Altera DE2-115 User Manual page 75

Figure 5-5 GPIO Expansion Group
The "Prefix Name" is an optional feature which denotes the prefix pin name of the daughter card
assigned in your design. Users may leave this field empty.
 HSMC Expansion
Users can connect HSMC-interfaced daughter cards onto HSMC located on the DE2-115 board
shown in Figure 5-6. Select the daughter card you wish to add to your design under the appropriate
HSMC connector where the daughter card is connected to. The System Builder will automatically
generate the associated pin assignment including pin name, pin location, pin direction, and IO
standard.
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