EFR32FG1 Flex Gecko 专有协议 SoC 系列资 料简介 Flex Gecko 专有协议 SoC 系列是无线 Gecko 产品系列的组成部 分。 Flex Gecko SoC 是实现 IoT 设备上节能的专有协议连网的理 想之选。 主要特点 • 32 位 ARM® Cortex®-M4 内核，最高工作 频率为 40 MHz 此单芯片解决方案可实现行业领先能效，具有超快唤醒速度，配备可扩展功率放大器、集 成平衡-不平衡转换器和高性能 MCU。 • 提供可扩展存储器和射频配置选项，使用兼 容多种引脚的 QFN 封装 Flex Gecko 应用包括： • 12 信道外围设备反射系统，可实现 MCU 外 围设备的自主交互 • • • • • • 自主硬件加密加速器和随机数生成器 商业和零售 住宅和建筑自动化及安全 测量 电子货架标签 工业自动化 • 集成的 2.4 GHz 平衡-不平衡转换器和发射 功率高达 19.5 dBm 的功率放大器 (PA) • 集成直流到直流，带有 RF 噪声消减功能 Core / Memory ARM CortexTM M4 processor with DSP extensions and FPU Flash Program Memory Clock Management Memory Protection Unit RAM Memory Debug Interface DMA Controller Energy Management Other High Frequency Crystal Oscillator High Frequency RC Oscillator Voltage Regulator Voltage Monitor CRYPTO Low Frequency RC Oscillator Auxiliary High Frequency RC Oscillator DC-DC Converter Power-On Reset CRC Low Frequency Crystal Oscillator Ultra Low Frequency RC Oscillator Brown-Out Detector 32-bit bus Peripheral Reflex System RFSENSE Serial Interfaces FRC DEMOD LNA PGA IFADC I/O Ports Timers and Triggers External Interrupts Timer/Counter Protocol Timer ADC Low Energy UARTTM General Purpose I/O Low Energy Timer Watchdog Timer Analog Comparator I2C Pin Reset Pulse Counter Real Time Counter and Calendar Q IDAC AGC Frequency Synthesizer RAC PA Analog I/F USART RF Frontend CRC BALUN I BUFC Radio Transceiver MOD Pin Wakeup Cryotimer Lowest power mode with peripheral operational: EM0—Active EM1—Sleep silabs.com | Smart. Connected. Energy-friendly. EM2—Deep Sleep EM3—Stop EM4—Hibernate EM4—Shutoff Rev. 0.1 EFR32FG1 Flex Gecko 专有协议 SoC 系列资料简介 功能列表 1. 功能列表 EFR32FG1 重要功能如下所列。 • 低功耗无线片上系统。 • 高性能 32 位 40 MHz ARM Cortex®-M4，带有 DSP 指令和浮 点单元，可实现高效的信号处理 • 高达 256 kB 的闪存编程存储器 • 高达 32 kB 的 RAM 数据存储器 • 2.4 GHz 射频 • TX 功率高达 19.5 dBm • 低能耗 • 在 2.4 GHz 时，RX 电流为 8.7 mA • 在 2.4 GHz 时，0 dBm 输出功率下的 TX 电流为 8.8 mA • 在活动模式 (EM0) 下，运行功耗仅为 63 μA/MHz • 在 EM2 深度睡眠模式（完整保留 RAM，RTCC 从 LFXO 中运 行）下，电流为 1.4 μA • 在 EM3 停止模式（状态/RAM 保留）下，电流为 1.1 μA • 无线模块唤醒，带有信号强度检测，前导模式检测，帧检测 和超时 • 卓越的接收器性能 • 在 1 Mbit/s GFSK (2.4GHz)时，具备 -94 dBm 灵敏度 • 支持的调制格式 • 可完全配置整形的 2-FSK / 4-FSK • 成形的 OQPSK / (G)MSK • 可配置的 DSSS 和 FEC • 支持的协议 • 2.4 GHz 专有协议 • 支持互联网安全 • 通用 CRC • 随机数生成器 • 用于 AES 128/256、SHA-1、SHA-2（SHA-224 和 SHA-256） 以及 ECC 的硬件加密加速 silabs.com | Smart. Connected. Energy-friendly. • 可选多种 MCU 外围设备 • 12 位 1 Msps SAR 模拟数字转换器 (ADC) • 2× 模拟比较器 (ACMP) • 数字模拟电流转换器 (IDAC) • 多达 31 个引脚连接至模拟比较器、ADC 和 IDAC 共享的模 拟信道 (APORT) • 多达 31 个通用 I/O 引脚，带有输出状态保留和异步中断 • 8 信道 DMA 控制器 • 12 信道外围设备反射系统 (PRS) • 2×16 位定时器/计数器 • 3 + 4 比较/捕获/PWM 信道 • 32 位实时计数器和日历 • 16 位低能耗定时器，用于波形生成 • 32 位超低能耗定时器/计数器，可用于任何能源模式的定期 唤醒 • 16 位脉冲计数器，带有异步操作 • 看门狗定时器，带有功耗仅为 50nA 的专用 RC 振荡器 • 2× 通用同步/异步接收器/传输器 (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S) • 低能耗 UART (LEUART™) • I2C 接口，带有 SMBus 支持和 EM3 停止模式下的地址识别 • 宽工作范围 • 1.85 V 至 3.8 V 单电源 • 集成的直流到直流，低至 1.8 V 输出，高达 200 mA 的系统 负载电流 • -40 °C 至 85 °C • QFN32 5x5 mm 封装 • QFN48 7x7 mm 封装 Rev. 0.1 | 1 Simplicity Studio One-click access to MCU and wireless tools, documentation, software, source code libraries & more. Available for Windows, Mac and Linux! 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