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STMPE812A Fiches technique(PDF) 4 Page - STMicroelectronics

No de pièce STMPE812A
Description  Integrated 4-wire resistive touchscreen controller, pen-down/real-time mode, fullyautonomous
PDF  53 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE812A Fiches technique(HTML) 4 Page - STMicroelectronics

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STMPE812A functional overview
STMPE812A
4/53
Doc ID 18225 Rev 4
1
STMPE812A functional overview
The STMPE812A consists of the following blocks:
●
I2C interface
●
GPIO/PWM controller
●
Touchscreen controller (TSC)
●
Analog-to-digital converted (ADC)
●
Driver and switch control unit
Figure 1.
STMPE812A block diagram
VDD
SCL
SDA
GND
I2C Interface
I2C Interface
Power
Management
Power
Management
Reset
System
POR
Reset
System
POR
POR
Touch
Screen
Drivers and
Switches
Touch
Screen
Drivers and
Switches
GPIO/PWM
Controller
GPIO/PWM
Controller
M
U
X
ADC
TSC
ADC
ADC
TSC
TSC
Y-
Y+
X-
X+
Y-
Y+
X-
X+



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