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Fig 8-4 p-341. S 5 =IF flag (interrupt Enable). S 6 =0 always.

Fig 8-4 p-341. S 5 =IF flag (interrupt Enable). S 6 =0 always.

Fig 8-4 p-341. S 5 =IF flag (interrupt Enable). S 6 =0 always. SSO=during read cycle, it is identifies whether a code or data access is in progress. Types of I/O for 8088/8086. Input/output system allows peripherals to: Provide data or Receive results after processing the data.

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962 views • 86 slides
CPE 323 Introduction to Embedded Computer Systems: The MSP430 System Architecture

CPE 323 Introduction to Embedded Computer Systems: The MSP430 System Architecture

CPE 323 Introduction to Embedded Computer Systems: The MSP430 System Architecture. Instructor: Dr Aleksandar Milenkovic Lecture Notes. Outline. MSP430: System Architecture System Resets, Interrupts, and Operating Modes Basic Clock Module Watchdog Timer.

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735 views • 62 slides
Eet203 microcontroller systems design

Eet203 microcontroller systems design

Eet203 microcontroller systems design. Lec 9: Interrupt Programming. OBJECTIVES. Contra and compare interrupts versus pooling Explain the purpose of the ISR List all the major interrupts of the PIC16 Enable and disable PIC16 interrupts

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499 views • 49 slides
COMP201 Computer Systems Exceptions and Interrupts

COMP201 Computer Systems Exceptions and Interrupts

COMP201 Computer Systems Exceptions and Interrupts. Outline Part1. Why have exceptions? What are exceptions and interrupts? The exception handler Device support for interrupts. Polled I/O. loop: Get device status Test status If not ready go to loop

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575 views • 44 slides
CS61C - Machine Structures Lecture 13 - Input/Output: Polling and Interrupts

CS61C - Machine Structures Lecture 13 - Input/Output: Polling and Interrupts

CS61C - Machine Structures Lecture 13 - Input/Output: Polling and Interrupts. October 11, 2000 David Patterson http://www-inst.eecs.berkeley.edu/~cs61c/. Review 1/2. Pointer is high level language version of address Like goto, with self-imposed discipline can achieve clarity and simplicity

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472 views • 32 slides
More fun with Timer/Counters

More fun with Timer/Counters

More fun with Timer/Counters. Timer Input Capture. 4 main functions built around the Timer/Counter subsystem. Pulse accumulator (T/C connected to external clock) Allows counting of external events Output Compare Set a register flag when timer reaches a certain value

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276 views • 10 slides
Universal Serial Interface USI

Universal Serial Interface USI

CS423 Dick Steflik. Universal Serial Interface USI. What is it for?. Basic hardware needed for serial comm: SPI (4-wire bus) ? MMC/SD Ethernet, UARTs, USARTs, JTAG (IEEE 1149.1) ? I2C/TWI (Inter-Integrated Circuit) (2/3-wire bus) ?

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199 views • 6 slides
Universal Serial Interface USI

Universal Serial Interface USI

CS423 Dick Steflik. Universal Serial Interface USI. What is it for?. Basic hardware needed for serial comm: SPI (4-wire bus) ? MMC/SD Ethernet, UARTs, USARTs, JTAG (IEEE 1149.1) ? I2C/TWI (Inter-Integrated Circuit) (2/3-wire bus) ?

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231 views • 6 slides

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