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PIC18F2520-I/SO: A Technical Overview


Microcontrollers are everywhere. You may not even be aware of it, but there’s a good chance that the microcontroller in your smartphone is based on a technology developed for military applications more than 30 years ago. In this blog post, we’ll take a closer look at the PIC18F2520-I/SO microcontroller and its many features. We’ll also provide a technical overview of how it can be used in various applications, from embedded systems to robotics.

What is the PIC18F2520-I/SO?

The PIC18F2520-I/SO is a low-power 8-bit microcontroller family from Microchip Technology Inc. The PIC18F2520 features a powerful 16KB flash memory, 2 KB SRAM, and an on-chip oscillator that can provide up to 4 MHz operation. The device supports basic programming in the AVR GNU assembler and has various interfaces that allow it to be used with popular development tools.

Features of the PIC18F2520-I/SO

The PIC18F2520-I/SO is a low-cost, high-performance microcontroller featuring a 20MHz digital core and an integrated serial OSC controller. It is designed for system-on-a-chip (SoC) applications in mobile devices, point-of-sale terminals, portable media players, automotive controllers, home entertainment centers, and more. The PIC18F2520-I/SO integrates a rich set of features including:

On-board flash memory with a user-programmable capacity of 16 KB

High-speed I/O capabilities including four 10bit ADC channels and two 12bit DAC channels

A powerful DMA controller allowing concurrent data transfers to and from the on-board flash memory and peripherals

Three general-purpose I/O pins for interfacing with external components

Built-in power management features that enable the PIC18F2520-I/SO to operate from a single 3.3V supply while providing optional standby modes to conserve power

Hardware Overview

The PICF-I/SO is a low-power, programmable interrupt controller with a serial interface. It can be used to control interrupts and timers in digital systems while reducing power consumption. The PICF-I/SO also has an on-chip oscillator and can be used as a timer or clock source.

The PICF-I/SO is available in a 16-pin LQFP package.


• Low-power design

• Serial interface

• On-chip oscillator

• Timer or clock source

• 16-pin LQFP package

Programming the PIC18F2520-I/SO

The PIC18F2520-I/SO is a programmable microcontroller designed for low-cost

The PICF-I/SO is a low-power, programmable interrupt controller with a serial interface. It can be used to control interrupts and timers in digital systems while reducing power consumption. The PICF-I/SO also has an on-chip oscillator and can be used as a timer or clock source. applications. It has a fast instruction execution rate and a wide range of digital I/O capabilities. This Microchip product is suited for control systems, data acquisition, and many other prototyping and development applications.

Programming the PIC18F2520-I/SO is straightforward using the Microchip programming software suite (PWLib). The PWLib provides an easy to use graphical interface that makes programming the PIC18F2520-I/SO simple. All the features of the software are available including: assembly language programming, data logging, event monitoring, extended memory management, automatic variable assignment and more.

To program the PIC18F2520-I/SO using PWLib:

1. Launch the programming software and connect your target device to your computer via a USB cable.

2. Select your device in the Device Tree window on the left side of the screen.

3. Click on Program in the Main Window toolbar.

4. In the Program window that pops up, select your target code language from the Code Language drop-down list and click on Start Programming. 

5. Once your target code is running, you can debug it using one of Microchip’s Debuggers such as MPLAB XE or MPLAB SE.


PICF-I/SO is an advanced networking protocol developed to provide a high-performance, scalable, and reliable inter-network communication framework. It can be used to create overlay networks for solving disparate problems in the fields of networks, sensors, vehicles, smart cities, healthcare and others.

Though similar to other communication protocols such as TCP/IP or ARP, PICF-I/SO has several unique features that make it a powerful tool for network architects and engineers. For example, it employs a “payload encapsulation technique” that allows messages to be compressed without affecting their payloads. This makes PICF-I/SO ideal for use in large networks where bandwidth is scarce.

In addition, PICF-I/SO manages its own routing table and flood control solutions. This allows it to overcome congestion and achieve high throughput rates even in large networks. Additionally, PICF-I/SO provides support for multicast and broadcast traffic management which enhances network reliability.

Programming Model

Programming Model

The PICF-I/SO programming model supports a high-level, declarative programming language that can be used to create and control electronic systems. The language is based on the FPGA architecture and offers an efficient means for designing complex systems.

FPGA Architecture

The PICF-I/SO design environment is based on the FPGA architecture, which is a type of digital circuit board. FPGAs are specifically designed for rapid prototyping and low-volume production. They offer a number of advantages over traditional microprocessor-based systems, including faster execution speeds, reduced power consumption, and increased flexibility.

With the PICF-I/SO design environment, users can create circuits using standard FPGA tools and manufactures them on custom FPGA boards. This allows them to quickly develop prototypes or integrate features into larger designs. In addition, the programmable logic devices (PLDs) available in the design environment make it easy to connect different components together to create complex systems.


The PIC18F2520-I/SO is a microcontroller that has been designed for low-power applications. It features a 16 KB flash memory and 4 KB of RAM, making it perfect for use in low-power systems such as smart home controllers or low-cost sensors. In addition to its capabilities as a microcontroller, the PIC18F2520-I/SO can also be used for embedded programming and communication. Thanks to its wide range of features and abilities, the PIC18F2520-I/SO is perfect for use in a variety of applications.

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