PIC18 Microcontrollers

Using the Microchip PIC18 USB CDC Framework

Introduction This tutorial explains in detail how to get the Microchip PIC18 USB CDC Framework up and running for a PIC18F4550 or PIC18F2550 (The PIC18F2550 is exactly the same as the PIC18F4550, except that it has fewer pins). However, following...

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Configuring the PIC18F4550 10-bit ADC module

As always, make sure you have a copy of the datasheet for your PIC. Here's a link to the PIC18F4550 datasheet. The Analog to Digital Converter on your PIC microcontroller is an incredibly useful tool. Using the ADC, you can interface all sorts...

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PIC18F4550 Configuration

As always, make sure you have a copy of the datasheet for your PIC. Here's a link to the PIC18F4550 datasheet. Before actually writing your program, you need to configure your microcontroller. You can view the configuration options by clicking...

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PIC18 Interrupts

Introduction to Interrupts PIC18 microcontrollers have high priority and low priority interrupts. When a high or low priority interrupt occurs, the program counter is loaded with the address of the respective interrupt vector and the program br...

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PIC18 RS-232 / Serial Communication

Make sure you have a copy of the datasheet for your PIC. Here's a link to the PIC18F4550 datasheet. The PIC18F4550 has one EUSART or Enhanced Universal Synchronous Asynchronous Receiver Transmitter module. The enhanced USART has several features that...

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PIC18F4550 Timer0

As always, make sure you have a copy of the datasheet for your PIC. Here's a link to the PIC18F4550 datasheet. In the LED blink code on the Downloads page, I use a for loop to create a delay in the program; after each delay, the logic level of the...

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