Part Number
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EDE1144 |
Manufacturer
|
E-Lab |
Description
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Keypad Encoder IC |
Published
|
Jan 8, 2007 |
Detailed Description
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com
EDE1144 Keypad Encoder IC
4 x 4 Matrix Keypad Encoder IC
EDE1144
RS-232 Output 1 0=2400, 1=9600 Ba...
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Datasheet
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EDE1144
|
Overview
com
EDE1144 Keypad Encoder IC
4 x 4 Matrix Keypad Encoder IC
EDE1144
RS-232 Output 1 0=2400, 1=9600 Baud 2 Connect to +5V 3 Connect to +5V 4 Digital Ground 5 Row 0 Output 6 Row 1 Output 7 Row 2 Output 8 Row 3 Output 9 XMIT Baud +5V +5V GND R0 R1 R2 R3 Beep Valid OSC1 OSC2 +5V C3 C2 C1 C0 18 Beeper Output 17 Data Valid Output 16 Oscillator Conection 15 Oscillator Connection 14 Connect to +5V 13 Column 3 Input 12 Column 2 Input 11 Column 1 Input 10 Column 0 Input
Functionality & Feature Set:
• • • • • • • • • •
Automatic key repeat after delay Contact debouncing Keybeep provides tactile feedback to operator Electrically quiet (reduced EMI) keypad scanning Serial / Parallel ...
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