STMPE811_08 Datasheet, PDF (5/54 Pages) STMicroelectronics – 8-bit port expander with advanced touchscreen controller

STMPE811
Pin configuration and functions
2
Pin configuration and functions
Figure 2. STMPE811 pin configuration (top through view)
12 11 10 9
13
8
14
7
STMPE811
15
6
16
5
1234
Table 2.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin assignments
Name
Function
Y-
INT
A0/Data Out
SCLK
SDAT
V_CC
Data in
IN0
Y-/GPIO-7
Interrupt output
I²C address in Reset, Data out in SPI mode
I²C/SPI clock
I²C data/SPI CS
1.8 −3.3 V supply voltage
SPI Data In
IN0/GPIO-0
IN1
GND
IN2
IN1/GPIO-1/MODE
In RESET state, MODE selects the type of serial interface
"0" - I²C
"1" - SPI
Ground
IN2/GPIO-2
IN3
IN3/GPIO-3
X+
X+/GPIO-4
Vio
Supply for touchscreen driver and GPIO
Y+
Y+/GPIO-5
X-
X-/GPIO-6
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