
Chapter 2: Board Components 2–17
Setup Elements
November 2013 Altera Corporation Cyclone V SoC Development Board
Reference Manual
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 control DIP switch
■ FPGA configuration mode DIP switch
■ HPS jumpers
■ CPU reset push button
■ MAX V reset push button
■ Program configuration push button
■ Program select push button
f For more information about the default settings of the DIP switches, refer to the
Cyclone V SoC Development Kit User Guide.
Board Settings DIP Switch
The board settings DIP switch (SW2) controls various features specific to the board
and the MAX V CPLD 5M2210 System Controller logic design. Table 2–8 lists the
switch controls and descriptions.
Table 2–8. Board Settings DIP Switch Controls
Switch Schematic Signal Name Description
1
CLK125A_EN
ON: Select programmable oscillator clock
OFF: Select SMA input clock
2
Si570_EN
ON: Disable on-board oscillator
OFF: Enable on-board oscillator
3
FACTORY_LOAD
ON: Load the factory design from flash at power up.
OFF: Disable the PFL and do not configure from flash.
4
SECURITY_MODE
ON: Embedded USB-Blaster II sends FACTORY command at
power up.
OFF: Embedded USB-Blaster II will not send FACTORY
command at power up.
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