Altera Interlaken MegaCore Function - Manual (Page 28)

4–2 Chapter 4: Functional Description
Architecture Overview
Interlaken MegaCore Function June 2012 Altera Corporation
User Guide
Architecture Overview
Figure 4–1 shows the main blocks of the Interlaken MegaCore function.
The following sections describe the individual interfaces, clocks, and blocks.
Interfaces Overview
The Altera Interlaken MegaCore function supports the following interfaces:
■ Interlaken Interface
■ Application Interface
■ Out-of-Band Flow Control Interface
Interlaken Interface
The Interlaken interface complies with the Interlaken Protocol Definition, Revision 1.2. It
provides a high-speed transceiver interface to an Interlaken link.
Figure 4–1. Interlaken MegaCore Function Block Diagram
HSIO Block
Interlaken MegaCore Function
Application
Interface
FIFO and Pipeline Registers (10- and 20-lane v
a
ri
ations only)
T
ransceiv
er Bloc
k
s
TX
PCS
TX
MAC
RX
PCS
RX
MAC
TX Out-of-Band
Flow Control
RX Out-of-Band
Flow Control
Calendar
and
Status
Filter
and
Buffer
Filter
and
Buffer
Packet
Regroup
Packet
Regroup
Arbiter
Channel 0
Channel 1
Channel 0
Channel 1
Calendar and
lane, link status
Out-of-Band Flow Control Block
Interlaken
Interface
Out-of-Band
Flow Control
Interface