8051 Instruction Set flashcard

Front

What are the data transfer instructions of the 8051 microcontroller?

Back

Data transfer instructions are used to move data between registers, memory, and I/O ports.

Front

What are the arithmetic instructions of the 8051 microcontroller?

Back

Arithmetic instructions perform mathematical operations such as addition, subtraction, multiplication, and division.

Front

What are the logical instructions of the 8051 microcontroller?

Back

Logical instructions perform bitwise operations such as AND, OR, XOR, and NOT.

Front

What are program branching instructions in the 8051 microcontroller?

Back

Program branching instructions alter the flow of execution, allowing for jumps, calls, and returns in the program.

Front

What is the purpose of the stack in the 8051 microcontroller?

Back

The stack is used to store return addresses and local variables during subroutine calls, enabling nested function calls.

Front

What are the different addressing modes in the 8051 microcontroller?

Back

The 8051 microcontroller supports various addressing modes including immediate, direct, register, and indirect addressing.

Front

What is the function of the accumulator in the 8051 microcontroller?

Back

The accumulator is a special register used for arithmetic and logic operations, serving as the primary data register in the microcontroller.

Front

What is the role of the program counter in the 8051 microcontroller?

Back

The program counter holds the address of the next instruction to be executed, ensuring the correct sequence of operations.

Front

What are the interrupt handling capabilities of the 8051 microcontroller?

Back

The 8051 microcontroller can handle multiple interrupts, allowing it to respond to external events while executing a program.

Front

What is the significance of the timer in the 8051 microcontroller?

Back

The timer is used for generating time delays, counting events, and measuring time intervals in various applications.