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CHAPTER 10 Keyboard and Printer Interfacing. Matrix Keyboard.

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Presentation on theme: "CHAPTER 10 Keyboard and Printer Interfacing. Matrix Keyboard."— Presentation transcript:

1 CHAPTER 10 Keyboard and Printer Interfacing

2 Matrix Keyboard

3 Flowchart

4 Keyboard Serial Transmission Format

5 Make and Break

6 PC Scan Codes for PC/XT

7 Combination Key Scan Codes for PC/XT

8 Extended Keyboard Scan Codes

9 Keyboard Status Bytes

10 Keyboard Cable Jack for PC

11 INT 09

12 INT 09 Summary

13 Keyboard Buffer

14 INT 09H Routine

15 INT 16H (part 1)

16 INT 16H (part 2)

17 PRINTER INTERFACE

18 DB25 (Male) Printer Connector

19 Centronics Printer Interface Specs

20 Timing Diagram for Printer

21 LPT Base Addresses

22 PC Printer Ports and Functions

23 Data, Status, and Control Ports

24 BIOS INT 17H

25 BIOS INT 17H (continued)

26 Inner workings of INT 17H

27 SPP

28 EPP

29 ECP

30 Buffering Data and Control Ports

31 Connecting to a LCD Module

32 Connecting a Stepper Motor to a Parallel Port

33 Buffering LPTs Data Port

34 LPT I/O Address

35 Printer Control Characters

36 Review (1)

37 Review (2)

38 Review (3)


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