UnoArduSim is a free educational tool for everyone to use. Simple blink code (LED connected to pin 8).
New empty page for Arduino UNO project.Click on Arduino UNO under “Start a New Project”.You need to load compatible code in Arduino using ArduinoIDE to make it work in tandem with PSpice. You can simulate Arduino board with PSpice using Release 17.2 – PSpice device model interface functionality. How to burn an Arduino bootloader on an ATmega328?.