STMPE811_V01 datasheet(7/66 Pages) STMICROELECTRONICS

Part #	STMPE811

Description	S-Touch® advanced resistive touchscreen controller with 8-bit GPIO expander

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STMPE811

Pin configuration and functions

Doc ID 14489 Rev 5

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2

Pin configuration and functions

Figure 2.

STMPE811 pin configuration (top through view)

Table 2.

Pin assignments

Name

Function

1

Y-

Y-/GPIO-7

2

INT

Interrupt output (VCC domain), open drain

3

A0/Data Out

I2C address in Reset, Data out in SPI mode (VCC domain)

4SCLK

I2C/SPI clock (VCC domain)

5SDAT

I2C data/SPI CS (VCC domain)

6VCC

1.8

−3.3 V supply voltage

7

Data in

SPI Data In (VCC domain)

8

IN0

IN0/GPIO-0

9IN1

IN1/GPIO-1/MODE

In RESET state, MODE selects the type of serial interface

"0" - I2C

"1" - SPI

10

GND

Ground

11

IN2

IN2/GPIO-2

12

IN3

IN3/GPIO-3

13

X+

X+/GPIO-4

14

Vio

Supply for touchscreen driver and GPIO

15

Y+

Y+/GPIO-5

16

X-

X-/GPIO-6

16

15

14

13

5

6

7

8

1

2

3

4

12

11

10

9

STMPE811

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