PIC18F4450-I/ML

Product Overview

Use

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

Characteristics

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

Package

The PIC18F4450-I/ML is available in a small form factor package, known as the ML package.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities in a compact package.

Packaging/Quantity

The PIC18F4450-I/ML is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

Microcontroller Family: PIC18F
Core Size: 8-bit
Program Memory Size: 32KB (Flash)
RAM Size: 2KB
Number of I/O Pins: 34
Operating Voltage Range: 2.0V to 5.5V
Maximum Clock Speed: 48MHz
Communication Interfaces: UART, SPI, I2C
Analog-to-Digital Converter (ADC): 10-bit, 13 channels
Timers/Counters: 4 x 8-bit, 1 x 16-bit
PWM Channels: 5
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18F4450-I/ML has a total of 34 pins, each serving a specific purpose. The pin configuration is as follows:

Pin 1: VDD (Power Supply)
Pin 2: RA0/AN0 (Analog Input/Output)
Pin 3: RA1/AN1 (Analog Input/Output)
Pin 4: RA2/AN2/VREF-/CVREF (Analog Input/Output, Voltage Reference)
Pin 5: RA3/AN3/VREF+/C1OUT (Analog Input/Output, Voltage Reference, Comparator Output)
Pin 6: RA4/T0CKI/C2OUT (Timer0 Clock Input, Comparator Output)
Pin 7: RA5/AN4/SS/HLVDIN (Analog Input/Output, Slave Select, High/Low Voltage Detect Input)
Pin 8: RE0/RD/AN5 (Port E Bit 0, Read/Write, Analog Input/Output)
Pin 9: RE1/WR/AN6 (Port E Bit 1, Write, Analog Input/Output)
Pin 10: RE2/CS/AN7 (Port E Bit 2, Chip Select, Analog Input/Output)
... (remaining pins)

Functional Features

The PIC18F4450-I/ML offers a range of functional features that enhance its usability and performance. Some notable features include:

Enhanced Capture/Compare/PWM (ECCP) module for advanced motor control applications
USB 2.0 Full-Speed Device/Host/OTG functionality for versatile connectivity options
Enhanced USART module for serial communication
Integrated hardware support for I2C and SPI protocols
Flexible interrupt handling capabilities for efficient event-driven programming
On-chip debugging support for easy development and troubleshooting

Advantages and Disadvantages

Advantages

High-performance architecture enables efficient processing and control tasks.
Wide operating voltage range allows for compatibility with various power sources.
Integrated peripherals reduce the need for external components, saving cost and board space.
Low power consumption extends battery life in portable applications.
Robust communication interfaces facilitate seamless data exchange with other devices.

Disadvantages

Limited program memory size may restrict the complexity of applications.
8-bit architecture may not be suitable for computationally intensive tasks.
Lack of on-chip analog-to-digital converters may require external components for certain applications.
Limited number of I/O pins may limit the connectivity options in complex systems.

Working Principles

The PIC18F4450-I/ML operates based on the principles of microcontroller architecture. It executes instructions stored in its flash program memory to perform various tasks. The microcontroller interacts with external devices through its I/O pins and utilizes its integrated peripherals to handle communication, timing, and control functions. By following a set of instructions, it can process data, respond to events, and execute specific operations as required by the application.

Detailed Application Field Plans

The PIC18F4450-I/ML finds applications in various fields, including but not limited to:

Industrial Automation: Control systems, monitoring devices, and data acquisition units.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van PIC18F4450-I/ML in technische oplossingen

Question: What is the maximum operating frequency of PIC18F4450-I/ML?
Answer: The maximum operating frequency of PIC18F4450-I/ML is 48 MHz.
Question: Can PIC18F4450-I/ML be used for USB communication?
Answer: Yes, PIC18F4450-I/ML has built-in USB functionality and can be used for USB communication.
Question: What are the available memory options for PIC18F4450-I/ML?
Answer: PIC18F4450-I/ML has 16 KB of flash memory and 256 bytes of EEPROM.
Question: Does PIC18F4450-I/ML support analog-to-digital conversion (ADC)?
Answer: Yes, PIC18F4450-I/ML features a 10-bit ADC with up to 13 channels.
Question: Can PIC18F4450-I/ML be programmed using C language?
Answer: Yes, PIC18F4450-I/ML can be programmed using C language with the appropriate compiler.
Question: What are the available communication interfaces on PIC18F4450-I/ML?
Answer: PIC18F4450-I/ML supports USART, SPI, and I2C communication interfaces.
Question: Is PIC18F4450-I/ML suitable for low-power applications?
Answer: Yes, PIC18F4450-I/ML offers low-power modes and is suitable for low-power applications.
Question: Can PIC18F4450-I/ML be used in industrial control systems?
Answer: Yes, PIC18F4450-I/ML is suitable for use in industrial control systems due to its robust features.
Question: What development tools are available for programming PIC18F4450-I/ML?
Answer: Development tools such as MPLAB X IDE and PICkit programmers can be used for programming PIC18F4450-I/ML.
Question: Are there any application notes or reference designs available for PIC18F4450-I/ML?
Answer: Yes, Microchip provides application notes and reference designs for implementing PIC18F4450-I/ML in various technical solutions.