The Next Chapter

The next chapter describes the function of the Link Training and Status State Machine (LTSSM) of the Physical Layer. The chapter describes the initialization process of the Link from Power-On or Reset, until the full-on L0 state, where traffic on the Link can begin. In addition, the chapter describes the lower power management states L0s, L1, L2, L3 and briefly describes entry and exit procedure to/from these states.