Instruction Manual

6 UG043, April 26, 2014
Core Fabric
WN IO
Cluster
WN Hard DDR3
Controller
WC IO
Cluster
WC Hard DDR3
Controller
WS IO
Cluster
WS Hard DDR3
Controller
EN Hard DDR3
Controller
EC Hard DDR3
Controller
ES Hard DDR3
Controller
EN IO
Cluster
EC IO
Cluster
ES IO
Cluster
Figure 3: Speedster22iHD IO Cluster Organization
The next sections will discuss the actual PHY implementation for the different memory
interfaces in more detail.