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  1. pavankukkala

    Nested Vector Interrupt Controller(NVIC)

    what is the difference between level sensitive and pulse interrupts
  2. pavankukkala

    Priorities

    Can anyone explain me how the priorites can be assigned in arm architecture
  3. pavankukkala

    ARM Architecture

    Can anyone brieflyb explain me the AMBA Bus clearly with the basic block diagram which consists of Transaction table,Timers
  4. pavankukkala

    Address bus

    I was under the application engineer and he will help me and thanks a lot for sending me the datasheet
  5. pavankukkala

    Address bus

    Ok Thank u very much.. What is the meaning of tristate operation I am going to read the STM32F407 microcontroller . can u suggest me how to gain knowledge of dis micro controller
  6. pavankukkala

    Address bus

    Actually, I have attended the interview and they have asked me this question based on STM Microcontroller
  7. pavankukkala

    Address bus

    How can we say that address bus and data bus are in the same line ?
  8. pavankukkala

    Generation

    What is the exact difference between 1G,2G,3G,4G Technologies and please explain me LTE
  9. pavankukkala

    RS232

    What is the exact difference between RS232 & UART
  10. pavankukkala

    3D Glasses

    What is the polarisation n use of polarised filetrs in 3D Glasses?
  11. pavankukkala

    ARM Architecture

    What is Flash Memory Programming In Lpc2129 Microcontrollers?
  12. pavankukkala

    ARM Architecture

    Can anyone explain me clearly the seven modes(user,supervisor,FIQ,IRQ,abort,undefined n system) and where should we use them with their applications
  13. pavankukkala

    Interrupts: privileged vs. non-privileged modes

    I didn't get you, I will explain you clearly. when I am reading the ARM Architecture I came across seven modes like user mode, IRQ, FIQ, undefined mode, abort mode,system mode n supervisor mode .among these modes,user mode is non privileged mode and all others are privileged mode . can you say...
  14. pavankukkala

    Interrupts: privileged vs. non-privileged modes

    In case of LPC21XX family which follows a RISC architecture
  15. pavankukkala

    Interrupts: privileged vs. non-privileged modes

    What is the differenece between priveleged and non priveleged modes?
  16. pavankukkala

    LPC21xx Microcontrollers

    what is the use of watch dog timer & pulsewidth modulator in LPC21XX Microcontrollers
  17. pavankukkala

    Device Driver

    Hi harald kapp, this project is for communication between the two systems(computers). By using the write System call , i have sent a message to other system(second ) It is working Fyn.By using the read System call It have to transmit the data to first system, but is not doing . I have used the...
  18. pavankukkala

    Device Driver

    Hi Friends, I am new to this website. I have done a project on Linux device Drivers i.e. serial port Communication Through RS232 protocol . In my project it is able to write the that to other system through Null Modem But it is not able to read the data from the system . can anyone help me by...
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