如何在智能家居系统里，实现短距离无线通信功能？拆解：低功耗蓝牙芯片PHY6233
本帖最后由 wintec2022 于 2024-12-27 16:27 编辑<div data-hash="f4e0c9f31f419f9598e7f4b2667a6f1d" data-version="3.0.0" home.php="" inner_data_type="webData" tdoc-data-src="{"mainStory":[{"operationType":"InsertText","param":{"text":"基本描述：PHY6233是一款高度集成的无线通信芯片，主要用于实现短距离无线通信功能。它基于蓝牙和BLE技术标准，能够在2.4GHz 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<div>
<div style="text-align: center;"></div>
<p>应用范围：</p>
<p>物联网传感器网络：用于各种物联网传感器节点，如环境监测传感器（温度、湿度、空气质量等）、智能电表等。这些传感器可以通过PHY6233将采集到的数据发送到网关或者云端服务器，实现远程监控和数据采集。</p>
<p>智能家居设备：在智能家居系统中，PHY6233可用于连接各种智能设备，如智能灯泡、智能插座、智能门锁等。用户可以通过手机应用程序，借助蓝牙和BLE技术控制这些设备，实现家居自动化。</p>
<p>在智能手表、智能手环等设备中，PHY6233可用于实现与手机等设备的连接。例如，它可以将智能手环收集到的运动数据（如步数、心率等）通过蓝牙传输到手机上的配套应用程序中，让用户能够方便地查看和分析这些数据。</p>
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<p>关键特点：</p>
<p>- 带SWD的32位处理器（最高 64MHz）</p>
<p>- 内存</p>
<p>➢ 64KB ROM</p>
<p>➢ 8KB保留SRAM</p>
<p>➢ 16KB OTP</p>
<p>➢ EEPROM（可选）</p>
<p>- 19/11/3通用I/O引脚</p>
<p>➢ 可配置为串行接口和可编程IO MUX功能映射</p>
<p>➢ 所有引脚均可配置为唤醒功能</p>
<p>➢ 触发中断的所有引脚</p>
<p>➢ 3个正交解码器 (QDEC)</p>
<p>➢ 6通道PWM</p>
<p>➢ 1通道I2C</p>
<p>➢ 1通道SPI主控</p>
<p>➢ UART</p>
<p>➢ SWD</p>
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<p>➢ US.B 2.0</p>
<p>- 10通道12位ADC</p>
<p>- 4通道32位定时器，1个看门狗定时器</p>
<p>- 实时钟计数器 (RTC)</p>
<p>- 电源、时钟、复位控制器</p>
<p>- 灵活的电源管理</p>
<p>工作电压范围1.8V至5.0V</p>
<p>➢ 支持锂电池充电</p>
<p>➢ 嵌入式 LDO</p>
<p>➢ 电池监控器：支持低电量检测</p>
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<p>- 功耗</p>
<p>➢ 0.7uA@OFF模式（仅IO唤醒）</p>
<p>➢ 2uA@Sleep模式，带32KHz RTC</p>
<p>➢ 接收模式：10mA@3.3V电源</p>
<p>➢ 发射模式：10mA（0dBm输出功率）@3.3V电源</p>
<p>- RC振荡器硬件校准</p>
<p>➢ 用于RTC的32KHz RC振荡器，精确度为+/-200ppm</p>
<p>➢ 用于HCLK的32MHz RC振荡器，精确度为3%</p>
<p>- BLE</p>
<p>➢ 蓝牙SIG 5.2</p>
<p>➢ 支持主从</p>
<p>- 2.4GHz收发器</p>
<p>➢ 支持BLE 5.2 RF PHY 1Mbps/2Mbps</p>
<p>➢ 专有500K协议栈</p>
<p>➢ FSK，带可配置的高斯滤波器</p>
<p>(可配置调制指数）</p>
<p>➢ 灵敏度</p>
<p>-96dBm@ble 1Mbps 数据速率</p>
<p>-93dBm@BLE 2Mbps 数据速率</p>
<p>➢ 发射功率-20至+10dBm，每级3dB</p>
<p>➢ 单针天线：无需射频匹配或Rx/Tx 切换</p>
<p>➢ RSSI（1分贝分辨率）</p>
<p>- AES-128加密硬件</p>
<p>- 工作温度：-40˚C~+125˚C</p>
<p>- RoHS封装：SSOP24/SOP16/SOP8</p>
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