CCG Host Processor Interface 001-97863-0P-V Apr 2021
This document describes the Host Processor Interface (HPI) implemented by Cypress’ CCG USB Type-C and USB Power Delivery (PD) controllers. This includes description of HPI Transport, Protocol, Registers and PD Message Handling. CCG devices are commonly used in PD port controller applications in systems like Notebook and Desktop computers, tablets, mobiles etc. In such cases, the system design typically includes a Host Processor or Embedded Controller (EC) that is responsible for the system polic