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Found 7 results

  1. Where can I see the relations between the Arty Z7 board pins (I/O) and the FPGA pins? In "Arty Z7 Reference Manual" it is not enough information: only buttons, slide switches, LEDs and HDMI pins relations appear. (eg. BTN0 is D19) What about the rest of the pins (I/O)?
  2. Hello there! I am a newbie using ChipKit uC32, and wonder what is the meaning of underscored pins on J5 and J6. Pins 3, 5,6,9,10 May I use all J5 and J6 pins as I/O? Thanks in advance for any help.
  3. Hello: I am trying to better understand the functionality of the Chipkit Max32 board with respect to the analogWrite command. I have been testing pins A4, A5, 21, 23, 44 and 45 using the anlogWrite function. I am testing each pin separately, i.e. one at a time. I have the pin connected to ground through a 180Ohm resistor and monitoring the voltage across the resistor using an oscilloscope. I am using the following code changing the pin number in the analogWrite for each pin: void setup() { Serial.begin(9600); } void loop() { for (int i=0;i<256;i++){ analogWrite(4,i); delay(5000); Serial.print(i); Serial.println(""); } } I am using the delay(5000) command to give me enough time to monitor and measure the oscilloscope value and the Serial.print function to know where I am in the code execution. When I test the A4 and A5 pins, I measure 0V, regardless of the value written with the analogWrite. When I test the 21, 23, 44 and 45 pins the voltage is 0 until a value of 127 is reached. above 127 the voltage is 3.3V., constant. Do I need to initialize any other values for the analogWrite to function properly? Thank You
  4. I'm trying to compile the Xilinx example file for the MIG generated DDR3 controller in Vivado 2015.4. I used the .ucf file to generate the controller just fine. But when I look at the .xdc file, I don't see the DDR3 pins. I see all the other interfaces I believe, except for the DDR3. Won't this prevent a design that uses the DDR3 from compiling?
  5. I have an old Uno32 that I had not used and finally dug out. I am confused on the pin numbering. For instance I am looking for J6-7. Looking at the Uno32 reference manual, page 2 has a picture of the top of the board. balloon 14 indicates this is J6. the silkscreen on the board as 2 rows of numbers which looks like the lower right pin would be 0. and pin 7 is on the outer edge. then I need j6-11, however the silkscreen numbers go from 0 to 13, G, A. This does not seem to correlate with the manual. looking at page 11 of the reference manual there is a pinout table, but how do I find the Chipkit OR the connector pin #? Could someone enlighten me.
  6. Hi, I bought a Max32, and need to find out which one is pin 3 and which one is pin 5. Is there a spread sheet available for all the pin names please? Thanks, Jack
  7. A customer asked me this question: hi I'm facing a problem while using DIGILENT BASYS2 SPARTEN 3E board. How can a sonar unit(external hardware) giving digital output pulses can be connected to the pmods. How are the 4 pmods in the board connected. With thanks and regards Aparna