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MC33993

Part Number	MC33993
Manufacturer	Motorola
Description	Multiple Switch Detection Interface
Published	Sep 21, 2005
Detailed Description	ARCHIVE INFORMATION ARCHIVE INFORMATION Freescale Semiconductor Advance Information Multiple Switch Detection Interface...
Datasheet	MC33993 PDF File

Overview

ARCHIVE INFORMATION ARCHIVE INFORMATION Freescale Semiconductor Advance Information Multiple Switch Detection Interface Document Number: MC33993 Rev.
6, 5/2008 33993 The 33993 Multiple Switch Detection Interface is designed to detect the closing and opening of up to 22 switch contacts.
The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI).
The device also features a 22-to-1 analog multiplexer for reading inputs as analog.
The analog input signal is buffered and provided on the AMUX output pin for the MCU to read.
MULTIPLE SWITCH DETECTION INTERFACE The 33993 device has two modes of operation, Sleep and Norma...

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