[Oberon] Digilent Spartan 3 Board
paulreed at paddedcell.com
Wed Apr 30 14:07:14 CEST 2014
Why not just buy a Spartan 3 board?
> Hi everybody,
> in the mean time I've got two suggestions by Digilent and Numato.
> Digilent suggest Nexys 4 in a very short mail (I guess this one:
> Numato suggest this one: http://numato.com/waxwing-spartan-6-mini-module
> together with an development board, which is currently in pre-release
>>>The development board (Minimudule needs to be installed on this board)
>>> has the following features.
>>>* Power supply necessary for all logic and peripherals
>>>* FT2232 USB Communication
>>>* 4x PMOD compatible connectors
>>>* 1 HDMI connector (buffered)
>>>* 1 VGA connector
>>>* 16x2 alphanumeric LCD
>>>* 2x 7 segment LED displays
>>>* 8 general purpose LEDs
>>>* 8 Microswitches for user input
>>>* 1 dip switch
>>>* Onboard SPI flash programming support (No need of platform cable for
>>>* JTAG connector
>>>* SD card slot
>>>* PWM Audio out jack
> Does somebody with more experience in FPGA have an opinion?
> I am tempted to give Numatos Waxwing a try ...
>>From: Paul Reed [mailto:paulreed at paddedcell.com]
>>Sent: Tuesday, March 04, 2014 2:11 PM
>>To: ETH Oberon and related systems
>>Subject: [Oberon] Digilent Spartan 3 Board
>>>> I feel sad that Spartan 3 is becoming obsolete.
>>> I agree. The more recent Spartan-3E based Nexys-2 board from Digilent
>>A few points of background about the Digilent Spartan 3 board which may
>>First, don't be sad! ;-) Everything of course becomes obsolete in our
>>world (tech); it's actually useful that Digilent have discontinued this
>>board in a rather timely fashion (just after I released the binaries for
>>(The RISC processor itself is relatively easy to port to other FPGA
>>boards. I have had it running in various guises on Xilinx FPGA boards
>>made or not made by Digilent, and also on an Altera FPGA board, for
>>The real killer feature about the Spartan 3 board is the 1MByte
>>(2x256Kx16) of extremely fast (10nS) static RAM (as in, real good
>>old-fashioned SRAM, not pseudo-SRAM for example!). I haven't found a
>>board which provides sustained, completely random-access cycles anywhere
>>near as fast; anything else I have seen would imply a memory interface
>>which would dwarf the rest of the whole design in its complexity. Of
>>course, I'd be delighted to be proved wrong about this. :)
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