Altera Arria II GX FPGA Development Board - Manual (Page 28)

2–20 Chapter 2: Board Components
Configuration, Status, and Setup Elements
Arria II GX FPGA Development Board Reference Manual February 2011 Altera Corporation
PCI Express Control DIP Switch
The PCI Express control DIP switch (SW3) provides control to enable or disable
different configurations.
Table 2–17 shows the switch controls and descriptions.
Table 2–18 lists the PCI Express control DIP switch component reference and
manufacturing information.
Reset Configuration Push-button Switches
The load image push-button switch, RESET_CONFIGn (LOAD IMAGE) (PB5), is an input
to the MAX
II CPLD EPM2210 System Controller. The push-button switch forces a
reconfiguration of the FPGA from flash memory. The location in the flash memory is
based on the LED_CONFIG_LED[2:0] setting when the button is released. Valid settings
include LED_CONFIG_LED0, LED_CONFIG_LED1, or LED_CONFIG_LED2 on the three pages
in flash memory reserved for FPGA designs.
The image select push-button switch, factory (IMAGE SEL) (PB6), toggles the
LED_CONFIG_LED[2:0] sequence. Refer to Table 2–10 for the LED_CONFIG_LED[2:0]
sequence definitions.
The MAX II reset push-button switch, MAX_RESETn (PB4), resets the MAX II CPLD
EPM2210 System Controller.
Table 2–19 lists the reset configuration push-button switches component reference
and manufacturing information.
Table 2–17. PCI Express Control DIP Switch Controls
Switch Schematic Signal Name Description Default
1 PCIE_PRSNT2n_x1
ON : Enable x1 presence detect
OFF : Disable x1 presence detect
ON
2 PCIE_PRSNT2n_x4
ON : Enable x4 presence detect
OFF : Disable x4 presence detect
ON
3 PCIE_PRSNT2n_x8
ON : Enable x8 presence detect
OFF : Disable x8 presence detect
ON
4 NC Not used OFF
Table 2–18. PCI Express Control DIP Switch Component Reference and Manufacturing Information
Board Reference Description Manufacturer
Manufacturer
Part Number
Manufacturer Website
SW3 Four-Position slide DIP switch HCH HPS604-E www.hchtwn.com.tw
Table 2–19. Reset Configuration Push-button Switches Component Reference and Manufacturing Information
Board
Reference
Description Manufacturer
Manufacturer
Part Number
Manufacturer Website
PB4, PB5, PB6 Push-Button switch Dawning Precision Co. TS-A02SA-2-S100
http://www.dawning2.com.tw/
company.php