The PIC18F2550 from Microchip Technology is widely recognized for its reliable performance, integrated peripherals, and built-in USB communication capability. This article will discuss the PIC18F2550 microcontroller’s overview, specifications, programming method, ordering variants, features, working circuit, and more.

Catalog

PIC18F2550 Microcontroller Basic

The PIC18F2550 is a high-performance 8-bit microcontroller developed by Microchip Technology and part of the PIC18 family. It integrates a powerful CPU core, Flash program memory, RAM, and multiple peripherals into a single chip, making it suitable for complex embedded system designs. The device operates with an enhanced instruction set that allows efficient processing and flexible control of digital and analog signals. Its architecture is designed to provide reliable performance while maintaining low power consumption.

This microcontroller includes 32 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM for data storage. It can operate at clock speeds up to 48 MHz using an internal Phase-Locked Loop (PLL). The PIC18F2550 also features multiple communication interfaces such as USART, SPI, and I²C, along with a 10-bit Analog-to-Digital Converter (ADC) and several programmable I/O pins. In addition, it includes a built-in USB 2.0 full-speed interface, allowing direct USB communication.

If you are interested in purchasing the PIC18F2550, feel free to contact us for pricing and availability.

PIC18F2550 Microcontroller CAD Models

PIC18F2550-I/SP symbol, footprint and 3d model.

PIC18F2550 Symbol

PIC18F2550 Footprint

PIC18F2550 3D Model

PIC18F2550 Microcontroller Pinout

Alternatives & Equivalent Model

• PIC18F2455

• PIC18F4550

• PIC18F13K50

• PIC18F25K22

• PIC16F886

• PIC16F877A

• ATmega328P

• ATmega32U4

PIC18F2550 Functional Block Diagram

Specifications of PIC18F2550

PIC18F2550-I/SP specs.

Wide Features of PIC18F2550

USB 2.0 Full-Speed Support

The PIC18F2550 includes a built-in USB 2.0 compliant module that supports both Low-Speed (1.5 Mb/s) and Full-Speed (12 Mb/s) communication. It can handle different USB transfer types such as control, interrupt, isochronous, and bulk transfers. The integrated USB transceiver and voltage regulator simplify hardware design for USB communication.

High-Speed Processing Performance

This microcontroller operates at speeds of up to 48 MHz using an internal Phase-Locked Loop (PLL). The enhanced PIC18 architecture allows efficient instruction execution and improved overall system performance.

Flexible Oscillator System

The PIC18F2550 provides several oscillator options, including internal and external clock sources. It supports multiple clock modes, allowing designers to optimize performance, power consumption, and timing stability.

Power-Managed Operating Modes

The device includes Run, Idle, and Sleep modes to reduce power consumption. These power management modes allow the microcontroller to disable unused modules while maintaining essential operations.

Advanced Communication Interfaces

Multiple communication modules are available, including USART, SPI, and I²C through the MSSP module. These interfaces enable the microcontroller to exchange data with various digital devices and embedded systems.

Analog-to-Digital Converter (ADC)

The PIC18F2550 integrates a 10-bit Analog-to-Digital Converter with multiple input channels. This ADC allows the microcontroller to measure analog signals and convert them into digital values for processing.

Capture/Compare/PWM (CCP) Modules

The microcontroller includes CCP and Enhanced CCP (ECCP) modules used for precise timing operations. These modules support capture, compare, and pulse-width modulation functions for signal measurement and control.

Timer Modules

Up to four timer modules are available for timing, counting, and event measurement. These timers provide accurate timing control for embedded system operations.

Interrupt System

The PIC18F2550 supports multiple interrupt sources and priority levels, allowing fast response to external or internal events. This feature improves system efficiency and real-time processing.

Memory Features

The device contains 32 KB Flash program memory, 2 KB SRAM, and 256 bytes of EEPROM. The Flash memory supports up to 100,000 erase/write cycles, ensuring reliable program storage.

Built-in Safety and Monitoring Features

Additional features such as Brown-out Reset, Power-on Reset, Watchdog Timer, and Fail-Safe Clock Monitor help maintain system reliability and protect the microcontroller during abnormal operating conditions.