MEMORY ORGANIZATION IN 8051
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many Banks are Available in 8051 RAM
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2
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3
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4
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8
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Explanation:
Detailed explanation-1: -In all members of the 8051 family, the first 32 bytes of DATA memory (0x00-0x1F) is grouped into 4 banks of 8 registers each. Programs access these registers as R0-R7. The register bank is selected by two bits of the program status word, PSW.
Detailed explanation-2: -The 8051 architecture supports a 64KB linear pro-gram memory space. Devices that have more than 64KB of program memory implement a code bank-ing scheme to surmount this 64KB limit.
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