产品概述
<p style="line-height: 21px; white-space: normal;">内置高精度振荡、12位ADC 、4个定时器、2路UART、1路I2C、1路SPI、8K Flash存储器和128B可编程E2PROM的8位MCU。</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;">产品特性 :<br/></p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>8 位 8051 内核 CPU，兼容 MCS51 指令集</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>内置 8K+64 字节 FLASH， 128 字节 EEPROM，256 字节 SRAM，256字节XRAM</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>工作电压为 1.8V~5.5V；最高工作频率 16MHz</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>内置上电复位电路（POR）</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>内置低压复位电路（LVR），8 个复位点可选：1.8V/2.0V/2.5V/2.6V/2.8V/3.0V/3.5V/4.0V</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>内置低压检测电路（LVD），8 个检测点可选：2.2V/2.4V/2.5V/2.7V/2.9V/3.1V/3.65V/4.5V</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>内置 32.768KHz 低频 RCL</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>内置 16MHz 高精度 RCH，精度±1.5%</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>支持外部输入外部高频振荡 4~16MHz，或者外部低频振荡 32.768KHz</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· 4</span>个 16 位定时器，T2 具备捕获功能</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>1 个 8 位 WT 定时器</p><p style="line-height: 21px; white-space: normal;"><span style="color: #333333; font-family: "Microsoft YaHei"; background-color: #FFFFFF;">· </span>内置独立看门狗(IWDT)和窗口看门狗(WWDT)</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>最多支持 22个 I/O</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>2 路 UART 通讯口, 1 路 I2C,1路SPI通讯口</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· 2 </span>路轨到轨的模拟比较器（ACMP）</p><p style="line-height: 21px; white-space: normal;"><span style="font-family: 微软雅黑, "Microsoft YaHei";"><span style="color: #333333; background-color: #FFFFFF;">· </span>内置16通道的12位精度ADC</span></p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>内置温度传感器(VTS)，精度 4mV/ o C</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>工作模式：正常工作模式、休眠模式、停机模式</p><p style="line-height: 21px; white-space: normal;"><span style="color: #333333; font-family: "Microsoft YaHei"; background-color: #FFFFFF;">· </span>工作温度： Tj= -40oC - +105oC</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; box-sizing: border-box; outline: none; padding: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-family: "Microsoft YaHei"; color: rgb(51, 51, 51); background-color: rgb(255, 255, 255); line-height: 32px !important;"><span style="box-sizing: border-box; outline: none; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: 32px !important;">· </span>封装类型：TSSOP20</p>
