Digital Electronics - The 8051 Microcontroller - Discussion

Discussion Forum : The 8051 Microcontroller - General Questions (Q.No. 47)
47.
The total amount of external code memory that can be interfaced to the 8051 is:
32K
64K
128K
256K
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Suma sree said:   9 years ago
We have 16 address lines in 8051 for the external memory interface.

So, 2^16 = 2^10 * 2^6 = 1K * 64 = >64k.

Darshan said:   1 decade ago
We can use 16 lines for external memory interface.

So 2^16=65536 => 64k.

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