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The internal memory of the microcomputer is "byte addressable". The internal memory of a microcomputer usually consists of 8 binary bits forming a storage unit, and each byte is assigned a number, that is, an address.
Microcomputer is referred to as "microcomputer" or "microcomputer". Because it has certain functions of the human brain, it is also called "microcomputer". Microcomputer is a small electronic computer composed of large-scale integrated circuits. It is a bare metal based on a microprocessor, equipped with internal memory, input and output (I/0) interface circuits and corresponding auxiliary circuits.
The internal memory of a microcomputer usually consists of 8 binary bits forming a storage unit, and each byte is assigned a number, that is, an address.
Byte addressing: The memory is divided into several units, each unit has a capacity of 1 byte and is numbered (address) starting from 0.
For a 2M x 32-bit memory, its capacity is 8MB
The CPU addressing size is 1 byte (8 bits) at a time, with a total of 8M*8bit/8bit = 8M units , that is, addressing 2^23 memory cells, the address bus is 23 bits.
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