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EFM32LG840F128-QFN64

EFM32LG840F128-QFN64

EFM32LG840F128-QFN64

Silicon Labs

128KB 128K x 8 FLASH ARM® Cortex®-M3 32-Bit Microcontroller Leopard Gecko Series 64 Pin 48MHz 3V 64-WFQFN Exposed Pad

SOT-23

EFM32LG840F128-QFN64 Datasheet

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Specifications
Name Value
Type Parameter
Mounting Type Surface Mount
Package / Case 64-WFQFN Exposed Pad
Surface Mount YES
Number of Pins 64
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
Series Leopard Gecko
Published 2013
Part Status Obsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
ECCN Code 3A001.A.3
HTS Code 8542.31.00.01
Terminal Position QUAD
Supply Voltage 3V
Terminal Pitch 0.5mm
Frequency 48MHz
Supply Voltage-Max (Vsup) 3.8V
Supply Voltage-Min (Vsup) 1.85V
Interface I2C, IrDA, SPI, UART, USART
Memory Size 128kB
Oscillator Type Internal
Number of I/O 56
RAM Size 32K x 8
Voltage - Supply (Vcc/Vdd) 1.98V~3.8V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor ARM® Cortex®-M3
Peripherals Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
Program Memory Type FLASH
Core Size 32-Bit
Program Memory Size 128KB 128K x 8
Connectivity I2C, IrDA, SmartCard, SPI, UART/USART
Bit Size 32
Data Converter A/D 8x12b; D/A 2x12b
Has ADC YES
DMA Channels YES
Data Bus Width 32b
PWM Channels YES
DAC Channels YES
ROM (words) 131072
Core Architecture ARM
Length 9mm
Height Seated (Max) 0.9mm
Radiation Hardening No
RoHS Status RoHS Compliant
EFM32LG840F128-QFN64 Product Details

EFM32LG840F128-QFN64 Overview


The package has a 64-WFQFN Exposed Pad shape. With 56 I/Os, it's pretty good. The Microcontroller's mounting type is Surface Mount and this IC chip has the following features. As the name implies, this Microcontroller is based on the 32-Bit core. As far as its program memory type is concerned, it is FLASH. Temperatures within -40°C~85°C TA range are measured by this Microcontroller. The Leopard Gecko series is comprised of this electrical component. The electronic part has a program memory size of 128KB 128K x 8. There's a ARM® Cortex®-M3 Core Processor inside. The IC chip fits into the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. There are 64 terminations on the IC chip. 32-bits are the size of the data that comes with MCU. A 3V volt supply is provided by the Microcontroller chip. In addition to that, MCU chip has YES DMA channels. Its memory size is 128kB. An effective performance can be achieved at a frequency of 48MHz. There are a total of YES channels in the device. It is possible to access the 64 pins on the chip. This device features a ARM core architecture.

EFM32LG840F128-QFN64 Features


64-WFQFN Exposed Pad package
Mounting type of Surface Mount


EFM32LG840F128-QFN64 Applications


There are a lot of Silicon Labs
EFM32LG840F128-QFN64 Microcontroller applications.


  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens

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