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MC33972 Datenblatt (PDF) - Freescale Semiconductor, Inc

MC33972 Datasheet PDF - Freescale Semiconductor, Inc
Teilenummer MC33972
Download  MC33972 Download

Filegröße   1723.01 Kbytes
Page   28 Pages
Hersteller  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Bauteilbeschribung Multiple Switch Detection Interface with Suppressed Wake-Up

MC33972 Datasheet (PDF)

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MC33972 Datasheet PDF - Freescale Semiconductor, Inc

Teilenummer MC33972
Download  MC33972 Click to download

Filegröße   1723.01 Kbytes
Page   28 Pages
Hersteller  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Bauteilbeschribung Multiple Switch Detection Interface with Suppressed Wake-Up

MC33972 Datenblatt (HTML) - Freescale Semiconductor, Inc

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MC33972 Produktdetails

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 pin for the MCU to read.



Features

• Designed to operate 5.5 V ≤ VPWR ≤ 26 V

• Switch input voltage range -14 V to VPWR, 40 V Max

• Interfaces directly to MPU using 3.3 V/5.0 V SPI protocol

• Selectable wake-up on change of state

• Selectable wetting current (16 or 2.0 mA)

• 8 programmable inputs (switches to battery or ground)

• 14 switch-to-ground inputs

• Typical standby current - VPWR = 100 μA and VDD = 20 μA

• Active interrupt (INT) on change-of-switch state

• Pb-free packaging designated by suffix code EW

• Exposed pad packaging designated by suffix code EK



 




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Über Freescale Semiconductor, Inc


Freescale Semiconductor war eine amerikanische Halbleiterfirma, die 1948 gegründet wurde.
Das Unternehmen war ein führender Anbieter von Mikrocontrollern, Sensoren und anderen Halbleiterprodukten für verschiedene Anwendungen in den Märkten Automobil-, Industrie- und Verbrauchermärkte.
Die Produkte von Freescale waren für ihre hohe Leistung, ihren geringen Stromverbrauch und ihren kleinen Formfaktor bekannt.
Das Unternehmen wurde 2015 von den NXP -Semikoneitern übernommen, und seine Produkte und Technologien werden weiterhin unter der Marke NXP entwickelt und verkauft.

*Diese Informationen dienen nur zu allgemeinen Informationszwecken. Wir haften nicht für Verluste oder Schäden, die durch die oben genannten Informationen verursacht werden.




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