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Recent content by hossam abdo

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    The register has the property IOB=TRUE, butwas not packed into the ILOGIC component.

    "The register "RNTI_type" has the property IOB=TRUE, but was not packed into the ILOGIC component." this warning appear with me in the mapping, I dont know what is the problem. hint: "RNTI_type" is defined as output register and this is its def output reg [6:0]RNTI_type, please reply ASAP...
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    Case statement in Verilog

    Hello addrs is 5 bits case (addrs) 5'h10: statement; //case 1 5'h11: statement; //case 2 5'h12: statement; //case 3 5'h20: statement; //case 4 default: statement; endcase In cases(2,3), the MSB is dontcare, can I select only the first 4 bits withen the same case statement? Thanks in...
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    slack paths, reduce it in design

    Dear all; How to reduce the slack paths in design, what is the logic of thinking to reduce it. Thanks in advance.
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    LED MATRIX 40m*50cm inbetween distance for used leds

    Hello, I want to design a led matrix with dimention (40m X 50cm), what is the most appropriate (led inbetween distance ) i.e the distance between each led and its neighbour for limiting the number of leds. the used led has (5mm led)
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    Basic principle of fire fighting system

    Dear friends I want to know the Basic principle of fire fighting system from scratch. Thanks in advance
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    Atmel Programmer circuit. need help

    I'm sorry, I don't understand. what is the MPU and i don't use any TTL IC https://www.coolcircuit.com/project/atmel_isp/cir1.gif
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    S8050 with IR Transmitter

    the battery is 5v , 1A. Led spesc https://www.ram-e-shop.com/ds/general/Tx%20PD3401B-B.pdf yes i want to use it as a current amplifier.
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    S8050 with IR Transmitter

    Dear friends How to use the S8050 transistor with the Ir led transmitter to amplify the signal to higher rage. thanks in advance,
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    Atmel Programmer circuit. need help

    what is this error mean : program verify error @address 003D Data read = 80 Prog data =90
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    Atmel Programmer circuit. need help

    Thanks tpetar for your help. I have two question. 1- this error appeared with me : program verify error @address 003D Data read = 80 Prog data =90 2- Is it preferred to add (74HC541) between the uc...
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    Atmel Programmer circuit. need help

    you tried this circuit and it is right?
  12. H

    Atmel Programmer circuit. need help

    please I need an Atmel Programmer circuit. I tried this circuit but it didn't work. **broken link removed** Now, I am trying this https://www.coolcircuit.com/project/atmel_isp/cir1.gif Is the last circuit is right or no. Thanks in advance.

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