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HPI (Host Port Interface) is a transmission interface, which is designed for DSP by TI (Texas Instruments). Hereinto, with the help of HPI, the DSP C5000 series and DSP C6000 series can be used to control all kinds of resources.
Specifically, the HPI can be divided into two kinds, HPI-8 and HPI-16, which are used to transmit the 8-bit data and 16-bit data respectively. At the same time, the HPI-8 and HPI-16 can be divided into the Standard Type and the Enhanced Type