8051 MICROCONTROLLER
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Each register bank consist of how many registers?
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4
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8
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16
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32
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Explanation:
Detailed explanation-1: -The register bank has sixteen 32-bit registers.
Detailed explanation-2: -8051 has 32 general-purpose registers and the size of each register is 8-bit. It has two 16-bit registers and they are the data pointer (DTPR) and the program counter (PC).
Detailed explanation-3: -Explanation: The registers, PSW, TCON and Accumulator are 8-bit registers.
Detailed explanation-4: -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.
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