8 Bit Alu Logic Diagram. The arithmetic functions are much more complex to implement than the logic functions. Controlled by the three function select inputs sel 2 to 0 alu can perform all the 8 possible logic operations.
Arithmetic logic unit alu. It also provides operational advantages as 8085 needs a single 5v supply with only one clock single of width 320 ns. 8 bit processor 16 bit processor 32 bit processor etc.
The following diagram shows how these values appear on the waveform display.
The 8 bit computer described in this instructable has two registers attached to its alu a register to store the current instruction and a register for the output of the computer. Therefore can address 64 kb ie 2 16 memory. Learn about the heart of a simple 4 bit cpu the alu arithmetic logic unit and how to build one yourself. The full adder is usually a component in a cascade of adders which add 8 16 32 etc.