很多系统中都需要在本地保存大量的数据和一些常数，然后进行本地处理。这就需要一个存储介质。在实际应用中，许多数据采集系统的数据量都比较大，因此对系统的存储容量有很高的要求，一般普通的EPROM或FLASH的容量都很难以满足要求。而大容量的FLASH M25PXX系列就能够很好地满足需求，您可以根据需要进行选择。本例采用M25P80。主要实现向FLASH写一组数据然后读出来，设计中包括了M25P80操作的基本子程序，读者可以根据实际要求组合自己需要的程序。-A lot of systems are required at the local preservation of large amounts of data and a number of constants, and then proceed to local treatment. This requires a storage medium. In practice, many data acquisition systems larger than the amount of data, so the system has a high storage capacity requirements of an ordinary EPROM or FLASH is very difficult to meet capacity requirements. And large-capacity FLASH M25PXX series will be able to meet the demand well, you can select as needed. Example use of the M25P80. Writing to FLASH Main achieve one set of data then read out, the design includes the basic subroutine M25P80 operation, readers can request in accordance with the actual portfolio of their own procedures required.