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<p><em>爱都科技</em><em>ID205G</em><em>时尚智能手表采用</em><em>Nordic</em><em>的</em><em>nRF52840</em><em>来处理多传感器数据并将其中继传输到智能手机</em><em>app</em></p>

<p><span>挪威奥斯陆</span><span><span>&nbsp;</span>– 2020</span><span>年10月29日</span><span><span>&nbsp;</span>–</span><span>Nordic Semiconductor</span><span>宣布</span><span>总部位于深圳的智能可穿戴设备企业</span><span>深圳市</span><span>爱都科技有限公司选择使用</span><span>Nordic</span><span>的</span><span>nRF52840</span><span>低功耗</span><span>蓝牙</span><em><span>&nbsp;</span></em><span>(</span><em>Bluetooth</em><span>®</span><span><span>&nbsp;</span>Low Energy /Bluetooth LE)</span><span>先进多协议芯片级系统</span><span><span>&nbsp;</span>(SoC)</span><span><span>&nbsp;</span>为其集成GPS芯片</span><span>的</span><span>“ID205G”</span><span>智能手表提供核心处理能力和无线连接。</span></p>

<p><span>这款可穿戴设备配置</span><span>1.3</span><span>英寸</span><span>TFT-LCD</span><span>彩色触摸屏,内置心率传感器、加速度计和陀螺仪,专为需要时尚智能手表外形和详细健康及健身数据监测的用户而设计。</span><span>nRF52840 SoC</span><span>的</span><span>64MHz</span><span>、</span><span>32</span><span>位</span><span>Arm®Cortex®M4</span><span>处理器带有浮点单元</span><span>(FPU)</span><span>,提供充足的计算能力来运行复杂的传感器算法,使得这款智能手表能够精确地跟踪和计算运动和活动数据。</span><span>这款智能手表内置GPS芯片,可独立使用,用户无需携带手机也能追踪全天的运动轨迹。</span></p>

<p><span>凭借</span><span>Nordic SoC</span><span>提供的低功耗蓝牙连接功能(支持蓝牙</span><span>4.0</span><span>及以上),用户可实现手表与</span><span>iOS</span><span>或安卓系统的智能手机进行配对。爱都科技的</span><span>“VeryFitPro”app</span><span>不仅可让用户</span><span>查看</span><span>其活动、健康数据和趋势,还可以修改智能手表的设置和功能。例如,</span><span>凭借</span><span>Nordic SoC</span><span>提供的低功耗蓝牙连接功能(支持蓝牙</span><span>4.0</span><span>及以上),用户可实现手表与</span><span>iOS</span><span>或安卓系统的智能手机进行配对。</span></p>

<p><span>ID205G</span><span>智能手表采用</span><span>210mAh</span><span>锂聚合物电池供电,在标准使用情况下可运行</span><span>5</span><span>至</span><span>7</span><span>天,充电后可在待机模式下运行长达</span><span>40</span><span>天,其中一个原因是</span><span>Nordic SoC</span><span>的超低功耗特性。</span><span>nRF52840 SoC</span><span>经过精心设计,可通过全自动电源管理系统将功耗降至最低,与</span><span>nRF51</span><span>系列相比,其功耗降低多达</span><span>80%</span><span>。</span></p>

<p><span>nRF52840 SoC</span><span>的</span><span>Arm Cortex M4</span><span>处理器与</span><span>2.4GHz</span><span>多协议无线电</span><span>(</span><span>支持蓝牙</span><span>5.2</span><span>、</span><span>ANT™</span><span>、</span><span>Thread</span><span>、</span><span>Zigbee</span><span>、</span><span>IEEE 802.15.4</span><span>和专有</span><span>2.4GHz RF</span><span>协议软件</span><span>)</span><span>结合,并提供充足的</span><span>1MB</span><span>闪存和</span><span>256kB RAM</span><span>内存分配。具有片上功率放大器的新型无线电架构具</span><span>-95 dBm RX</span><span>灵敏度</span><span>(</span><span>在</span><span>1Mbps</span><span>低功耗蓝牙</span><span>)</span><span>,最大输出功率为</span><span>8dBm</span><span>,总体链路预算为</span><span>103dBm</span><span>。</span><span>nRF52840 SoC</span><span>随附</span><span>Nordic</span><span>的</span><span>S140 SoftDevice</span><span>一起提供,后者是经过蓝牙</span><span>5</span><span>认证的软件协议栈,用于构建远程和高数据吞吐量低功耗蓝牙应用。</span><span>S140 SoftDevice</span><span>提供并发的中央、外设、广播者和观察者低功耗蓝牙角色,并且支持高吞吐量和长距离模式以及广播扩展功能。</span></p>

<p><span>爱都科技首席执行官兼研发部负责人</span><span>何岸先生</span><span>表示:</span><span>“</span><span>当我们选择</span><span>SoC</span><span>时,主要考虑因素是尺寸、可用性和出色的功耗性能,</span><span>因此</span><span>我们选择</span><span>了</span><span>nRF52840</span><span>。</span><span>”</span></p>

<p><span>“</span><span>使用</span><span>Nordic</span><span>的开发工具套件和示例来开发应用程序代码是非常直接的,如果我们遇到问题,</span><span>Nordic</span><span>技术工程师能够提供快速且有用的技术支持来克服。</span><span>”</span></p>

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