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  1. ambar686

    4 bit divider circuit

    I am doing my final year project of 4 bit processor design. There, I need to construct a 4 bit divider. I am doing this project by schematic diagram. I want a logic diagram for this. Can anyone help me? I have got a diagram from internet, but I think it is wrong, as there are 0-6 dividends, but...
  2. ambar686

    Problem related to digital clock in 16x2 LCD

    There the code is not available as free user. :( - - - Updated - - - I need assembly language program, not C language, due to my final year subject on assembly language. - - - Updated - - - I need assembly language program for looping a digit in a particular lcd screen address.
  3. ambar686

    Delay in 89c51 using C in keil

    Can anyone help me to understand the 1 sec delay using external timer in assembly language only?
  4. ambar686

    Problem related to digital clock in 16x2 LCD

    I want to make a 8051 MCU based digital clock which will be shown on lcd 16x2. (JHD 162A). I want the assembly language program for that. I want the particular code that will circulate a loop in a particular LCD address. What will be the program? Please help me.
  5. ambar686

    Problem related to digital clock in 16x2 LCD

    I want to make a 8051 MCU based digital clock which will be shown on lcd 16x2. (JHD 162A). I want the assembly language program for that. I want the particular code that will circulate a loop in a particular LCD address. What will be the program? Please help me.
  6. ambar686

    8051 microcontroller keil assembly language program simulation problem

    This code helped me, shahbez. Thanks
  7. ambar686

    [SOLVED] 0-99 counter C program for AT89C51

    Hi, Can anyone give me the C code for a 0-99 counter for AT89C51 microcontroller? It is very urgent. Thanks in advance. :?::|
  8. ambar686

    [51] Multisim hex code not working

    I have compiled in keil uvision 4.Programmer is Willar programmer. Anyway, I have sorted it out. now another WARNING is occuring when I am trying to compile in keil uvision 4. Code: ORG 000BH START: MOV P0,#0C0H LCALL DLY MOV P0,#0F9H LCALL DLY DLY: MOV R6,#30H HERE: DJNZ R6,HERE RET END...
  9. ambar686

    [51] Multisim hex code not working

    Multisim hex code is not working when I am downloading/burning it in AT89C51 MCU. Why is this happening?
  10. ambar686

    8051 microcontroller keil assembly language program simulation problem

    Hi, I have written a program on 7 segment display interfacing. It will count from 0-9. These is a warning every time, I can't get where is the error. Moreover, I am burning the program into my AT89C51 IC, but it is not working as per program. 1. First, please have a look at my code and errors...
  11. ambar686

    VHDL memory design using registers for spartan 3

    I want to design a simple memory in vhdl language using registers. I am using Xilinx kit Spartan 3 chip
  12. ambar686

    Vhdl question: about the difference of variable and signal.

    I want to know when i have to use variable in a VHDL program and when i have to use signal in a program. Please help me.
  13. ambar686

    VHDL program for d flipflop and its test bench waveform

    what i have ran , i have uploaded the code and it is simulated properly and i have got the waveform, now my question is that-- Is the waveform right what i have got???
  14. ambar686

    VHDL program for d flipflop and its test bench waveform

    her is my code, by using this code, i have got the waveform.. is the waveform right?? entity dff is Port ( D: in std_logic; CLK : in std_logic; Q : out std_logic; QN : out std_logic); end dff; architecture Behavioral of dff is begin process...
  15. ambar686

    VHDL program for d flipflop and its test bench waveform

    please post the vhdl program for d flip-flop. and also the test bench waveform(only the waveform, not its programming). i have uploaded the test bench waveform of d flip flop, how to check if it is right?
  16. ambar686

    VHDL program NgdBuild:604 error

    there is no Add option, it says that it allows only .vhd, .ngc, .ngo file s are allowed. what will i do now? anyone can please tell me the steps i have to used to successfully simulate this program? i am using xilinx ise 9.2i design suite. the xilinx directory is in E:\ drive
  17. ambar686

    uart in spartan 3an (vhdl)

    hi !! i was designing a full adder using two half adder using the following program, but constantly i got the same error. please help me. any suggestion is acceptable. the name of vhd file is fulladd.vhd. library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use...
  18. ambar686

    VHDL program NgdBuild:604 error

    how to include the ha.vhd in fulladd.vhd? even i have the ha.vhd file in E:\Xilinx\bin\nt\ha this location. and fulladd.vhd in E:\Xilinx\bin\nt\fulladd location.. please help me how to include ha.vhd in fulladd.vhd. and what is blackbox?
  19. ambar686

    Current to voltage converter

    there is some losses in the circuit load, so there must be a voltage drop across the LT1007 IC
  20. ambar686

    VHDL program NgdBuild:604 error

    hi !! i was designing a full adder using two half adder using the following program, but constantly i got the same error. please help me. any suggestion is acceptable. the name of vhd file is fulladd.vhd. library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use...

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