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Recent content by ShuklaS

  1. S

    profibus Radiated immunity problem

    I have design the profibus board and its falling in Radiated immunity test ,can anyboby suggest the reson the transiver is of TI
  2. S

    interface microcontroller i/o

    Want to interface microcontroller i/o pin to external world in noisy environment please suggest the required circuit
  3. S

    Three phase votage measurment

    its a thee phase thee wire systen without neutral the range is 690V(Phase to phase)
  4. S

    Three phase votage measurment

    Hi , Please seggest the technique for measuring 3 pase votage in unbalancer condition using voltage devider
  5. S

    what is difference between OTA and OP-amp?

    ota vs op amp You get more information on https://en.wikipedia.org/wiki/Operational_transconductance_amplifier
  6. S

    FPGA Course from Elector

    Hi I have uploaded 1st part of Fpga corse from elector if any one having other please upload
  7. S

    ISP programming for P89LPC922 and P89C51RD2BN chips

    p89lpc922 isp program As stated by headcracker you have to use PSEn Pin eigher connect it with a switch having one end connect to pull downd resisor and other to ground and you can move in pprograming and run mode with the help of switch
  8. S

    help in selection of controller

    Iam planing to use coldfire for my application (Automation). Can any body suggest other option
  9. S

    Problem in interfacing USB to 89C51SND1

    89c51snd1 Hi, Setup 1) AT89DVK-04 Development kit (T8xC51SND1 DEMOB V2.2) . 2) FLIP-2_4_6 I had check frequency and resistance on D+ and ISP pin All are correct Following are the problems 1) Unable to enter in ISP mode through USB and RS232 2) In case of RS232 I am getting timeout error. I...
  10. S

    Time out error when connecting Atmel USB 89C5132 to a PC

    Re: USB connection You have to connect the D+ to D+ and D- to D- , their is type B connector on device and type A on your PC as pc is host
  11. S

    EEPROM DATA get corrupted

    hi, The reason of saying that my dataget corrupted is I am able to read and write it correctly out of 100 time 99 time i am able to read the value currectly
  12. S

    EEPROM DATA get corrupted

    hi, we are using eeprom 24c01A EEPROM DATA get corrupted randomly please let me know if any one seen such problem Thanks
  13. S

    Why port pin PE3 is connected to 4-Id in AT90USB128?

    In Atmel development kit of AT90USB128 one port pin PE3 connected to 4-Id can anyone tell why it require Added after 1 hours 55 minutes: it is UID pin ground it means the the controller is as reduced host mode not connected means device mode
  14. S

    USB controller for AT89C5132

    Re: USB controller I am unable to download via rapid share meanwile I want to know the significance of endpoint supoose my controler support 4 endpoint so how i can configure to send the 25 different type of message (eg. 10 control and 10 intrupt message) Thanks
  15. S

    At89C5132 emulator needed

    Ceibo is providing emulator for the AT89C5132
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