New: read/write to D2SB fpga

Jun 22, 2004 3 Replies

Hello, I am new to the whole Xilinx software package and I have a D2SB fpga board with the Spartan IIE fpga its the 2S200E chip pq208 or whatever that means. Also, I have the fpga setup to a digital I/O, DIO4. Well, what I'm am trying to do is to read and write numbers to the fpga.



1.) Do I have to read and write binary numbers to different addresses or can I read and write base 10 numbers to the fpga's memory?
2.) How do I read/write to the fpga?
3.) Do I assign the GCLK pin of the fpga to the ram symbols clock pin?

Phil Moore schrieb:

Which interface you are "reading" from ? There are some switches and buttons, four 7 segment displays, a simple vga connector only.

???

???

joerg

I am reading from the 7 segment display. I could read from LED's, it doesn't really matter.

Phil Moore schrieb:

What are you talking about ?

Here is a simple code fragment to show "1234" on the 7segs

Have a look into the docu of DIO4 and D2SB

j

signal cnt100: integer range 0 to 100; signal cnt4 : std_logic_vector(1 downto 0);

-- -- -- process (mclk, reset) begin if reset='1' then cnt100

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