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Name: EFM32LG840F128G-F-QFN64R
Brand: Silicon Labs
SKU: EFM32LG840F128G-F-QFN64R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Silicon Labs EFM32LG840F128G-F-QFN64R

Part No.:: EFM32LG840F128G-F-QFN64R

Manufacturer:: Silicon Labs

Package:: 64-VFQFN Exposed Pad

Datasheet:

Description:: IC MCU 32BIT 128KB FLASH 64QFN

In Stock:: 3453

Quantity:: Add To Cart

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EFM32LG840F128G-F-QFN64R Specifications

Package/Case:
64-VFQFN Exposed Pad
Packaging:
Tape & Reel (TR)
Series:
Leopard Gecko
RoHS:
RoHS
Speed:
48MHz
RAM Size:
32K x 8
Core Size:
32-Bit
EEPROM Size:
-
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT
Connectivity:
I²C, IrDA, SmartCard, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
56
Core Processor:
ARM® Cortex®-M3
Data Converters:
A/D 8x12b SAR; D/A 2x12b
Oscillator Type:
Internal
Program Memory Size:
128KB (128K x 8)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

EFM32LG840F128G-F-QFN64R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including EFM32LG840F128G-F-QFN64R price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for EFM32LG840F128G-F-QFN64R to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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EFM32LG840F128G-F-QFN64R information

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The working principle and core technical features of EFM32LG840F128G-F-QFN64R

EFM32LG840F128G-F-QFN64R is a microcontroller renowned for its advanced features and robust performance in embedded applications. It integrates an ARM Cortex-M3 CPU, extensive peripherals, and low-power capabilities.

Application Scenario:

In smart energy meters, EFM32LG840F128G-F-QFN64R can manage data acquisition and communication tasks efficiently, ensuring accurate energy consumption monitoring and reporting.

Circuit Design:

To design a smart energy meter using EFM32LG840F128G-F-QFN64R, follow these steps:

1. Sensor Integration:

Integrate energy measurement sensors, such as current transformers or shunt resistors, with the ADC channels of EFM32LG840F128G-F-QFN64R for precise current and voltage measurement.

2. Data Processing:

Utilize the DMA controller and high-speed GPIOs of EFM32LG840F128G-F-QFN64R to process and calculate energy consumption data in real-time, ensuring accurate billing and analysis.

3. Communication Interface:

Implement communication protocols like UART or Ethernet using dedicated peripherals of EFM32LG840F128G-F-QFN64R to transmit energy data to central servers or display units.

4. Low Power Management:

Optimize power consumption using the energy modes and peripherals of EFM32LG840F128G-F-QFN64R to extend battery life in battery-operated energy meters, enhancing reliability and reducing maintenance.

5. Security Features:

Implement security measures using cryptographic accelerators and secure bootloaders available in EFM32LG840F128G-F-QFN64R to safeguard data integrity and prevent unauthorized access.

Considerations:

When designing the smart energy meter, ensure:

- Calibration Accuracy: Calibrate sensors and ADC channels to maintain accurate energy measurement over the meter's lifetime.

- Communication Reliability: Test communication interfaces thoroughly to ensure reliable data transmission and reception under various environmental conditions.

- Regulatory Compliance: Adhere to industry standards and regulations for energy meters regarding accuracy, data privacy, and electromagnetic compatibility (EMC).

- User Interface: Design a user-friendly interface using LCD displays or LEDs to provide real-time energy consumption information and status updates.

- System Integration: Ensure seamless integration of EFM32LG840F128G-F-QFN64R into the metering system, considering physical layout, thermal management, and environmental factors.

EFM32LG840F128G-F-QFN64R FAQ

1. How to order EFM32LG840F128G-F-QFN64R on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that EFM32LG840F128G-F-QFN64R is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the EFM32LG840F128G-F-QFN64R. All suppliers must pass our qualification reviews before they can publish their products including EFM32LG840F128G-F-QFN64R on icwhale.com; we pay more attention to the channels and quality of EFM32LG840F128G-F-QFN64R products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the EFM32LG840F128G-F-QFN64R price and inventory displayed accurate?

The price and inventory of EFM32LG840F128G-F-QFN64R fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of EFM32LG840F128G-F-QFN64R?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the EFM32LG840F128G-F-QFN64R we delivered, we will accept the replacement or return of the EFM32LG840F128G-F-QFN64R only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of EFM32LG840F128G-F-QFN64R.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations