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Hello
i m using Assembly, and I need the help about SFRs of 89C51
What is the purpose of SFRs How can i control these registers. and some more basic help about SFRs
any link or source code
The Datasheet lists the available SFRs for the particular chip, and describes the purpose of each one...
SFRs which are common to all 8051s may not be specifically listed in the datasheet - they assunme that you are familiar with the basics.
For the basics, see the so-called "bible" for the 8051 - links available here: www.8052.com/.../120112
See also: http://www.8052.com/tutorial
And: http://www.keil.com/books/8051books.asp