FIGURE 9-1 General Parallel I/O Example Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc.

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FIGURE 9-1 General Parallel I/O Example Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-2 Seven-Segment Display Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-3 Seven-Segment LED Display Connections Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-4 Seven-Segment Code Examples Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-5 Parallel Output to Seven-Segment Displays Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-6 Liquid-Crystal Display Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-7 Example of a 5 x 8 Dot Matrix LCD Display Controlled by an MC LCD Driver Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-8 Sample LCD Excitation Waveforms Based on MC Driver IC Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE x 4 Matrix Keyboard (Telephone Format) Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-10 Parallel I/O with Keyboard. Also connect PC7 high using a pull-up resistor. Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE out-of-7 Keyboard Decoding Using Port C Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-12 Using Hardware Decoders with Keyboard Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-13 Strobed I/O Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-14 Parallel I/O Control Register Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-15 Input Handshaking Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-16 Input Handshake Timing Diagrams Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-17 Output Handshaking Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-18 Output Handshake Timing Diagrams Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-19 Centronics Parallel Interface Timing Diagram Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-20 Centronics Parallel Interface Pin Assignments Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-21 IEEE-488 Handshaking Timing Diagram Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-22 Open-Drain Outputs for Wired-AND Application Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-23 Command and Data Phases of a SCSI Bus Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

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