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In at89c51 microcontroller what representc C?

CMOS


What is the function of at89c51?

AT89C51 function


Is AT89C51 is already programmed when you buy it from market?

No.....You have to program it and upload in the microcontroller


What is the voltage required for the operation of at89c51 microcontroller?

working voltage is 5v regulated dc


How do you burn AT89c51 microcontroller?

You'll need to acquire a programmer board and the application software. The programmer boards typically plug into your PC and you can write an application using the application software, then you can load the application into the microcontroller using the programmer board.


Why use AT89C51 but not others?

89c51 microcontroller is of the series of 8051,one of oldest yet commonly used microcontroller.89c51 have the less complex features then other microcontroller and it is also easily available and cheap in comparison of other microcontrollers.


Can at89s52 replace at89c51?

can we replace AT89c51 by AT89s52 but i have c51 code


How much voltage AT89c51 can bear as input?

AT89C51 can have a maximum of 6.6v as input voltage


What is microcontroller 8051?

The 8051 is a microcontroller. It has the MCS-51 core by Intel and was designed for embedded systems in the 1980's. The name of the CMOS version is 80C51. Today the core is still used in microcontrollers from other companies like Atmel, e.g. AT89C51.


What is range of crystal oscillator frequency in ATMEL89C51?

Atmel posts the datasheet for their AT89C51 and other microcontrollers on their website (see link below). That datasheet specifies that the Atmel AT89C51 is operational for an oscillators in the range 24 MHz to 0 Hz (fully static paused). However, during initial flash programming and verification, it requires an oscillator frequency in the range 24 MHz to 3 MHz. That datasheet also answers many other questions you might have about this microcontroller.


Is AT89C51 and 8051 the same?

yes both are same


How is a microcontroller programmed?

That depends on the specific microcontroller.