Specific Case Of Tcpm/Tcpc Architecture; Figure 2. Usb Type-C™ Port Manager To Usb Type-C™ Port Controller Interface - ST STM32 User Manual

USB-C™ PD architecture
2.2

Specific case of TCPM/TCPC architecture

Implementation of USB-PD function may also be achieved in a TCPM/TCPC architecture,
with a standardized interface between USB Type-C™ port manager (TCPM) and a simple
USB Type-C™ port controller (TCPC) with the goal of easing USB Type-C™ Power Delivery
implementations.
Figure 2. USB Type-C™ port manager to USB Type-C™ port controller interface
TCPC interface (TCPCi) is using an I
interface Specification (TCPCi) defines the interface between the TCPM and the TCPC(s).
In this architecture, one TCPM may be used to drive multiple TCPCs.
Protocol (PRL) functionalities are shared between TCPM and TCPC. TCPC must manage:
• GoodCRC management
•
Retransmission
ST firmware architecture is described in
8/18
2
C link and an alert pin. USB Type-C™ port controller
Figure 3:
UM2063 Rev 5
UM2063