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EFR32FG14 无线解决方案将节能型微控制器 (MCU) 与支持 2.4 GHz 和 1 GHz 以下专有无线协议的高度集成无线电收发器相结合。该单芯片解决方案非常适用于专有调制方式,包括 OOK、成形 FSK、成形 OQPSK、DSSS 调制技术和 FEC,可提供行业领先的能源效率、超快的唤醒时间、可扩展的功率放大器、集成的平衡-不平衡转换器以及性能不妥协的 MCU 功能。

关键参数

  • 40MHz Cortex-M4 (67 µA/MHz)
  • 32KB SRAM + 256 kB Flash
  • 集成的 2.4 GHz BALUN 和功率放大器
    • -103.3 dBm @125 kbps,GFSK
    • -103.3 dBm @250 kbps,DSSS-OQPSK
    • 可编程的输出功率:+19.5 dBm
    • 有源模式 RX:8.8 mA @1 Mbps,2 GFSK
    • 有源模式 TX:8.5 mA @0 dBm , 34 mA @10.5 dBm
    • 低功率收音机包括 RFSENSE (51 nA)
    • 天线分集
  • Sub-GHz专有协议,无线 M-BUS,支持的调制:2/4 (G)FSK,OQPSK/(G)MSK,OOK/ASK,BPSK/DBPSK,可选的 DSSS 调制技术和 FEC 信道编码
    • -126.2 dBm @600 bps, GFSK, 915 MHz
    • -120.6 dBm @2.4 kbps, GFSK, 868 MHz
    • -109.9 dBm @4.8 kbps, OOK, 433 MHz
    • -112.2 dBm @38.4 kbps, GFSK, 169 MHz
    • 可编程的输出功率:+20 dBm
    • 有源模式 RX:8.6 mA @38.4 kbps,2GFSK
    • 有源模式 TX:20.3 mA @10 dBm, 433 MHz,35.3 mA @14 dBm, 868 MHz
    • 天线分集
  • 能耗模式 2 (深度睡眠)电流:1.3 µA
  • 超快唤醒:从 EM3 仅 3 µS
  • 1.8 至 3.8 V 的宽电源电压范围

EFR32FG14

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Contributors

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