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Name: AT89LP51IC2-20JU
Brand: Microchip Technology
SKU: AT89LP51IC2-20JU
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology AT89LP51IC2-20JU

Part No.:: AT89LP51IC2-20JU

Manufacturer:: Microchip Technology

Package:: 44-LCC (J-Lead)

Datasheet:: AT89LP51IC2-20JU.pdf

Description:: IC MCU 8BIT 32KB FLASH 44PLCC

In Stock:: 637

Quantity:: Add To Cart

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AT89LP51IC2-20JU Specifications

Package/Case:
44-LCC (J-Lead)
Packaging:
Tube,Tube
Series:
89LP
RoHS:
RoHS
Speed:
20MHz
RAM Size:
1.375K x 8
Core Size:
8-Bit
EEPROM Size:
-
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:
EBI/EMI, I²C, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
40
Core Processor:
8051
Data Converters:
A/D 7x10b
Oscillator Type:
Internal
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

AT89LP51IC2-20JU this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AT89LP51IC2-20JU 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 AT89LP51IC2-20JU 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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AT89LP51IC2-20JU information

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The working principle and core technical features of AT89LP51IC2-20JU

AT89LP51IC2-20JU is a highly integrated microcontroller renowned for its robust performance and versatile features, widely used in diverse embedded systems applications. It is equipped with a powerful 8051 CPU core, rich peripherals, and advanced Flash memory technology.

Application Scenario:

In automotive electronics, AT89LP51IC2-20JU finds extensive use in engine control units (ECUs) for fuel injection, ignition timing control, and emission management systems.

Circuit Design:

To design an ECU using AT89LP51IC2-20JU, follow these steps:

1. Sensor Interface:

Connect various sensors, such as throttle position sensors, oxygen sensors, and crankshaft position sensors, to the analog and digital input pins of AT89LP51IC2-20JU. Utilize built-in ADC and GPIO capabilities for sensor data acquisition.

2. Actuator Control:

Connect actuators like fuel injectors, ignition coils, and idle air control valves to the PWM and GPIO pins of AT89LP51IC2-20JU. Employ PWM outputs for precise control of actuators to optimize engine performance and emissions.

3. Communication:

Implement communication protocols such as CAN or LIN to facilitate communication with other ECUs and diagnostic tools. Configure UART or SPI peripherals of AT89LP51IC2-20JU for serial communication.

4. Memory Management:

Utilize the Flash memory of AT89LP51IC2-20JU to store program code, calibration data, and diagnostic routines. Employ on-chip EEPROM for non-volatile storage of critical parameters.

5. Real-Time Operation:

Develop efficient firmware algorithms to manage real-time tasks such as engine control, diagnostic monitoring, and fault detection. Utilize timers and interrupts of AT89LP51IC2-20JU for precise timing and event-driven operation.

Considerations:

When designing the ECU, consider:

- Signal Conditioning: Proper filtering and amplification of sensor signals to ensure accurate data acquisition.

- EMC/EMI Compliance: Shield sensitive circuitry and use proper grounding techniques to mitigate electromagnetic interference and ensure compliance with automotive EMC standards.

- Safety and Reliability: Implement fail-safe mechanisms and redundant sensor inputs to enhance system reliability and ensure safe operation under all conditions.

- Performance Optimization: Optimize code efficiency and utilize hardware acceleration features of AT89LP51IC2-20JU to enhance system performance and responsiveness.

- Power Management: Implement power-saving techniques such as sleep modes and dynamic clock scaling to minimize power consumption and extend battery life in automotive applications.

AT89LP51IC2-20JU FAQ

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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.

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We have a professional and experienced quality control team to strictly verify and test the AT89LP51IC2-20JU. All suppliers must pass our qualification reviews before they can publish their products including AT89LP51IC2-20JU on icwhale.com; we pay more attention to the channels and quality of AT89LP51IC2-20JU products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the AT89LP51IC2-20JU price and inventory displayed accurate?

The price and inventory of AT89LP51IC2-20JU 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?

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5. How is the shipping arranged?

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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 AT89LP51IC2-20JU?

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 AT89LP51IC2-20JU we delivered, we will accept the replacement or return of the AT89LP51IC2-20JU 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 AT89LP51IC2-20JU.

(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