PIC16F872-I/SO

Program Memory Type:	FLASH
Base Part Number:	PIC16F872
Supplier Device Package:	28-SOIC
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	External
Data Converters:	A/D 5x10b
Voltage - Supply (Vcc/Vdd):	4 V ~ 5.5 V
RAM Size:	128 x 8
EEPROM Size:	64 x 8
Series:	PIC® 16F
Program Memory Size:	3.5KB (2K x 14)
Number of I/O:	22
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:	I²C, SPI
Speed:	20MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Active
Packaging:	Tube

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Embedded - Microcontrollers

The PIC16F872-I/SO microcontroller is a powerful, 8-bit general-purpose microcontroller from Microchip Technology, Inc. It is one of the many family members of the popular PIC16F872-I microcontroller range. This microcontroller is a popular choice in many applications due to its low cost, simple instruction set, and high integration capabilities. The device is ideal for applications such as security systems, process automation and control, industrial automation, remote sensing, automotive control, and medical applications.

Architecture

The PIC16F872-I/SO microcontroller is an 8-bit microcontroller with a Harvard architecture, meaning it has both program memory and data memory. It is based on the PIC family of microcontrollers, which is a modified version of RISC (reduced instruction set computer) architecture. The microcontroller has 8K words of Flash Program Memory, which is used to store program instructions. The microcontroller also has 384 bytes of data RAM for data storage.The PIC16F872-I/SO has an 8-bit ALU (arithmetic logic unit) for performing mathematical operations, and 8 8-bit working registers for data storage. It also contains an 8-bit stack pointer for stack operations and an 8-bit program counter for program sequencing. The device also has 14-bit timer/counter for timing operations. It has high-speed peripherals such as an A/D Converter and PWM (pulse width modulation) module. It also contains two 16-bit SFR registers, which can be used for low-level configuration and monitoring of the microcontroller. The device also has 5 interruptvectors, which can be used to interrupt the program when necessary. The microcontroller also includes an analog comparator, comparator outputs, and 6 power savingsleep modes, which can be used to reduce power consumption.

Communication Protocols

The PIC16F872-I/SO microcontroller supports several communication protocols such as SPI (serial peripheral interface), UART (universal asynchronous receiver/transmitter), and I2C (inter-integrated circuit). The SPI connection can be used for high-speed serial communication with other systems, and the UART connection can be used for serial communication with other systems. Moreover, the I2C connection can be used to interface devices such as keyboards, mouse, and displays.

Development Tools and Software

The PIC16F872-I/SO microcontroller has a wide range of development tools and software available for programming and development. Microchip provides an MPLAB IDE (Integrated Development Environment) for development and debugging purposes. This IDE includes an XC8 compiler, which can be used to compile and assemble programs written in C or assembly language. There are also a number of third-party libraries and software available that can be used to program the microcontroller.

Application Fields and Working Principle

The PIC16F872-I/SO microcontroller is an excellent choice for embedded applications due to its low cost, high integration capabilities, and wide range of features. It is used in a variety of applications such as security systems, process automation and control, industrial automation, remote sensing, automotive control, and medical applications.The working principle of the microcontroller is quite simple. The device executes a program that is stored in its program memory. The program is written in either C or assembly language and is compiled with the MPLAB IDE. The resulting binary is then downloaded to the microcontroller and is executed. The microcontroller can then be used to control a system based on the commands in the program. This makes it a powerful tool for automation and control applications. The microcontroller has several features that make it an excellent choice for embedded applications. It can efficiently interface with other systems using its various communication protocols such as SPI, UART, and I2C. It also has a rich set of instruction set allowing it to execute complex tasks and implement complex algorithms. Moreover, the microcontroller is power efficient and is designed to operate at low power, making it a great choice for battery-powered applications. In conclusion, the PIC16F872-I/SO microcontroller is an excellent choice for embedded applications, due to its low cost, high integration capabilities, and wide range of features. It is used in a variety of applications such as security systems, process automation and control, industrial automation, remote sensing, automotive control, and medical applications. With its powerful instruction set and efficient interfacing capabilities, the PIC16F872-I/SO is an ideal choice for embedded applications.

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