UNIT IV - 8051 MICROCONTROLLER INTRODUCTION
INTRODUCTION: The 8051 is an 8-bit microcontroller with 8 bit data bus and 16-bit address bus. The 16 bit address bus can address a 64K( 216) byte code memory space and a separate 64K byte of data memory space. The 8051 has 4K on-chip read only code memory and 128 bytes of internal Random AccessMemory(RAM)
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