如果是可以用作GPIO,为什么我没看到配置GPO的输出值的寄存器呢?
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因为这款器件EtherCAT的PDI接口没有数字I/O功能,所以为这款器件的EtherCAT增加了GPI以及GPO。
spruiz1a_TMS320F28P65x Real-Time Microcontrollers Technical Reference Manual (Rev. A)第4493页26.1.6.3 General-Purpose Inputs and Outputs
具体的配置请产看第4510页26.2.9 General-Purpose Inputs and Outputs