2–16
Reference Manual
Altera Corporation
Stratix II GX EP2SGX90 Transceiver Signal Integrity Development Board
May 2006
Interfaces
General User Interfaces
To allow you to fully leverage the I/O capabilities of the Stratix II GX
device for debugging, control, and monitoring purposes, the following
general user interfaces are available on the board:
■
Debug Header
■
LEDs
■
7-segment display
■
LCD interface
■
Push buttons
■
DIP switches
Deb
u
g Heade
r
(J1)
Board reference J1 is a simple 20-pin debug header connected to the
Stratix II GX device’s general user I/O. The form factor is a dual row
header such as a FCI 20-pin header (Samtec TSW-110-07-G-D).
lists the schematic signal name and the corresponding Stratix II GX
device pin number.
Table 2–10. Debug Header Pin-Out (Part 1 of 2)
Header Number
Schematic Signal Name
Stratix II GX (U20)
Pin Number
1
D_HED0
AB30
2
D_HED1
AA23
3
D_HED2
AB23
4
D_HED3
AB33
5
D_HED4
AB32
6
D_HED5
AA26
7
D_HED6
AA25
8
D_HED7
AA34
9
D_HED8
AB34
10
D_HED9
AB29
11
D_HED10
AB28
12
D_HED11
AC32
13
D_HED12
AC31
14
D_HED13
AB24
15
D_HED14
AC24
16
D_HED15
AC34
17
D_HED16
AC33