................14119.3 时钟乘法器 ........................................................................................................................1434 新华龙电子有限公司 电话: 0755-83645240 83645242 传真: 0755-83645243C8051F410/1/2/3 混合信号 ISP FLASH 微控制器19.4 系统时钟选择......................................................................................................................14520. SMARTCLOCK（实时时钟）................................................................................................14720.1 SMARTCLOCK接口 ...............................................................................................................14820.1.1 smaRTClock锁定和关键码功能 ...................................................................................14820.1.2 使用RTC0ADR和RTC0DAT访问smaRTClock的内部寄存器.....................................14820.1.3 smaRTClock接口的自动读功能 ...................................................................................14920.1.4 RTC0ADR自动增 1 功能...............................................................................................14920.2 SMARTCLOCK时钟源 ...........................................................................................................15220.2.1 使用smaRTClock振荡器的晶体方式 ..........................................................................15220.2.2 使用smaRTClock振荡器的自振荡方式 ......................................................................15220.2.3 自动增益控制（仅限于晶体方式）...........................................................................15320.2.4 smaRTClock偏置加倍...................................................................................................15320.2.5 smaRTClock时钟丢失检测器 .......................................................................................15320.3 SMARTCLOCK定时器和报警功能 .......................................................................................15520.3.1 设置和读取smaRTClock定时器值 ..............................................................................15520.3.2 设置smaRTClock报警值 ..............................................................................................15620.4 后备稳压器和后备RAM.....................................................................................................15721. SMBUS.......................................................................................................................................16121.1 支持文档..............................................................................................................................16221.2 SMBUS配置........................................................................................................................16221.3 SMBUS操作........................................................................................................................16321.3.1 总线仲裁 ......................................................................................................................16321.3.2 时钟低电平扩展...........................................................................................................16421.3.3 SCL低电平超时..........................................................................................................16421.3.4 SCL高电平（SMBus空闲）超时...............................................................................16421.4 SMBUS的使用....................................................................................................................16421.4.1 SMBus配置寄存器 .....................................................................................................16521.4.2 SMBus控制寄存器 .....................................................................................................16821.4.3 数据寄存器...................................................................................................................17121.5 SMBUS传输方式................................................................................................................17221.5.1 主发送器方式...............................................................................................................17221.5.2 主接收器方式...............................................................................................................17321.5.3 从接收器方式...............................................................................................................17421.5.4 从发送器方式...............................................................................................................17521.6 SMBUS状态译码................................................................................................................17622. UART0 .......................................................................................................................................17822.1 增强的波特率发生器..........................................................................................................17922.2 工作方式..............................................................................................................................181新华龙电子有限公司 电话: 0755-83645240 83645242 传真: 0755-83645243 5 C8051F410/1/2/3 混合信号 ISP FLASH 微控制器22.2.1 8 位UART....................................................................................................................18122.2.2 9 位UART....................................................................................................................18222.3 多机通信..............................................................................................................................18323. 增强型串行外设接口（SPI0） ...............................................................................................18823.1 信号说明..............................................................................................................................18923.1.1 主输出、从输入（MOSI）.........................................................................................18923.1.2 主输入、从输出（MISO）.........................................................................................18923.1.3 串行时钟（SCK） .......................................................................................................18923.1.4 从选择（NSS）............................................................................................................18923.2 SPI0 主方式 .......................................................................................................................19123.3 SPI0 从方式 .......................................................................................................................19223.4 SPI0 中断源 .......................................................................................................................19223.5 串行时钟时序......................................................................................................................19323.6 SPI特殊功能寄存器...........................................................................................................19424. 定时器 .......................................................................................................................................20024.1 定时器 0 和定时器 1............................................................................................................20024.1.1 方式 0 — 13 位计数器/定时器....................................................................................20024.1.2 方式 1 ...........................................................................................................................20224.1.3 方式 2 ...........................................................................................................................20224.1.4 方式 3 ...........................................................................................................................20324.2 定时器 2...............................................................................................................................20824.2.1 16 位自动重装载方式................................................................................................20824.2.2 8 位自动重装载定时器方式......................................................................................20924.2.3 外部/smaRTClock捕捉方式.......................................................................................21024.3 定时器 3...............................................................................................................................21324.3.1 16 位自动重装载方式................................................................................................21324.3.2 8 位自动重装载定时器方式......................................................................................21424.3.3 外部/smaRTClock捕捉方式.......................................................................................21525. 可编程计数器阵列 ...................................................................................................................21825.1 PCA计数器/定时器 ...........................................................................................................21925.2 捕捉/比较模块.....................................................................................................................22125.2.1 边沿触发的捕捉方式...................................................................................................22225.2.2 软件定时器方式...........................................................................................................22325.2.3 高速输出方式...............................................................................................................22425.2.4 频率输出方式...............................................................................................................22525.2.5 8 位脉宽调制器方式..................................................................................................22625.2.6 16 位脉宽调制器方式................................................................................................22725.3 看门狗定时器方式..............................................................................................................2286 新华龙电子有限公司 电话: 0755-83645240 83645242 传真: 0755-83645243C8051F410/1/2/3 混合信号 ISP FLASH 微控制器25.3.1 看门狗定时器操作.......................................................................................................22825.3.2 看门狗定时器的使用...................................................................................................22925.4 PCA寄存器说明.................................................................................................................23126. C2 接口.......................................................................................................................................23526.1 C2 接口寄存器...................................................................................................................23526.2 C2 引脚共享.......................................................................................................................237