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Author Question: In terms of external data memory, the 8051 allows A) 512 k of external data memory (RAM). B) 64 k ... (Read 54 times)

ashley

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on: Jul 28, 2018
In terms of external data memory, the 8051 allows
 
  A) 512 k of external data memory (RAM). B) 64 k of external data memory (RAM).
  C) 256 k of external data memory (RAM). D) 128 k of external data memory (RAM).

Question 2

What is the function of ALE/ ?
 
  A) It is an Adding Latch Enable output pulse for latching the low-order byte of the address during accesses to internal memory.
  B) It is an Address Latch Enable input pulse for latching the high-order byte of the address during accesses to external memory.
  C) It is an Address Latch Enable output pulse for latching the low-order byte of the address during accesses to external memory.
  D) all of the above


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katheyjon

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


ashley

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Reply 2 on: Jul 28, 2018
Wow, this really help

nathang24

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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