| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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351 pcs
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351 pcs | On Request | 1 | On Request | On Request | 1434+ | On Request | On Request |
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The EFM32G840F64-QFN64 from Silicon Labs is a 32-bit microcontroller built on the ARM Cortex-M3 processor core, capable of running at speeds up to 32 MHz. This MCU is part of the EFM32 Gecko family, known for its ultra-low power consumption in both active and sleep modes, making it ideal for battery-powered systems and applications with high-performance, low-energy requirements.
Key specifications include 64KB of Flash program memory and 16KB of RAM. It offers a wide operating voltage range from 1.98V to 3.8V and operates within an ambient temperature range of -40°C to 85°C. The device features integrated peripherals such as Brown-out Detect/Reset, DMA, LCD controller, Power-On Reset, PWM, and Watchdog Timer. Connectivity options include I²C, IrDA, SmartCard, SPI, and UART/USART interfaces.
This microcontroller is housed in a 64-QFN (9x9) package with surface mount mounting type. It includes 56 general-purpose I/O pins. The device also supports internal oscillators and features hardware AES cryptography. Its low-power design includes features like 0.6 μA current consumption in Stop mode and 180 μA/MHz in Run mode, along with a fast wake-up time of 2 µs.
Applications for this MCU include smart metering, health and fitness devices, smart accessories, alarm and security systems, and industrial and home automation. Note that this part is Not Recommended for New Designs (NRND).
The core processor is an ARM Cortex-M3.
The clock speed is 32 MHz.
It has 64KB of Flash memory.
The RAM size is 16KB.
The operating voltage range is 1.98V to 3.8V.
The operating temperature range is -40°C to 85°C (TA).
It is in a 64-QFN (9x9) package with surface mount.