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Silicon Labs

EFM32TG840F32-QFN64

Regular price Dhs. 355,892.34
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Silicon Labs EFM32TG840F32-QFN64 Microcontroller Overview

The EFM32TG840F32-QFN64 is a high-performance, ultra-low-power 32-bit microcontroller from Silicon Labs' Tiny Gecko family. Built around the powerful ARM® Cortex®-M3 processor running at 32MHz, this MCU delivers exceptional processing capability while maintaining industry-leading energy efficiency. With 32KB of Flash memory, 4KB RAM, and an integrated LCD controller, the EFM32TG840F32 is engineered for demanding embedded systems, industrial automation, IoT devices, and battery-powered applications where power consumption and performance are critical.

Featuring 56 configurable I/O pins and comprehensive connectivity options including I2C, SPI, UART/USART, IrDA, and SmartCard interfaces, this microcontroller provides the flexibility needed for complex system designs. The wide operating voltage range (1.85V to 3.8V) and industrial temperature rating (-40°C to 85°C) make it suitable for harsh environments and mission-critical applications.

Key Features & Benefits

  • High-Performance ARM Cortex-M3 Core: 32-bit processor running at 32MHz delivers powerful computing capability for complex algorithms and real-time control
  • Generous Memory Resources: 32KB Flash program memory and 4KB RAM provide ample space for application code and data storage
  • Rich Connectivity Options: Multiple communication interfaces including I2C, SPI, UART/USART, IrDA, SmartCard, and EBI/EMI enable seamless integration with sensors, displays, and other peripherals
  • Ultra-Low Power Operation: Wide voltage range (1.85V to 3.8V) optimized for battery-powered and energy-efficient applications
  • Extensive I/O Capability: 56 configurable I/O pins with integrated LCD controller support complex user interfaces and system designs
  • Advanced Analog Integration: 8-channel 12-bit ADC and dual 12-bit DAC enable precision analog signal processing
  • Robust Peripheral Set: Includes DMA, PWM, watchdog timer, brown-out detection, and power-on reset for reliable system operation
  • Industrial-Grade Reliability: Extended temperature range (-40°C to 85°C) and RoHS compliance ensure dependable performance in demanding environments
  • Compact Surface Mount Package: 64-QFN (9x9mm) with exposed pad provides excellent thermal performance and space-efficient PCB layout

Typical Applications

  • Industrial Automation & Control: PLCs, motor controllers, process monitoring, and factory automation systems
  • Smart Sensors & IoT Devices: Environmental monitoring, smart meters, wireless sensor networks, and connected devices
  • Battery-Powered Portable Devices: Handheld instruments, medical devices, portable test equipment, and wearable electronics
  • Human-Machine Interfaces: LCD-based control panels, touch interfaces, and display systems
  • Building Automation: HVAC controls, lighting systems, access control, and energy management
  • Consumer Electronics: Home appliances, remote controls, and smart home devices
  • Automotive Electronics: Dashboard displays, sensor interfaces, and auxiliary control modules

Why Choose HQICKEY for Your Semiconductor Needs

At HQICKEY, we specialize in providing authentic, high-quality semiconductor components with guaranteed long lifecycle availability. Our EFM32TG840F32-QFN64 microcontrollers are sourced directly from authorized Silicon Labs distributors, ensuring 100% authenticity and full manufacturer warranty. We offer worldwide shipping, dedicated technical support, and competitive pricing for both prototype quantities and production volumes.


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All products are 100% authentic with full manufacturer warranty and traceability. Fast worldwide shipping available.

Product attributes Property Value
Manufacturer Silicon Labs
Product Series Tiny Gecko
Packaging | Tape & Reel (TR)
Core Processor ARM® Cortex®-M3
Core Size 32-Bit Single-Core
Speed 32MHz
Connectivity EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
Number of I/O 56
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 1.85V ~ 3.8V
Data Converters A/D 8x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 64-QFN (9x9)
Package / Case 64-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

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