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STMPE16M31PX Datasheet(PDF) 8 Page - STMicroelectronics

Part # STMPE16M31PX
Description  S-Touch® 16-channel touchkey controller with proximity sensing
PDF  75 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE16M31PX Datasheet(HTML) 8 Page - STMicroelectronics

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Pin assignment
STMPE16M31PX
8/75
Doc ID 17058 Rev 2
1.1
Power scheme
The STMPE16M31PX is powered by a 2.7- 5.5 V supply. An internal voltage regulator
regulates this supply into 1.8 V for core operation. It is recommended to connect a 1 µF
capacitor at VCC pin for filtering purpose. The VIO powers all GPIOs directly, if any LED
driving is required on the GPIO, the VIO should be at least 3.3 V.
Figure 4.
Power supply scheme
1.2
Power states
The STMPE16M31PX operate in 3 states. Table 4 illustrates the capability of the device in
each of the power states.
AM04129V2
STMPE16M31PX
VIO
VCC
GND
2.7 - 5.5 V
1
μF
Table 4.
Functions available in each power state
Hibernate
Sleep
Active
I2C
Yes
Yes
Yes
GPIO hotkey
Yes
Yes
Yes
PWM
No
Yes
Yes
Capacitive sensing
No
Slow
Yes
Proximity sensor
No
No
Yes
Obsolete
Product(s)
- Obsolete
Product(s)



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