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睿能科技全資子公司 股票簡稱:睿能科技 股票代碼:603933

低功耗小無線方案

功能特點                                                                                    ◆ 更新設計,敬請關注網頁右下角官方微信平臺

 

        采用EFM32ZG108F16+Silicon Labs公司Si4455方案

        ● 該測試板配合Silabs 4455-LED-434演示板可做通訊演示

        ● 整機采用紐扣電池(標準:CR3032)供電,低功耗模式:

           - 整機睡眠1.2s,休眠整機電流約0.9uA;喚醒RF接收;
             整機蘇醒工作2.95ms,如此周期性工作。

        ● RF采用Si4455方案,物理層定義如下:

           - 頻率433.000000MHZ

           - 頻偏200KHZ

           - 調制方式2-FSK

           - 通訊速率250KHZ

           - 采用數據軟件解白化,CRC校驗處理

           - 同步字格式:0X33333333

           - 接收變長數據包<=64字節

        ● 體積小巧,攜帶方便,方便用戶評估測試

 

 

關鍵型號

 

Part Output Power 868 MHz  Output Power 434 MHz Supply Voltage Package  FSK Description
OOK  Sensitivity
Frequency Bands
Si4455
12 dBm
13 dBm 1.8 - 3.6 V QFN20
500 kbps
TRX 120 kbps
-116 dBm
315 MHz; 434 MHz; 868 MHz; 915 MHz

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