Altera ALTDLL - Manual (Page 92)

Chapter 4: Functional Description 4–56
Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices
© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide
5. Repeat steps 1 to 4 to insert other I/O buffer modules.
6. Use the appropriate connectors from the Block Editor toolbar to connect the I/O
buffer modules to the dq_dqs_inst.v module as shown in Figure 4–24 .
f For more information about the Quartus II Block Editor, refer to “Using the Block
Editor” in the Quartus II Help.