<p> 丨<u>产品</u>介绍丨</p> 

讯享网Hol<u>te</u>k宣布推出全新一代32-Bit <u>Arm</u>Cortex-M0+光模块DDM <u>MCU</u> -HT32F52234/HT32F52244系列<u>单片机</u>。此系列专为光模块设计，带有1个12通道转换速度达1Msps 12-bit SAR <u>ADC</u>，并带有可配置电压<u>VR</u>EF可作为内部参考电压源，可帮助用户监控光模块的RX/TX功率、电压、温度、偏置<u>电流</u>等实时<u>参数</u>，实现数字诊断监控功能(DDM)。3个I²C<u>接口</u>支持1MHz主从机模式及支持无<u>时钟</u>延展功能其最高传输速率可达400kbps。配有4通道<u>DAC</u><u>转换器</u>，可用于光模块相关的功能应用。最小封装提供24QFN(3×3mm)，满足光模块应用领域的小封装需求。</p> 

讯享网

HT32F52234/HT32F52244操作电压为1.65V~3.6V，操作温度范围提升至-40℃~105℃<u>工业</u>温度范围，最高指令周期可达60MHz，Flash最大容量为64KB，S<u>RAM</u>最高容量达8KB，搭载6通道P<u>DMA</u>，并提供耐受5V电压输入的GPIO。此系列具备丰富的周边资源，包括：PWM×1、SCTM×2、BFTM×2、RTC×1、WDT×1、SPI×1、USART×1、<u>UART</u>×1、I²C×3，并提供硬件除法器DIV及数据检查机制CRC16/32，12外部通道1Msps 12-bit SAR <u>AD</u>C，此外也带有4通道500ksps 12-bit DAC转换器，系列封装提供24/32/46QFN及48LQFP，GPIO脚最大达40。</p> 

讯享网HT32支持多种开发环境(<u>Keil</u>/IAR/SEGGER/GNU)，并提供硬件开发工具包、周边驱动函数库(Firmware Library)及应用范例等完整的开发资源。全系列M0+ MCU取得Keil MDK-ARM用户许可证，可提供客户免费使用。搭配ISP(In-System Programming)及IAP(In-Appl<u>ic</u>ation Programming)技术方案，可轻易升级韧体。HT32系列可提供UL/IEC 60730-1 Class B<u>认证</u>MCU自检程序(Safety Test Library) ，协助客户缩短IEC 60730-1 Class B产品认证时间。</p> 

 产品<u>规格</u></td> </tr><tr style="height:auto;"><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>Part NO.</strong></td> <td colspan="1" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="32%"> HT32F52234</td> <td colspan="1" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="32%"> HT32F52244</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>Max.<br /> Freq.</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> 60MHz</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>VDD</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> 1.65V~3.6V</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>Flash</strong></td> <td colspan="1" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="32%"> 32KB</td> <td colspan="1" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="32%"> 64KB</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>SRAM</strong></td> <td colspan="1" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="32%"> 4KB</td> <td colspan="1" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="32%"> 8KB</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>PDMA</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> 6CH</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>ADC</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> 1Msps<br /> 12-bit×12</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>DAC<br /> CH</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> 500ksps<br /> 12-bit×4</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong><u>Ti</u>mer</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> BFTM×2<br /> SCTM×2<br /> PWM×1</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>RTC</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> √</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>Interface</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> USART×1<br /> UART×1<br /> SPI×1<br /> I²C×3</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>Othe<u>rs</u></strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> CRC<br /> DIV</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>Max.<br /> I/O</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> 40</td> </tr><tr><td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(230,230,230);padding:0px;" width="35%"> <strong>Package</strong></td> <td colspan="2" rowspan="1" style="border-width:1px;border-color:rgb(255,255,255);border-style:solid;background-color:rgb(192,210,238);padding:0px;" width="65%"> 24QFN<br /> 32QFN<br /> 46QFN<br /> 48LQFP</td> </tr></tbody></div><p> </p>