本文档主要介绍SPIIP核的使用方法SPIisanindustry-standardserialprotocolcommonlyusedinembeddedsystemstoconnectmicroprocessorstoavarietyofoff-chipsensor,conversion,memory,andcontroldevices.TheSPIcorewithAvalon®interfaceimplementstheSPIprotocolandprovidesanAvalonMemory-Mapped(Avalon-MM)interfaceonthebacke