Digital Electronics - The 8051 Microcontroller - Discussion
Discussion Forum : The 8051 Microcontroller - General Questions (Q.No. 33)
33.
The number of data registers is:
Discussion:
9 comments Page 1 of 1.
Shailesh said:
1 decade ago
What is mean by data resistor? because 8051 has 21 sfr.
Vasanth said:
1 decade ago
Data registers are register banks.
4 register banks and each having R0 to R7.
Totally 32.
4 register banks and each having R0 to R7.
Totally 32.
Jayakumar said:
1 decade ago
Correct vasanth.
Aarti said:
1 decade ago
But we can access only single bank at a time while programming so mention it that how many data reg available in controller.
Vijayaprabakaran said:
1 decade ago
There are four register bank(bank 0,1,2,3),each register bank store 8 bit data.therefore 4*8=32 data registers.
Solla mataney...... said:
9 years ago
Yes, 32 data registers are available.
Aditya Prasad Swain said:
8 years ago
Right, 32 data registers are available.
Eklabya Kumar Singh said:
8 years ago
Thanks.
Dhanraj said:
3 years ago
@Solla Mataney.
4 banks are there 00F-07H ->bank0.
,08-0F->bank1,10H-17H->Bank-2,18H-1FH-bank-4
in every bank, there are 8 registers from R0-R7 in four banks.
So 4*8 = 32.
4 banks are there 00F-07H ->bank0.
,08-0F->bank1,10H-17H->Bank-2,18H-1FH-bank-4
in every bank, there are 8 registers from R0-R7 in four banks.
So 4*8 = 32.
(1)
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