Cyclone IV DE0-Nano USB in C#

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MAX II CPLD most likely glue logic.
 

I reviewed the schematic file. Clearly it's incomplete.
I don't see the FDTI component or the MAX II. Also the USB connector shows only as power input (page 14) without the typical t+ and t- differential USB signals.

Other than determining that the accelerometer talks I2C with the FPGA (F1 and F2 pins of the FPGA) I cannot find anything usefull in the schematics.

sindredit ,
is this the only schematics file ?

digi001,
fill free to give your input. I'm clueless.
 


Sorry,

These don't help to determine what feeds the FPGA side on the PC-FPGA interface.
The only good advice I can give you is to start implementing an I2C master on your FPGA using either VHDL or Verilog.
I'll try to find better schematics for this board.
 

Aight, Thank you for your time!
 

Do you know how the I2C protocol works ?
 

shaiko, I have just finished a write I2C VHDL code
But, I have problems displaying the results in Modelsin and SignalTap. So I really dont know if it works or not ...
 

I cannot find on the schematic where connector for USB is?
 

If you haven't simulated it - most chances are that it won't work.
What's the problem?
What do you mean by : "I have problems displaying the results in Modelsin"
 


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