Terasic Altera DE3, User Manual

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DE3 User Manual
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IO Group: There are four I/O Groups in the DE3 Configuration window. The
HSTC connector A, B, C, and D correspond to I/O Groups A, B, C, and D on DE3
board, respectively. Disabled I/O Groups will not be listed in the Quartus II
top-level file. There are three options for each I/O Group as listed below:
i. Type: Users can select a connector type for I/O Group A and B., as
the HSTC connector A and B share the same I/O bus with the GPIO
expansion headers and DDRII SO-DIMM socket.
ii. I/O standard: Users can select the I/O standard for the I/O Group.
iii. Name: Users can change the name of a connector.
I/O GROUP Voltage-level Indicator: This function will indicate the V
CCIO
level
for current I/O standard setting of the four I/O Croups. The status is same as the
LEDs on the DE3 board. Please refer to Section 2.4 for details.
Connection Between Two Connectors
When users add a DE3 board and daughter board in the System configuration field, it is
necessary to establish the connection in between. The port name, port connection rules
(input/output) and the pin assignment of the connector in the top-level file will be fully
compatible with this daughter board. The detailed steps for the connection setup are
shown below:
Establish and remove a connection between two connectors:
i. Move the mouse cursor to the upper connector as shown in Figure 4.4 .
Figure 4.4. Step 1 of establishing a connection.
ii. Hold the left button of the mouse and Drag the mouse cursor to the
lower connector as shown in Figure 4.5.