AVR单片机ATmega16的SPI功能测试，有仿真图-AVR single-chip SPI functional testing of the ATmega16, there is simulation of Figure

这是一个基于AVR16系列的SPI寄存器通信的源程序，本文件有MASTER与SLAVE两种文件，分别用于主从机间的通信-This is a series based on AVR16 SPI communication register of the source, the files have MASTER and SLAVE two documents, one for communication between master and slave