~~NOTOC~~ 
    
====== Nexys 2 ======
{{Digilent Infobox
| Manual = [[reference-manual]]
| Support = https://forum.digilent.com/forum/4-fpga/
| Title = Nexys 2
| Subtitle = Spartan-3E FPGA Trainer Board
| Header = Features
| Bullet = Digilent USB2 port providing board power, programming, and data transfers
| Header = Key Specifications
| PSDRAM = 16MB
| ROM = 16MB Intel StrataFlash
| Oscillator = 50MHz plus socket for \\ second oscillator
| Header = Connectivity and Onboard I/O
| Pmod Connectors = 4 12-pin Pmod ports
| USB = USB2 port
| VGA = 1 VGA port
| PS/2 = 1 PS/2 port
| Connector = Hirose FX2
| I/O = 60 routed to expansion connectors
| Buttons = 4 push buttons
| Switches = 8
| LEDs = 8
| Seven Segment Display = 4-digit
| Header = Electrical
| Power = USB, Battery, \\ or 5-15V (2.1mm) external supply
| Header = Physical
| Width = 4.8 in
| Length = 4.8 in
| Header = Design Resources
| Master UCF 500 = {{:reference:programmable-logic:nexys-2:nexys2_500general_ucf.zip |For Nexys 2-500}}
| Master UCF 1200 = {{:reference:programmable-logic:nexys-2:nexys2_1200general_ucf.zip |For Nexys 2-1200}}
| Header = Documentation
| Primary IC = [[https://docs.xilinx.com/v/u/en-US/ds312|Spartan-3E]] 
| Reference Manual = [[programmable-logic/nexys-2/reference-manual]]
| Schematic = {{:reference:programmable-logic:nexys-2:nexys2_sch.pdf|Rev. C }}
}}

{{page>reference-manual}} \\ \\
 
===== Tutorials =====
{{topic>nexys-2 +tutorial}}

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===== Example Projects =====
{{topic>nexys-2 +project}}

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===== Additional Resources =====
== Demonstration projects ==
  * Board Verification {{:nexys:nexys2:nexys_2_500k_bist.zip|ZIP}} 
    * Nexys2 Board verification Project - (for 500K boards)
  * Board Verification {{:nexys:nexys2:nexys_2_1200k_bist.zip|ZIP}} 
    * Nexys2 Board verification Project - (for 1200K boards)
  * I/O Multiplexers Nexys2-500 {{:nexys:nexys2:nexys2_500_edk_11_ram_flash.zip|ZIP}}
    * EDK project that demonstrates how to connect the BSB shared buses through I/O multiplexers, allowing access to both RAM and FLASH memories on the Nexys2-500. Made using EDK 11.
  * I/O Multiplexers Nexys2-1000 {{:nexys:nexys2:nexys2_1200_edk_11_ram_flash.zip|ZIP}}
    * EDK project that demonstrates how to connect the BSB shared buses through I/O multiplexers, allowing access to both RAM and FLASH memories on the Nexys2-1200. Made using EDK 11.

== Reference Designs ==
  * Active Power Meter reference design {{:nexys:nexys2:activepowermeter.zip|ZIP}} 
  * BRAM Configuration reference design {{:nexys:nexys2:bramcfgrefproj.zip|ZIP}} 
  * Onboard Memory controller reference design {{:nexys:nexys2:onboardmemcfg.zip|ZIP}} 
  * RS232 example reference design {{:nexys:nexys2:rs232_refproj.zip|ZIP}} 
  * VGA controller reference design {{:nexys:nexys2:vga_refcomp.zip|ZIP}} 
  * Adept I/O expansion reference design {{:nexys:nexys2:adept_ioexpansion.zip|ZIP}} 

== Reference Component ==
  * PS2 Mouse Control reference component {{:nexys:nexys2:mouserefcomp.zip|ZIP}}
  * PS2 Mouse Displayer reference component {{:nexys:nexys2:mousedisplayer_refcomp.zip|ZIP}} 
  * RS232 interface reference component {{:nexys:nexys2:rs232_refcomp.zip|ZIP}} 
  * Pulse-width modulation reference component {{:nexys:nexys2:pwmrefcomp1.zip|ZIP}} 

== Support Files ==
  * Board Support {{:nexys:nexys2:nexys2_bsb_support_v_3_0.zip|ZIP}} 
    * Nexys2 Board Support files for use with Xilinx EDK. Supports EDK 13 and up.

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{{tag>legacy programmable-logic programmable-logic-start nexys-2 resource-center}}