EFM32G840F 系列
energy-micro
silicon-laboratories
带闪存和QFN封装的32位ARM Cortex M
EFM32G840F系列 是芯科科技（Silicon Labs）推出的高能效32位微控制器（MCU）产品家族，专为超低功耗嵌入式应用设计。该系列基于ARM Cortex-M3内核，兼具高性能与卓越的能效表现，是电池供电设备及对能耗敏感应用的理想选择。EFM32G840F MCU通过多级低功耗模式实现最优功耗管理，使开发者在保持功能完整性的同时显著降低能耗。
本系列的突出特性包括先进的能源管理系统：集成超低功耗实时时钟（RTC）和灵活能源管理单元（EMU），可在深度休眠模式下仅消耗0.9 µA电流的同时维持关键功能运行。其高性能外设组合包含12位模数转换器（ADC）、数模转换器（DAC），以及UART、SPI、I2C等多种通信接口。这些外设支持自主运行，有效减轻CPU负载并进一步降低功耗。
EFM32G840F系列采用紧凑封装，适用于空间受限的设计方案。其工业级设计可在-40°C至+85°C宽温范围内稳定工作，适应严苛环境。硬件级安全机制如内存保护单元（MPU）和篡改检测功能，为系统数据完整性与安全性提供保障。
该系列典型应用涵盖物联网设备、智能传感器、可穿戴技术和便携医疗设备。其超低功耗特性特别适合远程监测系统、无线传感器网络等长续航应用场景，在工业自动化控制系统中同样表现卓越。EFM32G840F系列凭借性能、能效与多功能性的完美平衡，成为现代嵌入式系统的高效解决方案。
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EFM32G840F - 型号列表共 17 个型号
| 制造商零件编号 | 价格/库存 | Program Memory Type | Program Memory Size | RAM Size | Data Bus Width | Operating Temperature | Number of Timers | Standard Package | Operating Supply Voltage | Interface Type | Number of Programmable I/Os | Package / Case | Packaging | RoHS | Package Type | Maximum Operating Temperature | Minimum Operating Temperature | Core Processor | Core Size | Oscillator Type | Data Converters | Connectivity | Number of I /O | Voltage - Supply (Vcc/Vdd) | Peripherals | Speed | Series | Tradename | Supplier Device Package | Number of I/O | rohs | Pin Ct. | Temp Range | NDA | NCNR | Core | Processor Series | Maximum Clock Frequency | Data RAM Size | Mounting Style | Device Core | Family Name | Part # Aliases | Factory Pack Quantity | Package | Special Features | LCD Segments | On-Chip ADC | On-Chip DAC | Watchdog | Operating Temperature Range | Life | Other Names | Architecture | RAM Memory Size | CPU Speed | No. of I/O's | Digital IC Case Style | No. of Pins | Embedded Interface Type | Supply Voltage Min | Supply Voltage Max | MSL | Controller Family/Series | Operating Temperature Max | Operating Temperature Min | Weight (kg) | Tariff No. | ADC Channels | ADC Resolution | ADCs | Dimensions | Height | Instruction Set Architecture | Length | Maximum Frequency | Mounting Type | Number of ADC Units | Number of PWM Units | Pin Count | Pulse Width Modulation | PWM Channels | PWM Resolution | Timer Resolution | Timers | Typical Operating Supply Voltage | USB Channels | Width |
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EFM32G840F128-QFN64 MCU 32-bit EFM32 ARM Cortex M3 RISC 128KB Flash 2.5V/3.3V 64-Pin QFN EP energy micro as | 询价 | Flash | 128 KB | 16 KB | 32 Bit | -40 to 85 °C | 4 | Tape & Reel | 2.5|3.3 V | I2C/UART/USART | 56 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ARM Cortex M3 | EFM32 | - | - | 64QFN EP | LCD Controller | 96 | 8-chx12-bit | 2(2-chx12-bit) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
EFM32G840F32-QFN64 MCU 32-bit EFM32 ARM Cortex M3 RISC 32KB Flash 2.5V/3.3V 64-Pin QFN EP energy micro as | 询价 | Flash | 32 KB | 8 KB | 32 Bit | -40 to 85 °C | 4 | Tape & Reel | 2.5|3.3 V | I2C/UART/USART | 56 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ARM Cortex M3 | EFM32 | - | - | 64QFN EP | LCD Controller | 96 | 8-chx12-bit | 2(2-chx12-bit) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
EFM32G840F64-QFN64 MCU 32-bit EFM32 ARM Cortex M3 RISC 64KB Flash 2.5V/3.3V 64-Pin QFN EP energy micro as | 询价 | Flash | 64 KB | 16 KB | 32 Bit | -40 to 85 °C | 4 | Tape & Reel | 2.5|3.3 V | I2C/UART/USART | 56 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ARM Cortex M3 | EFM32 | - | - | 64QFN EP | LCD Controller | 96 | 8-chx12-bit | 2(2-chx12-bit) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
 | 询价 | Flash | 32 KB | - | 32 bit | - | 3 | - | 1.8 V to 3.8 V | I2C, UART | 56 | QFN-64 | Reel | RoHS Compliant | - | + 85 C | - 40 C | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ARM Cortex M3 | EFM32G840 | 32 MHz | 8 KB | SMD/SMT | - | - | EFM32G840F32-QFN64 | - | - | - | - | - | - | - | - 40 C to + 85 C | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 询价 | Flash | 128 KB | - | 32 bit | - | 3 | - | 1.8 V to 3.8 V | I2C, UART | 56 | QFN-64 | Bulk | - | - | + 85 C | - 40 C | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ARM Cortex M3 | EFM32G840 | 32 MHz | 8 KB to 16 KB | SMD/SMT | - | - | - | 2 | - | - | - | - | - | - | - 40 C to + 85 C | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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 | 询价 | FLASH | 32KB (32K x 8) | 8K x 8 | 32 bit | -40°C ~ 85°C | 3 | 1,000 | 1.8 V to 3.8 V | I2C, UART | 56 | 64-VFQFN Exposed Pad | Tape & Reel (TR) | RoHS Compliant | QFN | + 85 C | - 40 C | ARM® Cortex™-M3 | 32-Bit | External | A/D 8x12b, D/A 2x12b | EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART | 56 | 1.85 V ~ 3.8 V | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 32MHz | EFM32G840F32 | EFM32 | * | 56 | Lead free / RoHS Compliant | 64 | -40 to 85C | N | N | ARM Cortex M3 | EFM32G840 | 32 MHz | 8 KB | SMD/SMT | - | - | EFM32G840F32 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 询价 | FLASH | 128KB (128K x 8) | 16K x 8 | - | -40°C ~ 85°C | - | 100 | - | - | - | 64-VFQFN Exposed Pad | Tray | RoHS Compliant | QFN | - | - | ARM® Cortex™-M3 | 32-Bit | External | A/D 8x12b, D/A 2x12b | EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART | 56 | 1.85 V ~ 3.8 V | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 32MHz | EFM32G840F128 | EFM32 | * | 56 | Lead free / RoHS Compliant | 64 | -40 to 85C | N | N | - | - | - | - | - | - | - | - | 100 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 询价 | FLASH | 128KB (128K x 8) | 16K x 8 | 32 bit | -40°C ~ 85°C | 3 | 1,000 | 1.8 V to 3.8 V | I2C, UART | 56 | 64-VFQFN Exposed Pad | Tape & Reel (TR) | RoHS Compliant | QFN | + 85 C | - 40 C | ARM® Cortex™-M3 | 32-Bit | External | A/D 8x12b, D/A 2x12b | EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART | 56 | 1.85 V ~ 3.8 V | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 32MHz | EFM32G840F128 | EFM32 | * | 56 | Lead free / RoHS Compliant | 64 | -40 to 85C | N | N | ARM Cortex M3 | EFM32G840 | 32 MHz | 16 KB | SMD/SMT | - | - | EFM32G840F128 | - | - | - | - | - | - | - | - | - | 914-1015-1 | :ARM Cortex-M3 | :16KB | :32MHz | :56 | :QFN | :64 | :I2C, SPI, UART | :1.85V | :3.8V | :MSL 3 - 168 hours | :EFM32 | :85°C | :-40°C | 0.0001 | 85423190 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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 | 询价 | Flash | 128 kB | 16 kB | 32bit | - | 3 | - | - | - | - | - | - | - | QFN | +85 °C | -40 °C | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ARM Cortex M3 | EFM32 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | 12bit | 1(8 x 12 bit) | 9 x 9 x 0.85mm | 0.85mm | RISC | 9mm | 32MHz | Surface Mount | 1 | 3 | 64 | 3(3 x 16 bit) | 3 | 16bit | 16bit | 3 x 16 bit | 1.85 → 3.8 V | 0 | 9mm |
| 询价 | FLASH | 64KB (64K x 8) | 16K x 8 | 32 bit | -40°C ~ 85°C | 3 | 1,000 | 1.8 V to 3.8 V | I2C, UART | 56 | 64-VFQFN Exposed Pad | Tape & Reel (TR) | RoHS Compliant | QFN | + 85 C | - 40 C | ARM® Cortex™-M3 | 32-Bit | External | A/D 8x12b, D/A 2x12b | EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART | 56 | 1.85 V ~ 3.8 V | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 32MHz | EFM32G840F64 | EFM32 | * | 56 | Lead free / RoHS Compliant | 64 | -40 to 85C | N | N | ARM Cortex M3 | EFM32G840 | 32 MHz | 16 KB | SMD/SMT | - | - | EFM32G840F64 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 询价 | FLASH | 32KB (32K x 8) | 8K x 8 | - | -40°C ~ 85°C | - | 100 | - | - | - | 64-VFQFN Exposed Pad | Tray | RoHS Compliant | QFN | - | - | ARM® Cortex™-M3 | 32-Bit | External | A/D 8x12b, D/A 2x12b | EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART | 56 | 1.85 V ~ 3.8 V | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 32MHz | EFM32G840F32 | EFM32 | * | 56 | Lead free / RoHS Compliant | 64 | -40 to 85C | N | N | - | - | - | - | - | - | - | - | 100 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 询价 | FLASH | 64KB (64K x 8) | 16K x 8 | - | -40°C ~ 85°C | - | 100 | - | - | - | 64-VFQFN Exposed Pad | Tray | RoHS Compliant | QFN | - | - | ARM® Cortex™-M3 | 32-Bit | External | A/D 8x12b, D/A 2x12b | EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART | 56 | 1.85 V ~ 3.8 V | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 32MHz | EFM32G840F64 | EFM32 | * | 56 | Lead free / RoHS Compliant | 64 | -40 to 85C | N | N | - | - | - | - | - | - | - | - | 100 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
共 17 个型号