PIC18F2221-I/SP

Product Overview

Category

The PIC18F2221-I/SP belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit architecture
• Flash-based program memory
• Low power consumption
• Wide operating voltage range
• Integrated peripherals for enhanced functionality
• Flexible I/O options

Package

The PIC18F2221-I/SP is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the PIC18F2221-I/SP lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with each containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Architecture: 8-bit
• Program Memory Size: 4 KB
• RAM Size: 256 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 20 MHz
• Number of I/O Pins: 22
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Timers: 3 x 8-bit, 1 x 16-bit
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC18F2221-I/SP has a total of 28 pins, each serving a specific purpose. Here is a detailed pin configuration:

1. VDD - Power supply voltage
2. RA0 - General-purpose I/O pin
3. RA1 - General-purpose I/O pin
4. RA2 - General-purpose I/O pin
5. RA3 - General-purpose I/O pin
6. RA4 - General-purpose I/O pin
7. MCLR - Master Clear input
8. VSS - Ground
9. RB0/INT - General-purpose I/O pin / External Interrupt input
10. RB1 - General-purpose I/O pin
11. RB2 - General-purpose I/O pin
12. RB3 - General-purpose I/O pin
13. RB4 - General-purpose I/O pin
14. RB5 - General-purpose I/O pin
15. RB6 - General-purpose I/O pin
16. RB7 - General-purpose I/O pin
17. VDD - Power supply voltage
18. OSC1/CLKIN - Oscillator input
19. OSC2/CLKOUT - Oscillator output
20. VSS - Ground
21. RC0 - General-purpose I/O pin
22. RC1 - General-purpose I/O pin
23. RC2 - General-purpose I/O pin
24. RC3 - General-purpose I/O pin
25. RC4 - General-purpose I/O pin
26. RC5 - General-purpose I/O pin
27. RC6/TX/CK - General-purpose I/O pin / USART Transmit / Clock
28. RC7/RX/DT - General-purpose I/O pin / USART Receive / Data

Functional Features

The PIC18F2221-I/SP offers several functional features that enhance its usability and performance:

• Flash-based program memory allows for easy reprogramming of the microcontroller.
• Integrated peripherals, such as ADC, timers, and communication interfaces, provide additional functionality without the need for external components.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range ensures compatibility with various power sources.
• Flexible I/O options enable versatile connectivity with external devices.

Advantages and Disadvantages

Advantages

• High-performance architecture for efficient processing.
• Flash-based program memory allows for easy updates and modifications.
• Integrated peripherals reduce the need for external components, saving space and cost.
• Low power consumption extends battery life in portable applications.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• 8-bit architecture may not be suitable for certain demanding tasks.
• Limited number of I/O pins may limit the connectivity options in complex systems.

Working Principles

The PIC18F2221-I/SP operates based on an 8-bit architecture, where instructions are executed sequentially. It fetches instructions from the program memory and performs the necessary operations using its internal registers and peripherals. The microcontroller communicates with external devices through its I/O pins and utilizes integrated peripherals to perform tasks such as analog-to-digital conversion, timing, and communication.

Detailed Application Field Plans

The PIC18F2221-I/SP finds applications in various fields, including but not limited to:

1. Industrial automation: Control systems, monitoring devices, and data acquisition systems.
2. Consumer electronics: Home appliances, remote controls, and audio/video equipment