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ECE 447: Lecture 16

ECE 447: Lecture 16

ECE 447: Lecture 16. Common Errors & Good Programming Style. Typical Assembly Language Program Bugs. ECE 447: Typical Assembly Language Program Bugs. 1. Improper transfer to subroutines. Correct: JSR, BSR Incorrect: JMP, BRA. 2. Forgetting to initialize stack pointer.

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410 views • 31 slides
ECE 447: Lecture 1

ECE 447: Lecture 1

ECE 447: Lecture 1. Microcontroller Concepts. Parallel I/O Device. Serial I/O Device. Parallel Data. Serial Data. Memory Program + Data. I/O Interface. CPU. Data Bus. Address Bus. Control Bus. ECE 447: Basic Computer System. ECE 447: Microprocessor vs. Microcomputer.

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448 views • 21 slides
ECE 447: Lecture 7

ECE 447: Lecture 7

ECE 447: Lecture 7. Polling and Interrupts. Main Program. Polling routine. Service device #1. Signal from device #1?. Service device #2. Signal from device #2?. Signal from device #N?. Service device #N. Cycle continuously. ECE 447: Polling. ECE 447: Interrupt.

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280 views • 19 slides
ECE 447: Lecture 18

ECE 447: Lecture 18

ECE 447: Lecture 18. Frequently Used Operations in C and Assembly Language. ECE 447: Comparing Unsigned Numbers. Assembly language. C. section .bss k: rmb 1 l: rmb 1 m: rmb 1 section .text comp: ldaa k cmpa l ; k vs. l bls next ; if (k ?l) goto next

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296 views • 19 slides
ECE 447: Lecture 4

ECE 447: Lecture 4

ECE 447: Lecture 4. Review of C Differences between C and C++. ECE 447: Benefits of using a High Level Language (HLL). Much shorter time of the software development, easier to write and debug Standard library functions

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256 views • 19 slides
ECE 447: Course Organization

ECE 447: Course Organization

ECE 447: Course Organization. Instructor: Michael Garcia, Engineering Bldg. 3707, 3708 mgarci10@gmu.edu Office hours: Wednesday, 7:20-8:20pm; Sunday, TBD Lab assistants: Michael Garcia (Monday) mgarci10@gmu.edu Mark Chaney (Tuesday) mchaney@gmu.edu

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297 views • 19 slides
ECE 447: Lecture 7

ECE 447: Lecture 7

ECE 447: Lecture 7. Polling and Interrupts. Main Program. Polling routine. Service device #1. Signal from device #1?. Service device #2. Signal from device #2?. Signal from device #N?. Service device #N. Cycle continuously. ECE 447: Polling. ECE 447: Interrupt.

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280 views • 19 slides
ECE 447: Lecture 4

ECE 447: Lecture 4

ECE 447: Lecture 4. Review of C Differences between C and C++. ECE 447: Benefits of using a High Level Language (HLL). Much shorter time of the software development, easier to write and debug Standard library functions

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294 views • 19 slides
ECE 447: Lecture 2

ECE 447: Lecture 2

ECE 447: Lecture 2. Internal Input/Output Devices (I/O Subsystems). RAM. CPU. ROM. EEPROM. A/D. SPI. TIMER. SCI. 8 (4). 8. 4. 2. PORT A. PORT B. PORT C. PORT D. PORT E. 3. 3. 2. 8. 8. 6. 8 (4). ECE 447: Organization of MC68HC11. ECE 447: Acronyms Used.

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283 views • 16 slides
ECE 447: Lecture 6

ECE 447: Lecture 6

ECE 447: Lecture 6. Program Sections. $0000. $1000. $1000-$103F 64 bytes I/O registers. $2000. $2000-$B5FF 37.5 kbytes. $B600-$B7FF 512 bytes EEPROM. $B600. $D000. $D000-$FFFF 12 kbytes ROM. $FFFF. Expanded bus mode. ECE 447: 68HC11E9 Memory Map. External RAM.

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188 views • 7 slides

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