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Architecture and Features of 8081 Microcontroller

Architecture and Features of 8081 Microcontroller

1. It has an 8-bit data bus and an 8-bit ALU.
2. It has a 16-bit Address bus i.e., 64kb of RAM and ROM.
3. It has RAM (data memory) of 128-bit and ROM (Program Memory) of 4kb.
4. It consists of three internal and two external interrupts.
5. It consists of a 16-bit program counter and data pointer (DPTR).
6. It has 32 general purposes register each 8-bit. 
7. It also consists of two 16-bit timers/counters.
8. Less power use in 8051 with respect to other microcontrollers.

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