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| TIC10024-Q1 Datasheet, PDF (22/81 Pages) Texas Instruments – 24-Input Multiple Switch Detection Interface (MSDI) Device With Adjustable Wetting Current for Automotive Systems | |||
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TIC10024-Q1
SCPS268 â SEPTEMBER 2017
www.ti.com
Regulator
VIN
+
VBAT
±
GND
TIC10024-Q1
VDD
/INT
10NŸ
10NŸ
Q1
10NŸ
LDO_EN
VOUT
Microcontroller
GND
10NŸ
V3p3
VDD
C_INT
GPIO 1
Q2
AGND
10NŸ
C_LDO_EN
GPIO 2
GND
GND
GND
GND
Figure 15. INT Connection to Support Microcontroller Wake-Up
8.3.9.4 Interrupt Enable / Disable And Interrupt Generation Conditions
Each switch input can be programmed to enable or disable interrupt generation upon status change by
configuring registers INT_EN_COMP1 to INT_EN_COMP2 .
The abovementioned registers can also be used to control interrupt generation condition based on the following
settings:
1. Rising edge: an interrupt is generated if the current input measurement is above the corresponding
threshold and the previous measurement was below.
2. Falling edge: an interrupt is generated if the current input measurement is below the corresponding
threshold and the previous measurement was above.
3. Both edges: changes of the input voltage in either direction results in an interrupt generation.
Note interrupt generation from switch status change is disabled for all inputs by default upon device reset.
22
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