Proteus Design Suite 8.11 SP1

Proteus is a software package for computer-aided design of electronic circuits. The package is a system of circuit simulation based on models of electronic components adopted in PSpice. A distinctive feature of the Proteus Professional package is the ability to simulate the operation of programmable devices: microcontrollers, microprocessors, DSP, and more. Additionally, the Proteus package includes a PCB design system. Proteus Professional can simulate the following microcontrollers: 8051, ARM7,AVR,Motorola, PIC, Basic Stamp. The component library contains reference data.

https://developer.team/misc-development/29557-proteus-design-suite-811-sp1.html