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EFM32LG842F128G-E-QFP64

Description
USB Interface IC USB to Full Serial UART IC QFN-20
Categorysemiconductor    The embedded processor and controller   
File Size5MB,465 Pages
ManufacturerSilicon Laboratories
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EFM32LG842F128G-E-QFP64 Overview

USB Interface IC USB to Full Serial UART IC QFN-20

EFM32LG842F128G-E-QFP64 Parametric

Parameter NameAttribute value
Product CategoryARM Microcontrollers - MCU
ManufacturerSilicon Laboratories
RoHSDetails
Mounting StyleSMD/SMT
Package / CaseTQFN-64
CoreARM Cortex M3
Data Bus Width32 bit
Maximum Clock Frequency48 MHz
Program Memory Size128 kB
Data RAM Size32 kB
ADC Resolution12 bit
Number of I/Os53 I/O
Operating Supply Voltage2 V to 3.8 V
Maximum Operating Temperature+ 85 C
Interface TypeI2C, SPI, UART, USB
PackagingTray
Data RAM TypeRAM
Data ROM Size128 kB
Data ROM TypeFlash
Minimum Operating Temperature- 40 C
Moisture SensitiveYes
Number of Timers/Counters5 Timer
Processor SeriesEFM32
ProductMCU
Program Memory TypeFlash
Factory Pack Quantity160
EFM32 Leopard Gecko Family
EFM32LG Data Sheet
The EFM32 Leopard Gecko MCUs are the world’s most energy-
friendly microcontrollers.
The EFM32LG offers unmatched performance and ultra low power consumption in both
active and sleep modes. EFM32LG devices consume as little as 0.65 μA in Stop mode
and 211 μA/MHz in Run mode. It also features autonomous peripherals, high overall chip
and analog integration, and the performance of the industry standard 32-bit ARM Cortex-
M3 processor, making it perfect for battery-powered systems and systems with high-per-
formance, low-energy requirements.
EFM32LG applications include the following:
• Energy, gas, water and smart metering
• Health and fitness applications
• Smart accessories
• Alarm and security systems
• Industrial and home automation
KEY FEATURES
• ARM Cortex-M3 at 48 MHz
• Ultra low power operation
• 0.66 μA current in Stop (EM3), with
brown-out detection and RAM retention
• 63 μA/MHz in EM1
• 211 μA/MHz in Run mode (EM0)
• Fast wake-up time of 2 µs
• Hardware cryptography (AES)
• Up to 256 kB of Flash and 32 kB of RAM
Core / Memory
ARM Cortex
TM
M3 processor
Flash Program
Memory
RAM Memory
Memory
Protection Unit
Clock Management
High Frequency
Crystal Oscillator
Auxiliary High
Freq. RC Osc.
Low Frequency
Crystal Oscillator
High Frequency
RC Oscillator
Low Freq.
RC Oscillator
Ultra Low Freq.
RC Oscillator
Energy Management
Voltage
Regulator
Brown-out
Detector
Back-up Power
Domain
Voltage
Comparator
Power-on
Reset
Security
Hardware AES
Debug w/ ETM
DMA Controller
32-bit bus
Peripheral Reflex System
Serial Interfaces
USART
Low Energy
UART
TM
I/O Ports
External Bus
Interface
TFT Driver
Timers and Triggers
Timer/Counter
Low Energy Timer
Analog Interfaces
ADC
LCD Controller
Operational
Amplifier
UART
LESENSE
Real Time Counter
IC
2
External
Interrupts
Pin Reset
General
Purpose I/O
Pin Wakeup
DAC
Pulse Counter
Back-up RTC
Watchdog Timer
USB
Analog
Comparator
Lowest power mode with peripheral operational:
EM0 - Active
EM1 - Sleep
EM2 – Deep Sleep
EM3 - Stop
EM4 - Shutoff
silabs.com
| Building a more connected world.
Rev. 2.10

EFM32LG842F128G-E-QFP64 Related Products

EFM32LG842F128G-E-QFP64 EFM32LG842F256G-E-QFP64R
Description USB Interface IC USB to Full Serial UART IC QFN-20 ARM Microcontrollers - MCU 256k Flash 32k RAM 8x18 LCD AES
Product Category ARM Microcontrollers - MCU ARM Microcontrollers - MCU
Manufacturer Silicon Laboratories Silicon Laboratories
RoHS Details Details
Mounting Style SMD/SMT SMD/SMT
Package / Case TQFN-64 TQFN-64
Core ARM Cortex M3 ARM Cortex M3
Data Bus Width 32 bit 32 bit
Maximum Clock Frequency 48 MHz 48 MHz
Program Memory Size 128 kB 256 kB
Data RAM Size 32 kB 32 kB
ADC Resolution 12 bit 12 bit
Number of I/Os 53 I/O 53 I/O
Operating Supply Voltage 2 V to 3.8 V 2 V to 3.8 V
Maximum Operating Temperature + 85 C + 85 C
Interface Type I2C, SPI, UART, USB I2C, SPI, UART, USB
Data RAM Type RAM RAM
Data ROM Size 128 kB 256 kB
Data ROM Type Flash Flash
Minimum Operating Temperature - 40 C - 40 C
Moisture Sensitive Yes Yes
Number of Timers/Counters 5 Timer 5 Timer
Processor Series EFM32 EFM32
Product MCU MCU
Program Memory Type Flash Flash
Factory Pack Quantity 160 1000
Packaging Tray Cut Tape
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