CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM ...
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Transcript of CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM ...
![Page 1: CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port.](https://reader031.fdocument.pub/reader031/viewer/2022031914/56649ca65503460f94968ee5/html5/thumbnails/1.jpg)
![Page 2: CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port.](https://reader031.fdocument.pub/reader031/viewer/2022031914/56649ca65503460f94968ee5/html5/thumbnails/2.jpg)
CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port
![Page 3: CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port.](https://reader031.fdocument.pub/reader031/viewer/2022031914/56649ca65503460f94968ee5/html5/thumbnails/3.jpg)
CPU
General-Purpose Micro-processor
RAM ROM I/O Port
TimerSerial COM Port
Data Bus
Address Bus
General-Purpose Microprocessor System
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
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![Page 5: CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port.](https://reader031.fdocument.pub/reader031/viewer/2022031914/56649ca65503460f94968ee5/html5/thumbnails/5.jpg)
![Page 6: CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port.](https://reader031.fdocument.pub/reader031/viewer/2022031914/56649ca65503460f94968ee5/html5/thumbnails/6.jpg)
![Page 7: CPU: Central Processing Unit I/O: Input /Output Bus: Address bus & Data bus Memory: RAM & ROM Timer Interrupt Serial Port Parallel Port.](https://reader031.fdocument.pub/reader031/viewer/2022031914/56649ca65503460f94968ee5/html5/thumbnails/7.jpg)
RAM ROM
I/O Port
TimerSerial 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 :
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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.
expansive versatility general-purpose
Microcontroller
• CPU, RAM, ROM, I/O and timer are all on a single chip
• fix amount of on-chip ROM, RAM, I/O ports
• for applications in which cost, power and space are critical
• single-purpose
Microprocessor vs. Microcontroller
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CPU
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