Altera Interlaken MegaCore Function - Manual (Page 27)

June 2012 Altera Corporation Interlaken MegaCore Function
User Guide
4. Functional Description
The Interlaken MegaCore function provides the functionality described in the
Interlaken Protocol Definition, Revision 1.2, and arbitration between two incoming
user-defined channels, and regroups received data to two outgoing user-defined
channels. This chapter describes the individual interfaces and main blocks of the
Interlaken MegaCore function and how data passes between them.
This chapter contains the following sections:
■ “Architecture Overview”
■ “Interfaces Overview”
■ “Clocking and Reset Structure” on page 4–5
■ “Transmit Path” on page 4–11
■ “Receive Path” on page 4–17
■ “Calendar and Status Block” on page 4–20
■ “High-Speed I/O Block” on page 4–22
■ “Out-of-Band Flow Control Block” on page 4–24