PIC16F877A-I/L

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PIC16F877A-I/L

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IC MCU 8BIT 14KB FLASH 44PLCC

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tube
Series PIC® 16F
Part Status Active
Core Processor PIC
Core Size 8-Bit
Speed 20MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 33
Program Memory Size 14KB (8K x 14)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 368 x 8
Voltage - Supply (Vcc/Vdd) 4V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type External
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Tổng quan

Description

The PIC16F877A-I/L is an 8-bit microcontroller from Microchip’s PIC16F family, featuring a Harvard architecture and RISC-based design. It operates at 20 MHz, has 14 KB Flash memory, 368 bytes RAM, and 256 bytes EEPROM.
Key features include:
- 35 I/O pins (5 ports) with multiplexed functions (ADC, PWM, USART, SPI, I²C).
- 8-channel 10-bit ADC for analog signal processing.
- Timers (3x), PWM modules (2x), and watchdog timer.
- In-circuit serial programming (ICSP) for easy debugging.
It is widely used in embedded systems, automation, and educational projects due to its versatility, low power consumption, and ease of programming (MPLAB IDE). The -I/L suffix indicates an industrial temperature range (-40°C to +85°C) and lead-free packaging.
Applications: Motor control, sensor interfacing, and small-scale embedded systems.
For more details, refer to the datasheet or Microchip’s official resources.

Manufacturer

The PIC16F877A-I/L is manufactured by Microchip Technology Inc., a leading American semiconductor company specializing in microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its PIC (Peripheral Interface Controller) microcontrollers, which are widely used in embedded systems. The company serves industries like automotive, industrial, consumer electronics, and IoT, emphasizing reliability and innovation. Microchip acquired Atmel in 2016, further expanding its product portfolio.

Application

The PIC16F877A-I/L is a versatile 8-bit microcontroller used in various embedded applications, including:
- Industrial Control (automation, sensors, motor control)
- Consumer Electronics (appliances, remote controls)
- Automotive Systems (dashboard displays, basic control modules)
- Home Automation (lighting, security systems)
- Medical Devices (simple monitoring equipment)
- Hobby Projects (robotics, DIY electronics)
Its features (35 I/O pins, ADC, PWM, UART, SPI, I²C) make it suitable for low-to-mid complexity tasks requiring reliable performance and cost-effectiveness.

Package

The PIC16F877A-I/L comes in a 40-pin PDIP (Plastic Dual In-line Package). This through-hole package is widely used for prototyping and easy hand-soldering. It features a 0.6-inch width and standard pin spacing (2.54 mm). The "I" indicates an industrial temperature range (-40°C to +85°C), and "L" denotes lead-free packaging.

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