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efr32mg24's Introduction

EFR32MG24 是使用 Matter、OpenThread 和 Zigbee 协议实现网状物联网无线连接的理想选择,适用于智能家居、照明和楼宇自动化产品。

凭借高性能 2.4 GHz RF、低电流消耗、AI/ML 硬件加速器和 Secure Vault™ 等关键功能,物联网设备制造商可以创建智能、稳健、节能的产品,避免远程和本地网络攻击。ARM Cortex® -M33 运行高达 78 MHz、1.5 MB 的闪存和 256kB 的 RAM,可为要求苛刻的应用程序提供资源,同时为未来增长留出空间。

关键参数

  • 78 MHz Cortex-M33 + DSP (50.9 µA/MHz)
  • 256 KB SRAM + 1536 KB Flash
  • 2.4GHz射频性能
    • -105.4 dBm 灵敏度(在 250 kbps OQPSK DSSS 条件下)
    • -105.7 dBm 灵敏度(在 125 Kbps GFSK 条件下)
    • -97.6 dBm 灵敏度 @ 1 Mbit/s GFSK
    • -94.8 dBm 灵敏度(在 2 Mbit/s GFSK 条件下)
    • 高达 19.5 dBm 的 TX 电源
  • 超低功耗表现
    • 4.4 mA RX 电流(在 1 Mbps GFSK 条件下)
    • 5.1 mA RX 电流(在 250 kbps OQPSK DSSS 条件下)
    • 5 mA TX 电流(在 0 dBm 输出功率条件下)
    • 19.1 mA TX 电流(在 10 dBm 输出功率条件下)
    • 156.8 mA TX 电流(在 19.5 dBm 输出功率条件下)
    • 33.4 μA/MHz(活动模式 (EM0),在 39.0 MHz 条件下)
    • 1.3 μA EM2 深度睡眠电流(16 kB RAM 保留并从 LFRCO 运行 RTC)
  • IADC: 12 位 @ 1 Msps 或 16 位 @ 76.9 ksps, 部分 OPN 支持高速模式(高达 2 Msps)和高精度模式(16 ksps 时高达 3.8 位 ENOB)
  • 2 × 模拟比较器 (ACMP)
  • 2 × 数模转换器 (VDAC)

EFR32MG24 是涂鸦Thread模组 TS24 系列的主控芯片。主要应用领域是 Matter over Thread

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