Product Information

KIT33972AEWEVBE

KIT33972AEWEVBE electronic component of NXP

Datasheet
Switch IC Development Tools MULTIPLE SWITCH DETECT I
Manufacturer: NXP
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



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Manufacturer
Product Category
RoHS - XON
Icon ROHS
Product
Type
Tool Is For Evaluation Of
Operating Supply Voltage
Interface Type
Brand
For Use With
Maximum Operating Temperature
Minimum Operating Temperature
Operating Supply Current
Cnhts
Hts Code
Mxhts
Product Type
Factory Pack Quantity :
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Taric
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Additional Infomation About Product

Document Number: MC33972 Freescale Semiconductor Rev. 19.0, 3/2012 Technical Data Multiple Switch Detection Interface with Suppressed 33972/A/T Wake-up MULTIPLE SWITCH The 33972 Multiple Switch Detection Interface with suppressed DETECTION INTERFACE 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. The 33972 device has two modes of operation, Normal and Sleep. Normal mode allows programming of the device and supplies switch EW SUFFIX (Pb-FREE) EK SUFFIX (Pb-FREE) contacts with pull-up or pull-down current as it monitors switch change 98ARH99137A 98ASA10556D of state. The Sleep mode provides low quiescent current, which makes 32-PIN SOICW 32-PIN SOICW EP the 33972 ideal for automotive and industrial products requiring low sleep-state currents. ORDERING INFORMATION Features Temperature Designed to operate 5.5 V V 26 V PWR Device Package Range (T ) A Switch input voltage range -14 V to V , 40 V Max PWR Interfaces directly to MPU using 3.3 V / 5.0 V SPI protocol MC33972TEW/R2 32 SOICW Selectable wake-up on change of state -40 C to 125 C MC33972ATEW/R2 Selectable wetting current (16 or 2.0 mA) MC33972ATEK/R2 32 SOICW EP 8 programmable inputs (switches to battery or ground) 14 switch-to-ground inputs Typical standby current - V 100 A and V = 20 A PWR = DD Active interrupt (INT) on change-of-switch state VDD POWER SUPPLY VBAT VBAT LVI 33972 SP0 VPWR VDD SP1 VBAT ENABLE VDD SP7 WAKE SG0 SG1 MCU SI MOSI WATCHDOG SCLK SCLK RESET SG12 CS CS SO MISO SG13 INT INT AMUX AN0 GND Figure 1. 33972 Simplified Application Diagram Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. Freescale Semiconductor, Inc., 2009-2012. All rights reserved.DEVICE VARIATIONS DEVICE VARIATIONS Table 1. Device Variations Device Switch Input Voltage Range Reference Location 33972 5, 6 -14 to 38 V DC 33972A 5, 6 -14 to 40 V DC 33972 Analog Integrated Circuit Device Data 2 Freescale Semiconductor

HS Compliance

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free

NXP may also be referenced as

FR9
Freescale
FREESCALE SEMI
Freescale Semicon
FREESCALE SEMICONDUC
Freescale Semiconductor
Freescale Semiconductor - NXP
NXP
NXP Freescale
NXP (FREESCALE)
NXP / Freescale
NXP SEMI
NXP Semicon
NXP SEMICONDUCTOR
NXP Semiconductors
NXP USA Inc.
PH3
PHI

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