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TMG39921 Datasheet(PDF) 22 Page - ams AG

Part # TMG39921
Description  Gesture, Color, ALS, and Proximity Sensor Module with mobeam Barcode Emulation
PDF  95 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

TMG39921 Datasheet(HTML) 22 Page - ams AG

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[v1-04] 2014-Oct-24
TMG3992 − Detailed Description
and data collection rate. If wait is enabled, WEN=1, the delay is
adjustable from 2.78ms to 8.54s, as set by the value in the
WTIME register and WLONG control bit.
Sleep After Interrupt Operation
After all the enabled engines/operational states have executed,
causing a hardware interrupt, the state machine returns to
either IDLE or SLEEP, as selected by the Sleep After Interrupt bit,
SAI. SLEEP is entered when two conditions are met: SAI = 1, and
the INT pin has been asserted. Entering SLEEP does not
automatically change any of the register settings (E.g. PON bit
is still high, but the normal operational state is over-ridden by
SLEEP state). SLEEP state is terminated by an I2C clear of the INT
pin or if SAI bit is cleared.
Proximity Operation
The Proximity detection feature provides object detection
measurement by photodiode detection of reflected IR energy
sourced by the integrated LED. The following registers and
control bits govern proximity operation and the operational
flow is depicted inFigure 30.



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