
2–18 Reference Manual Altera Corporation
Arria GX Development Board October 2007
General User Interfaces
1 Pin AE17 is the DEV_CLRn pin; when enabled in the Quartus II
software, it will reset all Arria GX device registers. The
USER_RESET push button is board reference S4. Pin AE17 can
also be used as a standard input.
User-Defined DIP Switch (S3)
Board reference S3 is an eight-pin DIP switch. The DIP switches in S3 are
user-defined, and are provided for additional FPGA input control. Each
pin can be set to a logic 0 by setting it to the closed position, and each pin
can be set to logic 1 by setting it to the open position.
Table 2–14 lists the DIP switch settings, schematic signal name, and
corresponding Arria GX device’s pin number.
S2 USER_PB1 B19
S4 USER_RESET AE17
Table 2–14. User-Defined DIP Switch Pin-Out (S3)
S3 Switch Schematic Signal Name Arria GX Device Pin
1 USER_DIPSW0 C21
2 USER_DIPSW1 A21
3 USER_DIPSW2 B20
4 USER_DIPSW3 C20
5 USER_DIPSW4 B23
6 USER_DIPSW5 C23
7 USER_DIPSW6 B25
8 USER_DIPSW7 C25
Table 2–13. Push-Button Switch Signal Names and Functions (Part 2 of 2)
Board Reference
Schematic
Signal Name
Arria GX Pin Number
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