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STMPE811 Fiches technique(PDF) 7 Page - STMicroelectronics

No de pièce STMPE811
Description  8-bit port expander with advanced touchscreen controller
PDF  54 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE811 Fiches technique(HTML) 7 Page - STMicroelectronics

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STMPE811
I2C and SPI interface
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3
I2C and SPI interface
3.1
Interface selection
The STMPE811 interfaces with the host CPU via a I2C or SPI interface. The pin IN_1 allows
the selection of interface protocol at reset state.
Figure 3.
STMPE811 interface
Table 4.
Interface selection pins
Pin
I2C function
SPI function
Reset state
3
Address 0
Data out
CPHA for SPI
4CLOCK
CLOCK
5
SDATA
CS
CPOL_N for SPI
7
−
Data in
9MODE
I2C set to ‘0’
Set to ‘1’ for SPI
SPI I/F
module
I C I/F
module
DIN
DOUT
CLK
CS
SDAT
SCLK
A0
MUX
unit
2



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