Proteus Professional 7.6 Sp4

This feature allows for the co-simulation of microcontroller firmware (such as PIC, AVR, or 8051) directly within the circuit schematic. Notable Capabilities in Version 7.6 Professional PCB Design Software - Proteus

You need the original .iso or .exe file (around 150MB). Note: Labcenter has discontinued support for this version; use your own license or educational license if available. proteus professional 7.6 sp4