：Proteus 是一种低投资的电子设计自动化软件，提供Schematic Drawing、

SPICE 仿真与PCB 设计功能，同时可以仿真单片机和周边设备，可以仿真51 系列、AVR、PIC

等常用的MCU，并提供周边设备的仿真，例如373、led、示波器等。Proteus 提供了大量的

元件库，有RAM、ROM、键盘、马达、LED、LCD、AD/DA、部分SPI 器件、部分IIC 器件，编

译方面支持Keil 和MPLAB 等编译器-: Proteus is a low investment in electronic design automation software, providing Schematic Drawing, SPICE simulation and PCB design functions, and can simulate the microcontroller and peripherals, can simulate the 51 series, AVR, PIC and other commonly used MCU, and peripherals provided simulation, such as 373, led, oscilloscope, etc. Proteus provides a number of libraries, there are RAM, ROM, keyboard, motors, LED, LCD, AD/DA, part of the SPI devices, part of the IIC device, compiled to support Keil compiler and MPLAB, etc.