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EDE1144

Part Number	EDE1144
Manufacturer	E-Lab
Description	Keypad Encoder IC
Published	Jan 8, 2007
Detailed Description	www.DataSheet4U.com EDE1144 Keypad Encoder IC 4 x 4 Matrix Keypad Encoder IC EDE1144 RS-232 Output 1 0=2400, 1=9600 Ba...
Datasheet	EDE1144 PDF File

Overview

www.
DataSheet4U.
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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EDE1144 Keypad Encoder IC - E-Lab

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