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<p class="MsoNormal"><strong><span style="mso-bidi-font-size:10.5pt;font-family:Arial;" lang="EN-US">2.4GRF</span></strong><strong><span style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">协议</span></strong><strong><span style="mso-bidi-font-size:10.5pt;font-family:Arial;" lang="EN-US">BLE</span></strong><strong><span style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">蓝牙</span></strong><strong><span style="mso-bidi-font-size:10.5pt;font-family:Arial;" lang="EN-US">4.0</span></strong><strong><span style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">协议芯片</span></strong><strong><span style="mso-bidi-font-size:10.5pt;font-family:Arial;" lang="EN-US">NRF51822</span></strong><strong><span style="mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">介绍</span></strong></p>
<p class="MsoNormal"><b><span lang="EN-US"> </span></b></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">关于</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF51 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">系列</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">多协议</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 2.4GHz </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">射频收发器拥有高性能、超低功耗以及灵活性等好处。它的主要功能包括：</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">在蓝牙低功耗模式下灵敏度为</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">-92.5dB RX</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">，</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">高达</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> +4dBm </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的输出功率；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">与</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> Nordic </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">上一代射频收发器相比，链接预算增强高达</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 9.5dBm</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">低于</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">10mA </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">的峰值电流适合</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">3V </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">纽扣电池；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">符合蓝牙低功耗（蓝牙</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 4.0 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">）标准；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">与</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> Nordic </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">现有的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF24L </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">系列</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> IC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">空中完全兼容；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">支持包括蓝牙低功耗、</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">ANT </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">和专有</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 2.4GHz </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">等协议的非并行和并行操作；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">场强</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">RSSI</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">。</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF51 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">系列</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> SoC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">大大地降低平均电流，使单芯片适用于各种无线应用。它的主要功能包括：</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">功能强大且低功耗的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 32 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">位</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> ARM Cortex-M0 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">处理器，启动时间为</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 2?s</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">，与</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 8/16 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">位处理器相比，大限度地降低了活动时间并提高了代码密度；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">细化电源管理，个别系统可独立开关，并能基于活动级别自主控制时钟；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">可编程周边互连</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> (PPI) </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">系统。周边设备，如射频收发器、计时器及</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> I/O</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">等，不需通过处理器而能自主相互作用。从而降低处理器的活动时间来节省功耗，并放宽对处理器实时要求。</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">高效的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">EasyDMA</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">射频收发器接口具有弹性</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> RAM </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">映射</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> FIFO</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">高灵活性的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">GPIO </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">映射简化了</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">  CB </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">设计，有助降低布线板层数量；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">自定义</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 2 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">区内存保护装置</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> (MPU) </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">对用户程序和预编译协议堆栈例如蓝牙低功耗和</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> ANT</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">运行时保护。</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF51 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">系列软件架构在协议堆栈和用户应用程序间具有一个独特且功能强大的分隔区，为应用程序开发人员提供最大的灵活性、开发简易性和代码安全性。</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">协议堆栈，例如蓝牙低功耗或</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> ANT</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">，可为预编译二进制码或在设备上预编程；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">堆栈为</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 100% </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">异步并由事件驱动，并向应用程序层提供线程安全管理程序调用</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> (SVC) </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的应用程序接口</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> (API)</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">简单的编程模型，没有专用的应用程序框架或计划程序</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">/RTOS </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">依存性，简化并加速了代码开发；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">协议堆栈和应用程序代码没有链接时间依存性，并可独立编译和更新</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">/</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">编程；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">堆栈受运行时保护，确保相互操作性并将应用程序错误而影响堆栈的风险降低；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">堆栈可以验证码和合格二进制目的码提供。</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF51 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">系列</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> IC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">皆为代码和管脚兼容，容许以一个基本代码，在不同项目中重新使用。管脚兼容的好处不仅能够在开发、原型制造以及生产过程中将硬件设计重新用于不同项目，还可以轻易地转移到同系另一个</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> IC</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">。</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">关于</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF51822</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">Nordic Semiconductor nRF51822 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">是一款多协议蓝牙低功耗</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">/ 2.4GHz </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">专用</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> RF</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的单芯片解决方案，广泛用于包括</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> C </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">周边、上网电视遥控器、运动</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">/</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">健身</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">/</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">保健传感器、玩具以及自动化等应用。</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">IC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">功能包括：</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">256kB </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">片上闪存和</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 16kB RAM</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">数字和混合信号周边，包括</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> SPI</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">、</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">2-wire</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">、</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">ADC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">以及正交解码器；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">16 PI</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">通道；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">撘配片上</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> LDO</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">时电源范围为</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">1.8-3.6V</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">，</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> LDO </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">旁路模式为</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">1.75-1.95V </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">片上下拉</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> DC/DC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">转换器用于</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 3V </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">电池（例如，纽扣电池）；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">片上</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">+/- 250 ppm 32kHZ RC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">振荡器，在蓝牙</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">低功耗应用，不需外部</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 32kHz </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">晶体，可节省成本和电路板空间；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">6x6mm 48 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">脚</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> QFN </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">封装，提供最多可达</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 32 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">个</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> GPIO</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">完整的蓝牙协议堆栈（到配置文件的链接层）。</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF51822 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> S110</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">是可下载、免版税、预编译二进制蓝牙低功耗堆栈，可独立编程和更新。功能包括：</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">异步和事件驱动</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">SVC </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> API</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">运行时保护；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">GATT</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">、</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">GAP </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">和</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> L2CAP </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">级别</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> API</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">周边和广播器角色；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">GATT </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">客户端</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">**</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">务器；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">和</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 2.4GHz RF </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">专用协议的非并行多协议操作；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">少于</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 128kB </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的代码和</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 6kB </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> RAM</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">，为应用程序留有超过</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 128kB </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的闪存和</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 10kB </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> RAM</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">；</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">与使用上一代</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF8001 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的双芯片应用相比，运行</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> S110 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">堆栈的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF51822 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">削减了高达</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 50% </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的功耗。</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> </span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">S110 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">堆栈和</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF51822</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">加上</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF518 SDK </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">相互配合，</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF518</span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">包含全面的蓝牙低功耗配置文件、服务以及示例应用集合。</span></p>
<p style="background:white;word-break:break-all;"><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">对于专有应用程序，</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF51822 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">提供了全新改进型</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> Gazell? 2.4GHz RF </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">协议堆栈，与</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF24L </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:arial;color:#333333;">系列</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> Gazell </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">应用程序达至互操作性。与上一代的</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> nRF24LE1 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">相比，</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US">nRF51822 </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">与全新</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> Gazell </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">协议堆栈的组合能削减高达</span><span style="font-size:9.0pt;font-family:Arial;color:#333333;" lang="EN-US"> 30% </span><span style="font-size:9.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333;">的功耗。</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><strong><span style="color:silver;">XUNTONG TECHNOLOGY
CO.,LTD</span></strong></p>
<p class="MsoNormal"><strong><span style="color:silver;">Add:5D/5E,JiaLiTai
Building,NO.45 YanShan Road,SheKou</span></strong></p>
<strong><span style="color:silver;">NanShan
District,ShenZhen Postcode:518067</span></strong><b><span style="color:silver;"><br />
<strong>E-Mail
:nrf300@rfbit.com</strong><br />
<strong>Tel:
0755-26674772-817</strong><br />
<strong>Fax:
0755-26674749</strong><br />
<strong>Mobile:18620319125</strong></span></b> |
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发表于 2014-3-20 09:44:05
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