Examples of Registers and Counters
Examples of Registers
- General Purpose Registers Example: In x86 assembly language the MOV instruction is commonly used to transfer data, between general purpose registers. For example MOV AX, BX copies the value from register BX to register AX.
- Special Purpose Registers Example: In ARM architecture the Program Counter (PC) stores the address of the instruction to be executed.
- Status Registers Example: In an ARM processor the CPSR (Current Program Status Register) holds flags like N (Negative), Z (Zero), C (Carry), and V (Overflow) that indicate the result of arithmetic operations.
Examples of Counters
- Asynchronous Counter Examp3-bit4-bit 3 bit counter counts from 000 to 111 and then resets back to 000. It increments with each clock pulse.
- Counter Examp4-bita 4 bit synchronous binary counter follows a sequence from 0000 to 1111 advancing at each clock edge.
Registers Vs Counters
In the domain of logic registers and counters are the two components that have distinct roles, in storing and manipulating data. We will explore the definitions, examples, applications, advantages, and disadvantages of registers and counters, illuminating their functions in systems in this article.