Microcontroller 8051

Microcontroller 8051 - Contents Contents Introduction...

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Unformatted text preview: Contents: Contents: Introduction Introduction Block Diagram and Block Diagram and Pin Description of the 8051 Pin Description of the 8051 Registers Registers Memory mapping in 8051 Memory mapping in 8051 Stack in the 8051 Stack in the 8051 I/O Port Programming I/O Port Programming Timer Timer Interrupt Interrupt Why do we need to learn Why do we need to learn Microprocessors/controllers? Microprocessors/controllers? The microprocessor is the core of computer systems. Nowadays many communication, digital entertainment, portable devices, are controlled by them. A designer should know what types of components he needs, ways to reduce production costs and product reliable . . Different aspects of a microprocessor/controller Hardware :Interface to the real world Software :order how to deal with inputs The necessary tools for a The necessary tools for a microprocessor/controller microprocessor/controller CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port CPU General- Purpose Micro- processor RAM ROM I/O Port Timer Serial COM Port Data Bus Address Bus General-Purpose Microprocessor System Microprocessors: Microprocessors: CPU for Computers No RAM, ROM, I/O on CPU chip itself Example : Intel’s x86, Motorola’s 680x0 Many chips on mother’s board General-purpose microprocessor RAM ROM I/O Port Timer Serial COM Port Microcontroller CPU A smaller computer On-chip RAM, ROM, I/O ports... Example : Motorola’s 6811, Intel’s 8051, Zilog’s Z8 and PIC 16X A single chip Microcontroller : Microprocessor CPU is stand-alone, RAM, ROM, I/O, timer are separate designer can decide on the amount of ROM, RAM and I/O ports....
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This note was uploaded on 02/23/2012 for the course CS 101 taught by Professor Martand during the Spring '10 term at Punjab Engineering College.

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Microcontroller 8051 - Contents Contents Introduction...

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