lecture02

lecture02 - ECE252 Microprocessors Fall 2008 Lecture 02:...

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Jie Hu, ECE/NJIT, Fall 2008 ECE252 L02-68000 Arch.1 ECE252 Microprocessors Fall 2008 Lecture 02: 68000 Microprocessor Architecture Jie Hu http://web.njit.edu/~jhu/ece252
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Jie Hu, ECE/NJIT, Fall 2008 ECE252 L02-68000 Arch.2 Review of Last Lecture Evolution of computers First generation (vacuum tubes), 1946-1958 Second generation (transistor), 1959-1964 Third generation (integrated circuit), 1965-1970 Fourth generation (LSI/VLSI, Microprocessor), 1971-present Microprocessor based systems CPU, memory, timing unit, interrupt circuitry, I/O, peripherals, … Microprocessor operation Reset Fetch Decode Execute Fetch Programming languages HLL, assembly, and machine languages Developing software for 68000 microprocessor HELLO program
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Jie Hu, ECE/NJIT, Fall 2008 ECE252 L02-68000 Arch.3 Block Diagram of Macintosh 512K Motherboard Processor 68000 I/O Interface 6522 Real- time clock Serial I/O 8530 Floppy disk controller System ROM RAM buffers and Mux PAL decoders Dynamic RAM 512KB Sound logic Video logic Speaker Video display Control signals Modem Printer Mouse Keyboard System bus Disk drive
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Jie Hu, ECE/NJIT, Fall 2008 ECE252 L02-68000 Arch.4 Today’s Lecture Functional Description of the 68000 Programming Model of the 68000 Number Systems and Base Conversion ASCII Table EASy68K Text I/O
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Jie Hu, ECE/NJIT, Fall 2008 ECE252 L02-68000 Arch.5
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This note was uploaded on 02/18/2010 for the course ECET 252 taught by Professor Hu during the Spring '10 term at NJIT.

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lecture02 - ECE252 Microprocessors Fall 2008 Lecture 02:...

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