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PICDEM2 Folha de dados(PDF) 36 Page - Microchip Technology

Nome de Peças PICDEM2
Descrição Electrónicos  simple board
PDF  60 Pages
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Fabricante Electrônico  MICROCHIP [Microchip Technology]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PICDEM2 Folha de dados(HTML) 36 Page - Microchip Technology

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 2001 Microchip Technology Inc.
DS30374D-page 31
PICDEM 2 USER’S GUIDE
12
Chapter 6. LCD Demo
The kbd4bit.asm and kbd8bit.asm programs demonstrate how to
interface to an LCD module in both the 4-bit and 8-bit interface modes. The
programs read the keypad and output the keypresses to the LEDs and the
LCD module. Two include files on the disk, lcd4bit.asm and
lcd8bit.asm,
have all of the routines necessary to run the display.
For more information on LCD operation, please refer to Interfacing PICmicro
Microcontrollers to an LCD Module - AN587. For detailed information on the
PICDEM 2 hardware, please refer to Appendix A.
Figure 6.1: LCD Demo
PICDEM 2 DEMO BOARD
U2
U1
PIC16C73
PIC16C64/74
RN1
7
6
5
4
3
2
10
RN2
PORT B
©1994
2
1
LCD DSPLY
14
13
J3
R6
R5
RN3
J4
KEYPAD
1
RN4
LEDs
Keypad
LCD
(28-pin Device)
(40-pin Device)



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