'Interrupt vector' diaporamas de présentation

Input and Output

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Architecture and instruction set

Architecture and instruction set. Microcontroller Core Features:. Operating speed: DC - 20 MHz clock input DC - 200 ns instruction cycle Up to 8K x 14 words of FLASH Program Memory, Up to 368 x 8 bytes of Data Memory (RAM) Up to 256 x 8 bytes of EEPROM Data Memory

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Chapter 6 Interrupts and Resets

Chapter 6 Interrupts and Resets. Basics of Interrupts (1 of 4). What is an interrupt? A special event that requires the CPU to stop normal program execution and perform some service related to the event.

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CHAPTER 13: I/O SYSTEMS

CHAPTER 13: I/O SYSTEMS. Overview I/O Hardware I/O API I/O Subsystem Transforming I/O Requests to Hardware Operations Streams Performance. OVERVIEW. Incredible variety of I/O devices Increasing standardization of I/O hardware and software interface

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Exceptional Control Flow: Exceptions and Processes CS220: Comput er Systems II

Exceptional Control Flow: Exceptions and Processes CS220: Comput er Systems II. Today. Exceptional Control Flow Processes. Control Flow. Processors do only one thing: From startup to shutdown, a CPU simply reads and executes (interprets) a sequence of instructions, one at a time

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CS 450

CS 450. Module R5. Next Week. Reminder: R3 & R4 is due next Friday. Only one member of your group needs to be present at demonstration. If your group would like to demonstrate earlier than Friday, please email me by Wednesday afternoon so we can set up a time.

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CS 450

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SEFI Mitigation Techniques for Microprocessors

SEFI Mitigation Techniques for Microprocessors. Space Micro Inc. Author: David Czajkowski (760) 815-5330 dcz@spacemicro.com. MSFC & Space Micro Mtg Agenda. Background & need for SEFI mitigation Hardened Core SEFI Mitigation Description Hardened Core Test Setup

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Implementation of Interface Synthesis System (3rd Presentation)

Implementation of Interface Synthesis System (3rd Presentation). ? ? ? 1999. 11. 9. ?? ?? ??. Data Structure ?? ?? ???? ?? ? (30%) Algorithm Revision. Embedded System Design Using ARM7/AMBA and Device Driver Synthesis. ? ? ? 1999. 11. 9. Contents. Embedded System Design

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Hardware Support for Operating Systems

Hardware Support for Operating Systems. Sunny Gleason Vivek Uppal COM S 414 gleason@cs.cornell.edu vu22@cornell.edu. Multitasking. In a multitasking uniprocessor OS, the OS tries to give each process the illusion that it is running on its own CPU. In reality, the OS:

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??? ?? I/O ?? ?????

??? ?? I/O ?? ?????. ?????. ??????? ?? (common anode) ?? (common cathode). Page 5-7 List 5.1 ???????? H. #include ht48r70a-1.INC DataBus EQU PA DataBus _ c EQU PAC DotMatrix _ SEL EQU PF0 Segment _ SEL EQU PF1 ; 7 Segment Data Bus Latch signal

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Computer Security The Security Kernel

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VIRUS TECHNOLOGY

VIRUS TECHNOLOGY. INTRODUCTION. The basics of computer Virus Summarizing what they are ? How they attack ? What we can do to protect our selves ?. What is Computer Virus ?.

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Physics 120B: Lecture 12

Physics 120B: Lecture 12. Timers and Scheduled Interrupts. Timer Basics. The Arduino Uno/ Nano ( ATMega 328) has three timers available to it ( Arduino Mega has 6 ) max frequency of each is 16 MHz , (as assembled)

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Butterfly I/O Ports

CS-212 Dick Steflik. Butterfly I/O Ports. I/O for our labs. To get data into and out of our Butterfly its a little trickier than using printf and scanf as you did in CS211 Since the Butterfly doesn't have an Operating System we need to write and read data directly to/from the I/O ports

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Interrupt

Interrupt. Interrupts of 8051. Introduction 8051 Interrupt organization Processing Interrupts Program Design Using Interrupts Timer Interrupts Serial Port Interrupts External Interrupts Interrupt Timings. Interrupt.

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Interrupts , and Low-Power Modes

Interrupts , and Low-Power Modes. Interrupts.

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Microprocessors 1

Microprocessors 1. MCS-51 Interrupts. Interrupts. An interrupt is the occurrence of an event that causes a temporary suspension of a program while the condition is serviced by another program.

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CSC 2405 Computer Systems II

CSC 2405 Computer Systems II. Exceptions Mini-Lecture Traps & Interrupts. is. is. here is an analogy. . . Teacher. OS. each student. I/O device. Consider the inefficiency of OS polling. device 1 ready?. device 2 ready?. device n ready?. Because polling is so inefficient ,.

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