MICROPROCESSOR AND MICROCONTROLLER

Detailed explanation-1: -The RISC philosophy is implemented with four major design rules: Instructions: RISC has a reduced number of instruction classes. These classes provide simple operations so that each is executed in a single cycle. The compiler synthesizes complicated operations by combining several simple instructions.

Detailed explanation-2: -The RISC philosophy concentrates on reducing the complexity of instructions performed by the hardware because it is easier to provide greater flexibility and intelligence in software rather than hardware. As a result, a RISC design places greater demands on the compiler.

Detailed explanation-3: -RISC has five design principles: Single-cycle execution-In most traditional central processing unit (CPU) designs, the peak possible execution rate is one instruction per basic machine cycle, and for a given technology, the cycle time has some fixed lower limit.

Detailed explanation-4: -The CISC approach attempts to minimize the number of instructions per program, sacrificing the number of cycles per instruction. RISC does the opposite, reducing the cycles per instruction at the cost of the number of instructions per program.

Detailed explanation-5: -Instructions. RISC processors have a reduced number of instruction classes. Pipelines. The processing of instructions is broken down into smaller units that can be executed in parallel by pipelines. Registers. Load-store architecture. 08-Jul-2022