MC33975 - Multiple Switch Detection Interface

Freescale Semiconductor

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Datasheet Details

Part number	MC33975
Manufacturer	Freescale Semiconductor
File Size	910.74 KB
Description	Multiple Switch Detection Interface
Datasheet	MC33975_FreescaleSemiconductor.pdf

MC33975 Product details

Description

of each terminal can be found in the Functional Terminal Description section on page 11. 8 25 28 9 15, 18 24 16 17 29 30 31 32 Terminal Name GND SI SCLK CS SPn SGn VPWR WAKE INT AMUX VDD SO Formal Name Ground SPI Slave In Serial Clock Chip Select Programmable Switches 0 3 Programmable Switches 4 7 Switch-to-Ground Inputs 0 6 Switch-to-Ground Inputs 13 7 Battery Input Wake-Up Interrupt Analog Multiplex Output Volta

Features

a 22-to-1 analog multiplexer for reading inputs as analog. The 33975 device has two modes of operation, Normal and Sleep. Normal mode allows programming of the device and supplies switch contacts with pull-up or pull-down current as it monitors switch change of state. The Sleep mode provides low quiescent current, which makes the 33975 ideal for automotive and industrial products requiring low sleep state currents. Improvements are a programmable interrupt timer for Sleep mode that can be disabl.

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Published: Aug 8, 2007 |