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Name: ATMEGA644P-20AQ
Brand: Microchip Technology
SKU: ATMEGA644P-20AQ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology ATMEGA644P-20AQ

Part No.:: ATMEGA644P-20AQ

Manufacturer:: Microchip Technology

Package:: 44-TQFP

Datasheet:: ATMEGA644P-20AQ.pdf

Description:: IC MCU 8BIT 64KB FLASH 44TQFP

In Stock:: 2164

Quantity:: Add To Cart

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ATMEGA644P-20AQ Specifications

Package/Case:
44-TQFP
Packaging:
Tray
Series:
AVR® ATmega
RoHS:
RoHS
Speed:
20MHz
RAM Size:
4K x 8
Core Size:
8-Bit
EEPROM Size:
2K x 8
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:
I²C, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
32
Core Processor:
AVR
Data Converters:
A/D 8x10b
Oscillator Type:
Internal
Program Memory Size:
64KB (32K x 16)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 105°C (TA)

ATMEGA644P-20AQ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ATMEGA644P-20AQ 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 ATMEGA644P-20AQ 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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ATMEGA644P-20AQ information

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The working principle and core technical features of ATMEGA644P-20AQ

ATMEGA644P-20AQ is a microcontroller renowned for its robust performance and versatile features in embedded systems. It integrates an AVR core with advanced peripherals and operates at low power consumption.

Application Scenario:

In automotive electronics, ATMEGA644P-20AQ excels in controlling engine management systems, managing sensor data for fuel efficiency and emissions control.

Circuit Design:

To design an engine management system using ATMEGA644P-20AQ, follow these steps:

1. Sensor Integration:

Connect various sensors (e.g., temperature, pressure) to analog input pins of ATMEGA644P-20AQ, ensuring accurate data acquisition for engine diagnostics.

2. Actuator Control:

Utilize GPIO pins of ATMEGA644P-20AQ to control actuators such as fuel injectors and ignition systems, optimizing engine performance based on sensor inputs.

3. Human-Machine Interface:

Integrate a display interface to provide real-time engine parameters using GPIO pins, enhancing user interaction and system monitoring capabilities.

4. Communication:

Implement communication protocols like CAN or LIN using specific GPIO pins for seamless integration with vehicle networks and external diagnostics tools.

5. Power Efficiency:

Implement efficient power management circuits to ensure ATMEGA644P-20AQ operates reliably under varying load conditions, optimizing fuel efficiency and reducing emissions.

Considerations:

- Real-Time Processing: Implement efficient firmware algorithms to handle real-time sensor data processing and actuator control for responsive engine management.

- System Reliability: Conduct rigorous testing to validate the system's performance under extreme temperatures and environmental conditions typical of automotive applications.

- EMI/EMC Compliance: Design the PCB layout and shielding to mitigate electromagnetic interference, ensuring compliance with automotive EMC standards for reliable operation.

ATMEGA644P-20AQ FAQ

1. How to order ATMEGA644P-20AQ 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 ATMEGA644P-20AQ is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the ATMEGA644P-20AQ. All suppliers must pass our qualification reviews before they can publish their products including ATMEGA644P-20AQ on icwhale.com; we pay more attention to the channels and quality of ATMEGA644P-20AQ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the ATMEGA644P-20AQ price and inventory displayed accurate?

The price and inventory of ATMEGA644P-20AQ 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.

Warm Tips: Some orders in certain payment forms may require handling fee.

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 ATMEGA644P-20AQ?

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 ATMEGA644P-20AQ we delivered, we will accept the replacement or return of the ATMEGA644P-20AQ 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 ATMEGA644P-20AQ.

(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