Category: 8051 Micro-controller

8051 PIN Diagram and 8051 Block Diagram

Internal Architecture 8051 Microcontroller: The 8051 is a low-power, high-performance CMOS 8-bit microcontroller with 4K bytes of in-system programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 8051 instruction set and pinout. The initial version of 8051 used 4 KByte ROM whereas later version employed […]

8051 Internal Architecture

8051 Internal Architecture 8051 microcontroller was developed by Intel in 1980s. It is an 8-bit controller and is based on Harvard Architecture which uses two separate memory for storing program and data. The internal architecture describes the organization of the internal components of 8051. Figure 5.1 shows the internal architecture of 8051. Internal components of […]

8051 Micro-Controller

Introduction to Micro-controllers Microprocessors and micro-controllers are widely used in embedded system products. An embedded product uses a microprocessor (or micro-controller) to do one task and one task only. Whereas a micro-controller is used in an embedded system which perform a specific and a dedicated task, a microprocessor is used in systems which can perform […]

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