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Recent content by sora5563

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    How to design the circuit of clock multiplication?

    multiplication waveforms circuit Can any body help to provide the circuit that can perform the waveform as shown in the figure above. It is the clock multiplication!:D[/img]
  2. S

    What is the use of HDLC in Frame relay?

    I am a degree student and i have a project regarding with the using of High Level Data Link Control (HDLC) in frame relay. But i surf out of the internet to find the related information but nothing get, so can any legends plz tell me what is HDLC in frame relay and provide me any related info...
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    Needs help for Quartus II 6.0 problem!

    critical warning: register will power up low Im using quartus II 6.0 to simulate my circiut, but there is an critical warning comes out and said that : ----------------------------------------------------------- Critical Warning: Ignored Power-Up Level option on the following nodes --...
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    UART configuration help for PIC16F877A

    pic16f877a hyperterminal I recently try to send data to and from PIC16F877A via uart and the result show in the hyperterminal, but there is the problem that nothing comes out at the hyperterminal. here is my source code, -------------------------------------------- LIST P=16F877A #INCLUDE...
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    SPI configuration of PIC16F877A

    pic16f877 spi I am new to PIC and ask that does anyone knows the steps of SPI configuration for PIC16F877A. If possible gives some source code examples! Thanks!!!:D
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    Quartus compilation too slow for RAM design.

    Thanx, but i have to run full compilation first right, bcuz smart compilation is a recompilation option, it skips any unchangeable module during compilation. If i dun want to upgrade RAM of my computer, Is there another ways to increase the speed of compilation?
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    Quartus compilation too slow for RAM design.

    when using quartus tools to compile the correction of my Dual port RAM design, it takes me hours to compile and synthesize the source code file. The RAM with only the size of 64 bytes, successful compile after 5 minutes. The times increase linearly when the size of the RAM double, let's say...
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    How can i create a user-defined package?

    im trying to run a package i'd created using quartus tools but when i run the compilation, an error with the following appear in the message box. the following is the package header of simple full adder (fulladd_package.vhd): LIBRARY ieee ; USE ieee.std_logic_1164.all ; PACKAGE...
  9. S

    How can i create a user-defined package?

    how will you create a user defined package im trying to run a package i'd created using quartus tools but when i run the compilation, an error with the following appear in the message box. the following is the package header of simple full adder (fulladd_package.vhd): LIBRARY ieee ; USE...

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