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Name: PIC16F877A-I/L
Brand: Microchip Technology
SKU: PIC16F877A-I/L
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 PIC16F877A-I/L

Part No.:: PIC16F877A-I/L

Manufacturer:: Microchip Technology

Package:: 44-LCC (J-Lead)

Datasheet:: PIC16F877A-I/L.pdf

Description:: IC MCU 8BIT 14KB FLASH 44PLCC

In Stock:: 3629

Quantity:: Add To Cart

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PIC16F877A-I/L Specifications

Package/Case:
44-LCC (J-Lead)
Packaging:
Tube
Series:
PIC® 16F
RoHS:
RoHS
Speed:
20MHz
RAM Size:
368 x 8
Core Size:
8-Bit
EEPROM Size:
256 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:
33
Core Processor:
PIC
Data Converters:
A/D 8x10b
Oscillator Type:
External
Program Memory Size:
14KB (8K x 14)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

PIC16F877A-I/L this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PIC16F877A-I/L 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 PIC16F877A-I/L 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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PIC16F877A-I/L information

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PIC16F877A-I/L Typical application Circuitry

PIC16F877A-I L

The PIC16F877A-I/L is a powerful microcontroller (MCU) from Microchip Technology, widely recognized for its versatility and efficiency in handling various computational tasks. This MCU is part of the PIC16F family, known for their robust performance in both industrial and consumer applications, including but not limited to, home automation systems, automotive electronics, and smart sensors.

Essential Attributes of PIC16F877A-I/L:

- Operational Speed: With a maximum operating frequency of 20MHz, the PIC16F877A-I/L ensures swift processing of instructions, which is vital for real-time applications.

- Flash Memory: It is equipped with 14KB of flash memory, providing sufficient space for complex application codes and software updates.

- Versatile I/O Ports: The MCU offers 33 I/O pins, allowing extensive peripheral integrations and interfacing options, accommodating a wide array of sensors and actuators.

- Analog Features: Featuring an 8-channel, 10-bit Analog-to-Digital Converter (ADC), it facilitates precise conversion of analog signals to digital, essential for sensor data acquisition.

- Serial Communication: With built-in support for serial communication protocols like I2C, SPI, and USART, the PIC16F877A-I/L can easily communicate with other devices, enhancing system connectivity and functionality.

Application Scenario: Home Security System

A home security system is a fitting application for the PIC16F877A-I/L, utilizing its ADC capabilities, ample I/O pins, and serial communication features to integrate various sensors and communication modules for enhanced security.

Intricate Circuit Details:

- Supply Voltage Connection: The VDD pin (Pin 32) is connected to a +5V DC power source, while the VSS pin (Pin 31) is grounded. Implementing decoupling capacitors close to these pins is crucial for minimizing power supply noise.

- Motion Detector Interface: A Passive Infrared (PIR) sensor can be interfaced with one of the digital I/O pins, such as RB0 (Pin 33), to detect motion within the premises.

- Camera Module Control: For capturing images upon detecting motion, a digital camera module can be controlled using the RC0 (Pin 15) pin, enabling or disabling the camera as required.

- ICSP Programming Pins: The PIC16F877A-I/L is programmed using MCLR (Pin 1) for the reset signal, PGD (Pin 40), and PGC (Pin 39) for serial programming data and clock. These pins facilitate in-circuit serial programming for easy firmware updates.

- Alarm Output: To trigger an alarm, the RC1 (Pin 16) pin can control an external relay, which in turn activates the alarm system when unauthorized motion is detected.

- External Oscillator: To ensure accurate timing for operation and sensor polling, an external crystal oscillator is connected to OSC1/CLKIN (Pin 13) and OSC2/CLKOUT (Pin 14), with proper load capacitors for stability.

Design Considerations:

When designing a circuit with the PIC16F877A-I/L for a home security system, several factors must be meticulously considered:

- Sensor Sensitivity: Calibration of sensors like the PIR is crucial to minimize false alarms and ensure reliable detection of intrusions.

- Power Management: Efficient power management strategies should be employed, especially for battery-backed systems, to ensure longevity and reliability.

- Programming Flexibility: Providing easy access to the programming pins allows for straightforward updates and maintenance, ensuring the system remains up-to-date with security protocols.

- System Security: Incorporating encryption and secure communication protocols for any wireless communication prevents unauthorized access to the security system.

- Component Protection: Ensuring all electronic components are protected against environmental factors and potential tampering is vital for system integrity.

By leveraging the capabilities of the PIC16F877A-I/L, developers can create sophisticated home security systems that are both reliable and versatile. The MCU's wide array of features enables the integration of various sensors and communication technologies, offering enhanced security measures for modern homes.

PIC16F877A-I/L FAQ

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3. Are the PIC16F877A-I/L price and inventory displayed accurate?

The price and inventory of PIC16F877A-I/L fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of PIC16F877A-I/L?

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 PIC16F877A-I/L we delivered, we will accept the replacement or return of the PIC16F877A-I/L 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 PIC16F877A-I/L.

(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