Altera Cyclone IV GX FPGA Development Board - Manual (Page 25)

Chapter 2: Board Components 2–17
Configuration, Status, and Setup Elements
May 2013 Altera Corporation Cyclone IV GX FPGA Development Board
Reference Manual
Table 2–9 lists the board-specific LEDs component references and manufacturing
information.
Setup Elements
The development board includes several different kinds of setup elements. This
section describes the following setup elements:
■ Board settings DIP switch
■ JTAG chain select DIP switch
■ PCIe control DIP switch
■ Configuration push buttons
■ System reset push button
Board Settings DIP Switch
The board settings DIP switch (S1) controls various features specific to the board and
the MAX
II CPLD EPM2210 System Controller logic design. Table 2–10 shows the
switch controls and descriptions.
Table 2–9. Board-Specific LEDs Component References and Manufacturing Information
Board Reference Description Manufacturer Manufacturer Part Number Manufacturer Website
D17, D18 Red LED Lumex, Inc. SML-LXT0805IW-TR www.lumex.com
D1, D2, D11, D16,
D19–D22, D24–D27,
D30, D31
Green LEDs Lumex, Inc. SML-LXT0805GW-TR www.lumex.com
D11 Blue LED Lumex, Inc. SML-LX1206USBC-TR www.lumex.com
Table 2–10. Board Settings DIP Switch Controls
Board
Reference
Schematic Signal Name Description Default (1)
SW1.1 USER_FACTORY
ON : Factory image
OFF : User image
ON
SW1.2 CLK125_EN
ON : 125-MHz clock enabled
OFF : 125-MHz clock disabled
ON
SW1.3 CLKA_EN
ON : On-Board oscillator enabled
OFF : On-Board oscillator disabled
ON
SW1.4 CLKA_SEL
ON : 100-MHz oscillator input select
OFF : SMA input select
ON
Note to Table 2–10 :
(1) ON indicates a setting of ’0’ while OFF indicates a setting of ’1’.