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Posts: 6
Registered: ‎01-03-2013

Xilinx Schematic not showing correct IP and OP



For this project I am simply trying to take a clock pulse (button) and convert that to BCD and then into 7 segment OP. So it is very simly a counter which OP's to a 7-seg display.


I decided to use Schematic for this as i am new to the software. However, when i try to link up 2 components the IP and OP's only appear as if there is only 1 Schematic Symbol, not 2.


I have used Busses for the IP and OP for the LEDDCD.


As you can see, from the first image the Schematic is complete but all the CD4CE OP are present, they should not be there as they are going to the LEDDCD.


Screen Shot 2013-01-06 at 16.29.34.png


On the second image, I have removed the CD4CE and the OP pins are there, S0, S1, S2... from the Bus which is what i want.


Screen Shot 2013-01-06 at 16.30.02.png

So why does it show the right OP's when i remove the CD4CE?

Any help will be greatly appreatcaied.


Thanks, Alex