MICROPROCESSOR AND MICROCONTROLLER

ARM PROCESSOR

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Each instruction in ARM machines is encoded into ____ Word
A
2 byte
B
3 byte
C
4 byte
D
8 byte
Explanation: 

Detailed explanation-1: -Instruction in ARM machines is encoded into Word. Explanation: Instruction in ARM machines is encoded into Four Byte Word. Explanation: The address space in ARM is 2^32.

Detailed explanation-2: -Each ARM instruction is encoded into a 32-bit word. Access to memory is provided only by Load and Store instructions. ARM data-processing instructions operate on data and produce new value. They are not like the branch instructions that control the operation of the processor and sequencing of instructions.

Detailed explanation-3: -Each ARM instruction is a single 32-bit word in that stream. The encoding of an ARM instruction is: Table 5.1 shows the major subdivisions of the ARM instruction set, determined by bits[31:25, 4]. Most ARM instructions can be conditional, with a condition determined by bits[31:28] of the instruction, the cond field.

Detailed explanation-4: -The ARM architecture Application level memory model uses a single, flat address space of 232 8-bit bytes, covering 4GBytes. Byte addresses are treated as unsigned numbers, running from 0 to 232-1.

Detailed explanation-5: -They are move, arithmetic, logical, comparison and multiply instructions and multiply instructions.

There is 1 question to complete.