Datasheet

STMPE811 functional overview STMPE811
6/65 Doc ID 14489 Rev 6
1 STMPE811 functional overview
The STMP811 consists of the following blocks:
● I
2
C and SPI interface
● Analog-to-digital converver (ADC)
● Touchscreen controller (TSC)
● Driver and switch control unit
● Temperature sensor
● GPIO controller
Figure 1. STMPE811 functional block diagram
Switches
and drivers
GND
SCLK/CLK
SDAT/
CS
A
0
/Data out
VCC
INT
ADC , TSC
VREF
Thermal
sense
RC oscillator
Data in
TSC: Touchscreen controller
GPIO
controller
I C / SPI
interface
2
GPIO 0-7
/ADC IN 0-7
/MODE
/REF-, REF+