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STMPE821 Datasheet(PDF) 4 Page - STMicroelectronics

Part # STMPE821
Description  8-bit Xpander Logic??with touchkey controller
PDF  55 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE821 Datasheet(HTML) 4 Page - STMicroelectronics

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STMPE821 functional overview
STMPE821
4/55
1
STMPE821 functional overview
The STMPE821 consists of the following blocks:
●
GPIO controller
●
PWM controller
●
Impedance sensor
●
Touchkey controller
●
I2C interface
1.1
STMPE821 block diagram
Figure 1.
Functional block diagram
CS00046
Impedance
sensor
I
2
C
interface
GPIO
controller
Touchkey
controller
PWM
controller
GPIO 0 - 7
/Touch 0 - 7
INT
RST
SCLK
SDAT
ARef
GND
VCC
VIO



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