MICROPROCESSOR AND MICROCONTROLLER

8051 MICROCONTROLLER

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which register bank is supposed to get selected if the values of register bank select bits RS1 & Rs0 are detected to be ‘1’ & ‘0’ respectively?
A
Bank 0
B
Bank 1
C
Bank 2
D
Bank 3
Explanation: 

Detailed explanation-1: -Explanation: If RS1=1, RS0=0, then the register bank selected is register bank 2.

Detailed explanation-2: -If RS1=0, RS0=0, then selected bank is register bank 0.

Detailed explanation-3: -4 are designated as RS0 and RS1 register selection bit and are used to change the bank register. The 32, 8-bit registers are divided into four groups of 8 registers each, called register banks.

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