TIC10024-Q1 Datasheet, PDF (30/81 Pages) Texas Instruments – 24-Input Multiple Switch Detection Interface (MSDI) Device With Adjustable Wetting Current for Automotive Systems

TIC10024-Q1
SCPS268 – SEPTEMBER 2017
Device Functional Modes (continued)
Figure 20 illustrates the operation of the CCP when the device is configured to the polling mode.
Wetting
current
TRIGGER bit set
to logic 1 in
CONFIG register
tSTARTUP
IN0
IN1
tCOMPt
IN2
IN22
IN23
ttPOLL_TIMEt
tSTARTUP
ttCCP_TIMEt
ttCCP_TRANt
/INT
/CS
x Default input status is stored
x /INT pin is asserted after the
1^st detection cycle
Read on INT_STAT register
release the /INT pin
Figure 20. Polling With CCP Enabled
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Time
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