Microcontroller Assignment Help
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- 3. MICROCONTROLLER Microcontroller is a small computer which is designed to carry out the embedded system operations in motor vehicles , vending machines , mobile radio transceiver etc. Processor , memory and programmable input/output peripherals are the parts of the microcontroller. Microcontrollers are "embedded" inside some other device (often a consumer product) so that they can control the features or actions of the product. Another name for a microcontroller, therefore, is "embedded controller. A microcontroller is often small and low cost. The components are chosen to minimize size and to be as inexpensive as possible.
- 4. BLOCK DIAGRAM OF MICROCONTROLLER
- 5. APPLICATION OF MICROCONTROLLER Light sensing and controlling devices like LED. Temperature sensing and controlling devices like microwave oven, chimneys. Fire detection and safety devices like Fire alarm. Measuring devices like Volt Meter. Mobile Phones Auto Mobiles Washing Machines Cameras Security Alarms
- 7. MICROCONTROLLER 8051 It is a 40pin microcontroller with Vcc of 5V connected to pin 40 and Vss at pin 20 which is kept 0V. There are input and output ports from P1.0 – P1.7 and which having open drain feature. Port3 has got extra features. Pin36 has open drain condition and pin17 has internally pulled up transistor inside the microcontroller. When we apply logic 1 at port1 then we get logic 1 at port21 and vice versa. The programming of microcontroller is dead. A RESET pin is connected to pin9, connected with a capacitor. When the switch is ON, the capacitor starts charging and RST is high. Applying a high to the reset pin resets the microcontroller.
- 9. RENESAS MICROCONTROLLER Renesas is latest automotive microcontroller family that offers high performance feature with exceptionally low power consumption over a wide and versatile extend of items. This microcontroller offers rich functional security and embedded safety characteristics required for new and advanced automotive applications . The core structure of microcontroller CPU support high reliability and high performance requirements. The Renesas microcontroller offering low power, high performance, modest packages and the largest range of memory sizes combined together with characteristics rich peripherals.
- 10. AVR MICROCONTROLLERS AVR microcontroller is developed by Alf-Egil Bogen and Vegard Wollan from Atmel Corporation. The AVR microcontrollers are modified harvard RISC architecture with separate memories for data and program and speed of AVR is high when compare to 8051 and PIC. The AVR is stands for Alf-Egil Bogen and Vegard Wollan’s RISC processor.
- 11. PIC MICROCONTROLLER PIC is a peripheral interface controller, developed by general instrument’s microelectronics, in the year of 1993. It is controlled by the software. They could be programmed to complete many task and control a generation line and many more. PIC microcontrollers are finding their way into new applications like smart phones, audio accessories, video gaming peripherals and advanced medical devices. There are many PICs, started with PIC16F84 and PIC16C84. But these were the only affordable flash PICs.
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