PIC18F458-I/P

Product Overview

Category

The PIC18F458-I/P 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
• Wide operating voltage range
• Low power consumption
• Enhanced peripheral integration

Package

The PIC18F458-I/P is available in a 40-pin PDIP (Plastic Dual Inline Package) format.

Essence

The essence of the PIC18F458-I/P lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic devices and systems.

Packaging/Quantity

The PIC18F458-I/P is typically packaged in tubes or trays, with quantities varying depending on the supplier and customer requirements.

Specifications

• Microcontroller Family: PIC18F
• CPU Speed: Up to 40 MHz
• Program Memory Size: 32 KB
• RAM Size: 1536 bytes
• Number of I/O Pins: 36
• ADC Channels: 13
• UART Modules: 2
• Timers: 4
• Operating Voltage Range: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18F458-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
37. AN1 - Analog input channel
38. AN2 - Analog input channel
39. AN3 - Analog input channel
40. AVSS - Analog ground

Functional Features

The PIC18F458-I/P offers a range of functional features that enhance its performance and versatility:

• High-speed processing capabilities
• Flash memory for program storage
• Integrated analog-to-digital converters (ADC)
• Multiple communication interfaces (UART, SPI, I2C)
• Timers and PWM modules for precise timing control
• Interrupt handling for efficient event-driven programming
• Low-power modes for energy-efficient operation

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables fast and efficient processing.
• Flash-based program memory allows for easy reprogramming and updates.
• Wide operating voltage range provides flexibility in various applications.
• Enhanced peripheral integration reduces the need for external components.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited program memory size compared to higher-end microcontrollers.
• Relatively fewer I/O pins may restrict the number of connected peripherals.
• Lack of advanced features found in more specialized microcontrollers.

Working Principles

The PIC18F458-I/P operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with external devices through its I/O pins, and utilizes its integrated peripherals to perform various tasks. The microcontroller