EFM32LG940F256-QFN64
- Mfr.Part #
- EFM32LG940F256-QFN64
- Manufacturer
- Silicon Labs
- Package / Case
- 64-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64QFN
- Stock
- 23,585
- In Stock :
- 23,585
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Silicon Labs
- Product Category :
- Microcontrollers
- DMA Channels :
- yes
- Surface Mount :
- yes
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Interface :
- I2C, I2S, IrDA, SPI, UART, USART, USB
- Memory Size :
- 256KB
- ECCN Code :
- 3A001.A.3
- Radiation Hardening :
- No
- Supply Voltage :
- 3V
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Number of Timers/Counters :
- 5
- Peripherals :
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Voltage - Supply (Vcc/Vdd) :
- 1.98V~3.8V
- Data Converter :
- A/D 8x12b; D/A 2x12b
- Series :
- Leopard Gecko
- ROM (words) :
- 262144
- Frequency :
- 48MHz
- Data Bus Width :
- 32b
- Oscillator Type :
- Internal
- Length :
- 9mm
- Core Architecture :
- ARM
- Connectivity :
- I2C, IrDA, SmartCard, SPI, UART/USART, USB
- Number of I/O :
- 53
- Has ADC :
- yes
- Number of Programmable I/O :
- 52
- Height Seated (Max) :
- 0.9mm
- Core Processor :
- ARM® Cortex®-M3
- Terminal Position :
- QUAD
- Program Memory Size :
- 256KB 256K x 8
- REACH SVHC :
- Unknown
- Packaging :
- Tape and Reel (TR)
- Published :
- 2012
- Number of Pins :
- 64
- RoHS Status :
- RoHS Compliant
- Core Size :
- 32-Bit
- RAM Size :
- 32K x 8
- Operating Temperature :
- -40°C~85°C TA
- Bit Size :
- 32
- Number of Terminations :
- 64
- PWM Channels :
- yes
- Watchdog Timer :
- yes
- DAC Channels :
- yes
- Mounting Type :
- Surface Mount
- Package / Case :
- 64-WFQFN Exposed Pad
- Supply Voltage-Max (Vsup) :
- 3.8V
- Program Memory Type :
- Flash
- Datasheets
- EFM32LG940F256-QFN64

Microcontrollers Silicon Labs EFM32LG940F256-QFN64 Overview
Introducing the EFM32LG940F256-QFN64 from Silicon Labs, a cutting-edge microcontroller that integrates state-of-the-art features suitable for demanding applications that require low power consumption and high performance. This microcontroller is part of the Silicon Labs Leopard Gecko family, renowned for their energy efficiency and robust processing capabilities. The EFM32LG940F256-QFN64 is designed to optimize both power and performance, making it ideal for applications in energy-sensitive and resource-intensive devices. Its compact 64-QFN package allows for sleeker device designs, while the 256KB of flash memory provides ample space for complex programming and data storage.
EFM32LG940F256-QFN64 Features
The EFM32LG940F256-QFN64 boasts a 32-bit ARM Cortex-M3 processor, providing a balance of efficiency and power for handling complex algorithms and tasks. With 256KB of flash and 32KB of RAM, it supports intricate processes without sacrificing speed. Its low energy consumption modes extend battery life, crucial for portable devices. Additionally, the microcontroller's peripheral reflex system enhances responsiveness and performance by allowing peripherals to communicate independently of the core processor.
EFM32LG940F256-QFN64 Applications
- Smart Wearables: In devices like fitness trackers and smartwatches, the EFM32LG940F256-QFN64 manages sensor data processing and user interface updates efficiently, ensuring smooth operation and long battery life.
- Home Automation Systems: Utilized in systems controlling lighting, heating, and security, this microcontroller's capabilities enable reliable, low-latency communication and automated decision-making, enhancing user convenience and system efficiency.
- Industrial Monitoring: Ideal for sensors and IoT devices in harsh environments, the EFM32LG940F256-QFN64's robust operation ensures reliable performance under variable temperatures and conditions, crucial for continuous monitoring and control.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















