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MC33972

Part Number	MC33972
Manufacturer	Motorola
Description	Multiple Switch Detection Interface
Published	Sep 21, 2005
Detailed Description	Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Document order number: MC33972 Rev 3.0, 12/2004 Adv...
Datasheet	MC33972 PDF File

Overview

Freescale Semiconductor, Inc.
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Document order number: MC33972 Rev 3.
0, 12/2004 Advance Information 33972 Multiple Switch Detection Interface with Suppressed Wake-Up The 33972 Multiple Switch Detection Interface with Suppressed Wake-Up 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 terminal for the MCU to read.
MULTIPLE SWITCH DETECTION INTERFAC...

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