Digital Electronics - The 8051 Microcontroller - Discussion
Discussion Forum : The 8051 Microcontroller - General Questions (Q.No. 1)
1.
The internal RAM memory of the 8051 is:
Discussion:
21 comments Page 1 of 3.
Saurabh Kumar Pandey said:
3 years ago
Yes, the 8051 microcontroller has 128 bytes of RAM.
FURTHER, they're divided into three parts.
1. Register bank (32 bytes).
2. Bit addressable memory (16 bytes).
3.Read/ write storage/scratchpad (80 bytes).
FURTHER, they're divided into three parts.
1. Register bank (32 bytes).
2. Bit addressable memory (16 bytes).
3.Read/ write storage/scratchpad (80 bytes).
(1)
Tanya said:
4 years ago
The answer is 256.
(1)
Dharma Mohan said:
7 years ago
In 8051 Memory,
ROM (Program memory) - 4K (Internal memory) + 60K (External memory).
RAM (Data memory) - 128 bytes (Internal memory) + 64K (External memory).
ROM (Program memory) - 4K (Internal memory) + 60K (External memory).
RAM (Data memory) - 128 bytes (Internal memory) + 64K (External memory).
Chirag said:
8 years ago
128 bytes of user RAM and 128 bytes SFR`s.
Shubham kherde said:
8 years ago
Yes, I agree with you all. The right answer is 128 bits.
Deepak said:
9 years ago
Actually RAM is 256 bytes but for user it is 28 bytes and for SFR (Special Function Registers) it is 128 bytes.
Dhritiraj said:
9 years ago
Because 2^7 (i.e. 2 power 7) = 128 bytes.
Rakesh Mairembam said:
10 years ago
128 bytes for user RAM.
And 128 bytes for SFR's.
And 128 bytes for SFR's.
Suresh.S said:
10 years ago
If a microprocessor has memory of 16kb then how many Address and Data lines are there?
Lina said:
10 years ago
Internal memory of 8051 is 128 bytes.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers