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PDF EB014-00-1 Data sheet ( Hoja de datos )
| Número de pieza | EB014-00-1 | |
| Descripción | Keypad board | |
| Fabricantes | Matrix Multimedia | |
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E-blocks™ Keypad board
Document code: EB014-30-1
Keypad board datasheet
EB014-00-1
Contents
1. About this document ......................................................................................................................................................................2
2. General information .......................................................................................................................................................................3
3. Board layout ...................................................................................................................................................................................4
4. Testing this product........................................................................................................................................................................5
5. Circuit description ..........................................................................................................................................................................6
Appendix 1 Circuit diagram
Copyright © Matrix Multimedia Limited 2005
page 1
1 page  
E-blocks™ Keypad board
Document code: EB014-30-1
4. Testing this product
The following program will test the circuit. The test file can be downloaded from www.matrixmultimedia.com.
1. System Setup
Multi-programmer board (EB006) with:
EB006 Options
Power supply
PICmicro device
SW1 (Fast/Slow)
SW2 (RC/Xtal)
Xtal frequency
Port A
Port B
Port C
Port D
Port E
Test program
Setting
External, 14V
16F877A
Don’t care
Xtal
19.6608MHz
LED board EB004
Keypad board EB014
keypad.hex
2. Test Procedure
1) Wire power to all boards.
2) Configure system and board options as above.
3) Download the test program to the Multiprogrammer
4) Press each button on the Keypad Board and check that the binary value of that Keypad number
illuminates on the LED Board
5) For example pressing keypad button 5 will illuminate “(MSB) 0 0 0 0 0 1 0 1 (LSB)”
1. The * button on the keypad represents the number 10
2. The # button on the keypad represents the number 11
Copyright © Matrix Multimedia Limited 2005
page 5
5 Page | ||
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| PDF Descargar | [ Datasheet EB014-00-1.PDF ] | |
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