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Title: COMP3221: Microprocessors and Embedded Systems Author: huiw Last modified by: CSE Created Date: 7/19/2004 2:51:04 AM Document presentation format
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Title: PowerPoint Presentation Author: CSE Last modified by: CSE Created Date: 10/24/2005 6:46:04 AM Document presentation format: On-screen Show Company
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COMP3221: Microprocessors and Embedded Systems Lecture 17: Computer Buses and Parallel Input/Output (I) http://www.cse.unsw.edu.au/~cs3221 Lecturer: Hui Wu
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Title: COMP3221: Microprocessors and Embedded Systems Author: huiw Last modified by: huiw Created Date: 7/19/2004 2:51:04 AM Document presentation format
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Title: COMP3221: Microprocessors and Embedded Systems Author: huiw Last modified by: huiw Created Date: 7/19/2004 2:51:04 AM Document presentation format
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Title: COMP3221: Microprocessors and Embedded Systems Author: huiw Last modified by: CSE Created Date: 7/19/2004 2:51:04 AM Document presentation format
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COMP3221: Microprocessors and Embedded Systems. Lecture 16: ... Clear Timer on Compare Match (Auto Reload) Glitch-free, Phase Correct Pulse Width Modulator (PWM) ...
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... Microprocessors and Embedded Systems--Lecture 1. 1 ... systems are part of a larger system or product, as is the case of an anti-lock braking system in a car. ...
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COMP3221: Microprocessors and Embedded Systems. Lecture 17: Computer Buses and ... High Impedance (a) Three-state gate. Vcc (b) Typical open-collector gate ...
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Decimal: Great for humans; most arithmetic is done with these. ... how to do basic arithmetic with them ( ,-,*,/). Hex: Terrible for arithmetic; but if we are ...
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COMP3221: Microprocessors and Embedded Systems--Lecture 8. 1 ... A stack may grow upwards (from a lower address to a higher address) or downwards ...
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... for the order of data transmission: least significant bit first or ... At the other end of the telephone line, a demodulator converts the tones back to ...
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The hardware that allows this is Interrupt Enable Flip-Flop (INTE-FF) ... CPU designers reserve specific memory locations for a vector associated with each IRQ line. ...
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Framing error detection. ... Frame Formats (Cont.) A frame starts with the start bit followed by the least significant data bit. ...
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Different exam papers for undergraduate and postgraduate students. ... It uses a 2*2 keypad to get the input from the user and requires that any ...
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COMP3221 lec9-logical-I.1. Saeid Nooshabadi. COMP 3221. Microprocessors and ... instruction would mask the rightmost 8 bits a and clears leftmost 24 bits : ...
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COMP3221 lec31-mem-bus-II.1. Saeid Nooshabadi. COMP 3221. Microprocessors and ... Use wait states for mem Accesses. mreq = 1 internal operation. mreq ... Wait ...
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COMP3221 lec23-decode.1. Saeid Nooshabadi. COMP 3221 ... rot. Immd. shift. Shift. type #Shift. Branch. Offset. 31 2827-2524 212019 1615 1211 87 - 0 ...
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beq Fin ; no= Fin. add a3,a3,a1 ; prod =mcand. sub a2,a2,#1 ; ... Fin: mov a1,a3 ; a1=prod mov pc, lr ; return. COMP3221 lec18-function-III.15. Saeid Nooshabadi ...
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COMP3221 lec15-function-I.1. Saeid Nooshabadi. COMP 3221. Microprocessors and ... Unconditional branches: b, bal, and ... Unconditional branches: b, mov pc, ...
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ELEC2041 lec18-pointers.1. Saeid Nooshabadi. COMP3221/9221. Microprocessors and Interfacing ... Follow the procedure conventions and nobody gets hurt. ...
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COMP3221 lec18-pointers.1. Saeid Nooshabadi. COMP 3221. Microprocessors and Embedded Systems ... Follow the procedure conventions and nobody gets hurt. ...
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Much Slower Flash-ROM. COMP3221 lec33-Cache-I.4. Saeid Nooshabadi. Memory ... Applications are copied from the FLASH ROM to int. RAM to make them go faster ...
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COMP3221: Microprocessors and Embedded Systems. Lecture 14: Floating Point Numbers ... http://cch.loria.fr/documentation/IEEE754/numerical_comp_guide/index.html. ...
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r15 is program counter pointing to instructions being ... Using the Barrel Shifter: The Second Operand. Register, optionally with shift operation applied. ...
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1000 0110 if both ve and -ve representation in 2's complement used ... Computer operations on the representation correspond to real operations on the real thing ...
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COMP 3221 Microprocessors and Embedded Systems Lecture 4: Memory Access http:www'cse'unsw'edu'aucs32
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Example: C Asm Obj Exe Run. extern int posmul(int mlier, int mcand); int main (void) ... loaded into memory when program is run. what must it do ...
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cmp register1, #immediate ;compare register1 with ; immediate number ... Cars make a great vehicle for deploying embedded processors in huge numbers. ...
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tRDS Read data setup: The time the data must be valid before they are read by the CPU. ... tAS Address setup: The minimum time the address must be valid before ...
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