PIC16F84A-04I/P

Product Overview

Category

The PIC16F84A-04I/P belongs to the category of microcontrollers.

Use

This microcontroller is widely used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• Low power consumption
• High-performance RISC architecture
• Flash-based program memory
• Wide operating voltage range
• Integrated peripherals for versatile functionality

Package

The PIC16F84A-04I/P is available in a 18-pin DIP (Dual Inline Package) format.

Essence

The essence of the PIC16F84A-04I/P lies in its ability to provide efficient and reliable control and processing capabilities in a compact package.

Packaging/Quantity

The PIC16F84A-04I/P is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Microcontroller Family: PIC16F
• Program Memory Size: 1.75 KB
• RAM Size: 68 bytes
• Number of I/O Pins: 13
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Clock Frequency: 4 MHz
• Data Bus Width: 8 bits
• ADC Channels: 5
• Timers: 1 x 8-bit, 1 x 16-bit
• Communication Interfaces: UART, SPI, I2C

Detailed Pin Configuration

The PIC16F84A-04I/P features an 18-pin configuration with the following pin assignments:

1. VDD - Power supply voltage
2. RA2 - General-purpose I/O pin
3. RA3 - General-purpose I/O pin
4. RA4/T0CKI - General-purpose I/O pin / Timer0 clock input
5. MCLR/VPP - Master Clear input / Programming voltage
6. GND - Ground
7. RA0/AN0 - General-purpose I/O pin / Analog input 0
8. RA1/AN1 - General-purpose I/O pin / Analog input 1
9. RA5/AN4 - General-purpose I/O pin / Analog input 4
10. OSC1/CLKIN - Oscillator input
11. OSC2/CLKOUT - Oscillator output
12. RC0/T1OSO/T1CKI - General-purpose I/O pin / Timer1 oscillator output / Timer1 clock input
13. RC1/T1OSI/CCP2 - General-purpose I/O pin / Timer1 oscillator input / CCP2 module
14. RC2/CCP1 - General-purpose I/O pin / CCP1 module
15. VSS - Ground
16. RB0/INT - General-purpose I/O pin / External interrupt input
17. RB1 - General-purpose I/O pin
18. RB2 - General-purpose I/O pin

Functional Features

The PIC16F84A-04I/P offers the following functional features:

• Flash program memory for storing user code
• EEPROM data memory for non-volatile storage
• Timers and counters for precise timing operations
• Analog-to-Digital Converter (ADC) for analog signal processing
• Communication interfaces for data exchange with other devices
• General-purpose I/O pins for versatile connectivity options

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications
• High-performance RISC architecture enables efficient execution of instructions
• Integrated peripherals provide versatility in application development
• Compact package size allows for space-efficient designs

Disadvantages

• Limited program memory size may restrict the complexity of applications
• Relatively low clock frequency compared to some modern microcontrollers
• Limited RAM size may pose challenges for memory-intensive applications

Working Principles

The PIC16F84A-04I/P operates based on the principles of a Reduced Instruction Set Computer (RISC) architecture. It executes instructions stored in its program memory, interacts with peripherals and I/O devices, and performs calculations and data processing operations as directed by the user's code.

Detailed Application Field Plans

The PIC16F84A-04I/P finds application in various fields, including but not limited to:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Medical devices
5. Consumer electronics
6. Robotics
7. IoT (Internet of Things) devices

Detailed and Complete Alternative Models

While the PIC16F84A-04I/P is a popular microcontroller, there are alternative models available that offer similar functionality. Some notable alternatives include:

1. PIC16F628A
2. PIC16F877A
3. ATmega328P
4. STM32F103C8T6
5. MSP430G2553

These alternative models provide comparable features