Steven Barrett, Mitchell Thornton's Embedded Systems Design with the Atmel AVR Microcontroller PDF

By Steven Barrett, Mitchell Thornton

ISBN-10: 1608451275

ISBN-13: 9781608451272

This textbook presents practising scientists and engineers a complicated therapy of the Atmel AVR microcontroller. This ebook is meant as a follow-on to a formerly released publication, titled Atmel AVR Microcontroller Primer Programming and Interfacing. a number of the content material from this past textual content is retained for completeness.
This publication will emphasize complicated programming and interfacing talents. We specialize in approach point layout which include numerous interacting microcontroller subsystems. the 1st bankruptcy discusses the process layout method. Our strategy is to supply the abilities to fast wake up to hurry to function the the world over well known Atmel AVR microcontroller line through constructing structures point layout talents. We use the Atmel ATmega164 as a consultant pattern of the AVR line. the information you achieve in this microcontroller might be simply translated to each different microcontroller within the AVR line. In succeeding chapters, we disguise the most subsystems aboard the microcontroller, offering a brief conception part via an outline of the comparable microcontroller subsystem with accompanying software program for the subsystem. We then supply complicated examples workout the various positive aspects mentioned. In all examples, we use the c program languageperiod. The code supplied might be quite simply tailored to the big variety of compilers on hand for the Atmel AVR microcontroller line. We additionally contain a bankruptcy describing easy methods to interface the microcontroller to a wide selection of enter and output units. The e-book concludes with a number of exact procedure point layout examples applying the Atmel AVR microcontroller. desk of Contents Embedded platforms layout / Atmel AVR structure evaluation / Serial conversation Subsystem / Analog to electronic Conversion (ADC) / Interrupt Subsystem / Timing Subsystem / Atmel AVR working Parameters and Interfacing / method point layout

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8: Programming the ATmega164 with the STK500. 37 38 CHAPTER 2. ATMEL AVR ARCHITECTURE OVERVIEW 9. This should bring up a STK500 pop up window with six tabs (Program, Fuses, Lockbits, Advanced, Board, Auto). At the bottom of the Program tab window verify that the STK500 was autodetected. Troubleshoot as necessary to ensure STK500 was autodetected by AVR Studio. 10. 0V – External Crystal/Resonator High Frequency; Start-up time 16K CK + 64ms • Lock bits: – – – – – Mode 1 Application Protection Mode 1 Boot loader Protection Mode 1 Advanced: N/A Board: N/A • Auto: – – – – – – Erase Device Program Flash Verify Flash Program Fuses Verify Fuses Read Fuses 11.

5 PROGRAMMABLE LOCK BITS To provide users with memory security from tampering, the ATmega164 is equipped with six memory lock bits. These lock bits are programmed using the Atmel STK500 programming board. The lock bits may be configured for the following options: • No memory lock features enabled, • No further programming of memory is allowed using parallel or serial programming techniques, or 22 CHAPTER 2. ATMEL AVR ARCHITECTURE OVERVIEW • No further programming or verification of memory is allowed using parallel or serial programming techniques.

30 CHAPTER 2. ATMEL AVR ARCHITECTURE OVERVIEW To answer these questions, it is helpful to construct a diagram illustrating all peripheral devices and their connection to the microcontroller. This will help to determine the required microcontroller subsystems and the number of digital input/output pins. The memory question is more difficult to answer. How can you determine the size of Flash EEPROM required for a specific application before you write the code for the application? In this case, you can choose a family of pin-for-pin compatible microcontrollers such as the ATmega164/324/644.

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Embedded Systems Design with the Atmel AVR Microcontroller by Steven Barrett, Mitchell Thornton

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