Altera Stratix IV GX FPGA Development Board - Manual (Page 36)

2–28 Chapter 2: Board Components
General User Input/Output
Stratix IV GX FPGA Development Board, 530 Edition Reference Manual November 2010 Altera Corporation
Table 2–26 lists the user-defined DIP switch component reference and the
manufacturing information.
User-Defined LEDs
The development board includes general and HSMC user-defined LEDs. This section
describes all user-defined LEDs. For information on board specific or status LEDs,
refer to
“Status Elements” on page 2–16 .
General User-Defined LEDs
Board references D6 through D13 and D16 through D23 are 16 user LEDs which allow
status and debugging signals to be driven to the LEDs from the designs loaded into
the Stratix IV GX device. The LEDs illuminate when a logic 0 is driven, and turns off
when a logic 1 is driven. There is no board-specific function for these LEDs.
Table 2–27 lists the user-defined LED schematic signal names and their corresponding
Stratix IV GX pin numbers.
Table 2–26. User-Defined DIP Switch Component Reference and Manufacturing Information
Board
Reference
Description Manufacturer
Manufacturer
Part Number
Manufacturer Website
SW3 Eight-Position DIP switch C & K Components TDA08H0SB1 www.ck-components.com
Table 2–27. User-Defined LED Schematic Signal Names and Functions
Board Reference Description
Schematic
Signal Name
I/O Standard
Stratix IV GX Device
Pin Number
D23
User-Defined LEDs.
Driving a logic 0 on the I/O
port turns the LED ON. Driving
a logic 1 on the I/O port turns
the LED OFF.
USR_LED0
2.5-V
F33
D22 USR_LED1 AK33
D21 USR_LED2 W28
D20 USR_LED3 L34
D19 USR_LED4 AM34
D18 USR_LED5 M32
D17 USR_LED6 L35
D16 USR_LED7 AM35
D13 USR_LED8 N34
D12 USR_LED9 W35
D11 USR_LED10 AE30
D10 USR_LED11 V30
D9 USR_LED12 AG30
D8 USR_LED13 AD29
D7 USR_LED14 U31
D6 USR_LED15 U35