PIC18F442-I/P

Product Overview

Category

The PIC18F442-I/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

• High-performance 8-bit architecture
• Flash memory for program storage
• Integrated peripherals for enhanced functionality
• Low power consumption
• Wide operating voltage range
• Robust communication interfaces

Package

The PIC18F442-I/P is available in a 40-pin PDIP (Plastic Dual In-line Package) package.

Essence

The essence of the PIC18F442-I/P lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC18F442-I/P is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of microcontrollers.

Specifications

• Architecture: 8-bit
• Program Memory Size: 16 KB
• RAM Size: 768 bytes
• Number of I/O Pins: 33
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 40 MHz
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Timers: 3 x 8-bit, 1 x 16-bit
• PWM Channels: 2
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18F442-I/P has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

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. RA5 - General-purpose I/O pin
8. VSS - Ground
9. OSC1/CLKIN - Oscillator input
10. OSC2/CLKOUT - Oscillator output
11. RC0 - General-purpose I/O pin
12. RC1 - General-purpose I/O pin
13. RC2 - General-purpose I/O pin
14. RC3 - General-purpose I/O pin
15. RC4 - General-purpose I/O pin
16. RC5 - General-purpose I/O pin
17. RB0/INT - General-purpose I/O pin / External interrupt input
18. RB1 - General-purpose I/O pin
19. RB2 - General-purpose I/O pin
20. RB3 - General-purpose I/O pin
21. RB4 - General-purpose I/O pin
22. RB5 - General-purpose I/O pin
23. RB6 - General-purpose I/O pin
24. RB7 - General-purpose I/O pin
25. RB8 - General-purpose I/O pin
26. RB9 - General-purpose I/O pin
27. RB10 - General-purpose I/O pin
28. RB11 - General-purpose I/O pin
29. RB12 - General-purpose I/O pin
30. RB13 - General-purpose I/O pin
31. RB14 - General-purpose I/O pin
32. RB15 - General-purpose I/O pin
33. VCAP - Capacitor connection for internal voltage regulator
34. VUSB - USB power supply
35. AVDD - Analog power supply
36. AN0 - Analog input channel 0
37. AN1 - Analog input channel 1
38. AN2 - Analog input channel 2
39. AN3 - Analog input channel 3
40. AVSS - Analog ground

Functional Features

The PIC18F442-I/P offers a range of functional features that enhance its capabilities:

1. Flash memory for program storage allows for easy reprogramming and flexibility.
2. Integrated peripherals such as UART, SPI, and I2C enable seamless communication with other devices.
3. The analog-to-digital converter (ADC) facilitates the conversion of analog signals into digital data.
4. Timers and PWM channels provide precise timing control and pulse width modulation capabilities.

Advantages and Disadvantages

Advantages

• High-performance architecture enables efficient processing.
• Low power consumption extends battery life in portable applications.
• Wide operating voltage range allows for compatibility with various power sources.
• Robust communication interfaces simplify integration with external devices.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Relatively small RAM size may limit the amount of data that can be processed simultaneously.

Working Principles

The PIC18F442-I/P operates based on the principles of microcontroller architecture. It executes instructions stored in its