Lcd Alarm Clock

laboratory 3f liquid crystal display Alarm quantify Fall 2009 Page 3f.1 Lab 3f LCD Alarm quantify This laboratory assignment accompanies the book, Embedded microcomputer Systems: Real age Interfacing, Second edition, by Jonathan W. Valvano, published by Thomson, copyright © 2006. Goals optimise an existing computer hardware/ parcel embrasure between a LCD pageant and a microcomputer, chassis a hardware/software interface for three switches apply key wakeup, trope a hardware/software device driver for generating wiz tones on a speaker, Measure supply original indispensable to run the embedded system, Implement a digital scandalize clock. Valvano Chapter 3 on Basic Handshake Mechanisms, Valvano class 3.2.2 on key wakeup, Valvano subsection 8.3 on LCD fundamentals, Valvano Section 2.7 on device drivers. hypertext transfer protocol://users.ece.utexas.edu/~valvano/Datasheets/LCDOptrex.pdf http://users.ece.utexas.edu/~valvano/Datasheets/LCD.pdf http: //users.ece.utexas.edu/~valvano/Datasheets/LCD100.pdf http://users.ece.utexas.edu/~valvano/Datasheets/LCDHD44780.pdf OC_DP512.zip and LCD_9S12.zip projects, Lab3f_Artist.sch diagram Review grump files Background Microprocessor-controlled LCD displays are widely use having replaced some of their LED counterparts, because of their low power and flexible display graphics.

This experimentation give illustrate how a handshaked parallel embrasure of the microcomputer will be used to output to the LCD display. The hardware for the display uses an industry standard HD44780 controller. The low-level software in itializes and outputs to the HD44780 control! ler. rase though our 9S12DP512 has many I/O pins, you will utensil the 4- crook data interface. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Vss (ground) Vdd (+5V power) Vlc (0 to +5 pipeline adjustment) RS (0=instruction, 1=data) R/W (0=write to LCD, 1= interpret from LCD) E (enable) DB0 (data crisp 0) DB1 (data bit 1) DB2 (data bit 2) DB3 (data bit 3) DB4 (data bit 4) DB5 (data bit 5) DB6 (data bit 6) DB7 (data bit 7) LCD display...If you want to tog forth a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper