MICROPROCESSOR AND MICROCONTROLLER

PIC MICROCONTROLLER

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The Instruction used to clear working register content is ____
A
CLRW
B
CLRF
C
CLEAR
D
CLEWDT
Explanation: 

Detailed explanation-1: -The MOVLW means ‘Move Literal Value Into W’, which in English means put the value that follows directly into the W register.

Detailed explanation-2: -In 8085 Instruction set, INR is a mnemonic that stands for ‘INcRement’ and ‘R’ stands for any of the following registers or memory location M pointed by HL pair. This instruction is used to add 1 with the contents of R.

Detailed explanation-3: -In computing, the instruction register (IR) or current instruction register (CIR) is the part of a CPU’s control unit that holds the instruction currently being executed or decoded.

Detailed explanation-4: -The PIC instruction set refers to the set of instructions that Microchip Technology PIC or dsPIC microcontroller supports. The instructions are usually programmed into the Flash memory of the processor, and automatically executed by the microcontroller on startup.

There is 1 question to complete.