The 8051 Microcontroller and Embedded

(lily) #1
Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN
HANEL

OVERVIEW OF 8051 FAMILYVarious 8051 Microcontrollers


‰8751 microcontroller


¾UV-EPROM


ƒPROM burnerƒUV-EPROM eraser takes 20 min to erase


‰AT89C51 from


Atmel Corporation


¾Flash (erase before write)


ƒROM burner that supports flashƒA separate eraser is not needed


‰DS89C4x0 from


Dallas Semiconductor


,


now part of


Maxim Corp.


¾Flash


ƒComes with on-chip loader, loading program to on-chip flash via PC COM port

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