Question
Download Solution PDFWhat is the size of RAM in 8051 microcontroller?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF8051 microcontroller
8051 is an 8-bit microcontroller built with 40 pins DIP (dual inline package).
8051 has internal RAM (128 Bytes) and ROM (4K Bytes).
Of the 128-byte internal RAM, only 16 bytes are bit-addressable.
The most widely used registers of the 8051 are Accumulator, R registers, B registers, DPTR (data pointer), and PC (program counter).
All these registers are 8 bits, except DPTR and PC.
The block diagram of 8051 is shown below:
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