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Table of contents

Lecture 10 I/O

Slide 2

Slide 3

Slide 4

3: I/O for data xfer

Handshaking for asynchronous data transfer

Simple strobe

Single handshaking

Double handshaking

Implementation of handshaking

Terminology

Slide 12

Synchronous vs. Asynchronous

Example of synchronous data transfer

I2C byte transfer and acknowledge

Slide 16

Slide 17

Slide 18

Slide 19

Slide 20

Example of asynchronous data transfer

Slide 22

Slide 23

J1850 - networked peer to peer

J1850 - single wire with variable pulse width

J1850 - dual wire with pulse width modulation

HC12 Serial Interface

HC12 SCI

HC12 SCI data format

SCI operation

Slide 31

DMA

DMA structure

Memory to Memory DMA operation

Slide 35

Peripherals to memory DMA operation

Slide 37

Author: Richard Pfile, Stanley Chien, and Sarah Koskie

E-mail: skoskie@iupui.edu