PIC16F873A-I/ML

Product Overview

Category

The PIC16F873A-I/ML belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit RISC architecture
• Flash-based program memory
• Low power consumption
• Wide operating voltage range
• Enhanced peripheral integration
• Flexible I/O options

Package

The PIC16F873A-I/ML is available in a small form factor, known as the ML package. This package offers compactness and ease of integration into electronic systems.

Essence

The essence of the PIC16F873A-I/ML lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of applications.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Architecture: 8-bit RISC
• Program Memory Size: 7.5 KB
• RAM Size: 192 bytes
• Number of I/O Pins: 22
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 20 MHz
• ADC Channels: 5
• Timers: 3
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F873A-I/ML has a total of 28 pins. The pin configuration is as follows:

1. RA0 - Analog Input/Output
2. RA1 - Analog Input/Output
3. RA2 - Analog Input/Output
4. RA3 - Analog Input/Output
5. RA4/T0CKI - Analog Input/Output / Timer0 Clock Input
6. RA5/MCLR/VPP - Analog Input/Output / Master Clear Input / Programming Voltage
7. VSS - Ground
8. RA7/OSC1/CLKIN - Analog Input/Output / Oscillator 1 Input / External Clock Input
9. RA6/OSC2/CLKOUT - Analog Input/Output / Oscillator 2 Output / Clock Output
10. RB0/INT - Digital I/O / External Interrupt Input
11. RB1 - Digital I/O
12. RB2 - Digital I/O
13. RB3/PGM - Digital I/O / Programming Data
14. RB4 - Digital I/O
15. RB5 - Digital I/O
16. RB6/PGC - Digital I/O / Programming Clock
17. RB7/PGD - Digital I/O / Programming Data
18. VDD - Power Supply
19. RC0/T1OSO/T1CKI - Digital I/O / Timer1 Oscillator Output / Timer1 Clock Input
20. RC1/T1OSI/CCP2 - Digital I/O / Timer1 Oscillator Input / CCP2
21. RC2/CCP1 - Digital I/O / CCP1
22. RC3/SCK/SCL - Digital I/O / SPI Clock / I2C Clock
23. RC4/SDI/SDA - Digital I/O / SPI Data Input / I2C Data
24. RC5/SDO - Digital I/O / SPI Data Output
25. RC6/TX/CK - Digital I/O / USART Transmit / Clock
26. RC7/RX/DT - Digital I/O / USART Receive / Data

Functional Features

The PIC16F873A-I/ML offers several functional features that enhance its usability and performance:

• Flash-based program memory allows for easy reprogramming of the microcontroller.
• Enhanced peripheral integration provides a wide range of communication and control options.
• Low power consumption makes it suitable for battery-powered applications.
• Flexible I/O options enable easy interfacing with external devices.
• High-performance RISC architecture ensures efficient execution of instructions.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable and battery-powered applications.
• Wide operating voltage range allows for compatibility with various power sources.
• Enhanced peripheral integration reduces the need for additional components.
• Flash-based program memory enables easy reprogramming and updates.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• The number of I/O pins may be insufficient for certain projects requiring extensive interfacing.
• Lack of built-in hardware encryption limits its use in secure applications.

Working Principles

The PIC16F873A-I/ML operates based on the principles of an 8-bit RISC architecture. It executes instructions stored in its flash-based program memory, utilizing its integrated peripherals to perform various tasks. The microcontroller communicates with external devices through its I/O pins and interfaces, enabling control and data exchange.