* 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 contacts with pullup
MCZ33972
Freescale Semiconductor
1.72 MB
Multiple switch detection interface.
Freescale Semiconductor Advance Information
Document Number: MC33972 Rev. 9.0, 4/2007
Multiple Switch Detection Interface with Suppressed Wake-Up
Th.
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