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Encyclopedia > Atmel 89c51
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The Atmel 89c51 is an 8-bit microcontroller (µC) with 4 KB of on-chip Flash memory. The CPU core is a clone of the Intel 8051 family CPU. 8-bit refers to the number of bits used in the data bus of a computer. ... A microcontroller is a computer-on-a-chip optimised to control devices. ... A kilobyte (derived from the SI prefix kilo-) is a unit of information or computer storage equal to one thousand bytes. ... Flash memory is a form of EEPROM that allows multiple memory locations to be erased or written in one programming operation. ... The central processing unit (CPU) is the part of a computer that interprets and carries out the instructions contained in the software. ... The Intel 8051 is a microcontroller developed by Intel in 1980 for use in embedded products and still (2003) one of the most popular microcontrollers. ...


  Results from FactBites:
 
89C51 programming (190 words)
I am currently learning how to program this guy, ATMEL 89C51.
I had a LED on Port 1 pin 0.
Starting at 0x4000 your on chip ROM won't fit.
difference in atmel 89c51 and 89c52 (700 words)
can anybody explain the difference in atmel 8o51 series -89c51 and 89c52 which may affect coding if the microntroller is changed and in what respect will that affect.
First of all both microcontroller has been discontinued by Atmel.
Atmel 89C51 data sheet : 4K Bytes of In-System Reprogrammable Flash Memory
  More results at FactBites »

 

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