PIC16F873A-I/SO

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PIC16F873A-I/SO

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IC MCU 8BIT 7KB FLASH 28SOIC

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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 22
Program Memory Size 7KB (4K x 14)
Program Memory Type FLASH
EEPROM Size 128 x 8
RAM Size 192 x 8
Voltage - Supply (Vcc/Vdd) 4V ~ 5.5V
Data Converters A/D 5x10b
Oscillator Type External
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Tổng quan

Description

The PIC16F873A-I/SO is an 8-bit microcontroller from Microchip’s PIC16F family, housed in a 28-pin SOIC package. It features:
- 4 KB Flash memory for program storage.
- 192 bytes RAM and 128 bytes EEPROM for data.
- 5-channel 10-bit ADC, 2x PWM modules, and USART/SPI/I2C for communication.
- 3 timers, including an 8-bit and 16-bit timer with capture/compare.
- Operates at 20 MHz (5 MIPS) with a 2.0–5.5V supply range.
Ideal for embedded control applications like automation, sensors, and small consumer electronics, it balances performance and power efficiency. Its in-circuit serial programming (ICSP) support simplifies development.

Equivalent

Equivalent products to the PIC16F873A-I/SO include:
- PIC16F874A-I/SP (28-pin DIP, more I/O)
- PIC16F876A-I/SP (28-pin DIP, double flash)
- PIC16F877A-I/SP (40-pin DIP, more memory & I/O)
- PIC16F887-I/SP (28-pin DIP, enhanced features)
All are 8-bit MCUs with similar architectures. Check pin compatibility and feature differences before substitution.

Pinout

The PIC16F873A-I/SO is a 28-pin microcontroller from Microchip. Key features include:
- 28-pin SOIC package
- 22 I/O pins (5 ports: PORTA, PORTB, PORTC, PORTD, PORTE)
- Analog inputs: 5x 10-bit ADC channels
- Communication: USART, SPI, I²C (MSSP module)
- Timers: 3x (Timer0, Timer1, Timer2)
- PWM: 2x CCP modules
- Flash memory: 7KB, RAM: 192 bytes, EEPROM: 128 bytes
- Operating voltage: 2.0V–5.5V
Functions include embedded control, sensor interfacing, and serial communication.

Manufacturer

The PIC16F873A-I/SO 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, expanding its product portfolio. The PIC16F873A-I/SO is part of their mid-range 8-bit PIC microcontroller family, offering versatile performance for various applications.

Application

The PIC16F873A-I/SO is a versatile 8-bit microcontroller from Microchip, commonly used in:
- Industrial Control: Automation, sensor interfacing, and motor control.
- Consumer Electronics: Appliances, remote controls, and small gadgets.
- Automotive Systems: Basic control modules and dashboard displays.
- Embedded Systems: DIY projects, robotics, and prototyping.
- Medical Devices: Simple monitoring equipment.
Its features (ADC, PWM, UART, SPI, I²C) make it suitable for cost-effective, low-power applications requiring moderate processing.

Package

The PIC16F873A-I/SO comes in a SOIC (Small Outline Integrated Circuit) package. It has 28 pins and is designed for surface-mount technology (SMT). The "SO" suffix indicates the SOIC package type, while the "-I" denotes the industrial temperature range (-40°C to +85°C). Compact and widely used, it suits space-constrained applications.

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