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AN246

STMPE801 - Hardware Interface guide

STMicroelectronics 

Pin description of STMPE801

Figure 2. Block diagram of STMPE801

AN2466

GPIO Controller

ADDRESS

CLOCK

DATA

I C 2

P

P

Interface

VCC GND

GPIO

0-7

POR

GPIO 0-7

VIO

INT

RESET_N

2

Pin description of STMPE801

The table below gives a list of all the pins on STMPE801.

Table 1.

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

STMPE801 Pin description

Name

Type

Description

INT

Reset_N

CLOCK

ADDRESS

DATA

VCC

VIO

GND

GPIO_0

GPIO_1

O

Interrupt output (open drain)

I

External reset input, active LOW

A

I2C Serial clock line

I

Digital Input for I2C slave address (either High or Low)

A

I2C Serial data line

-

Supply voltage for I2C block

-

Supply voltage for GPIO controller (Note: VIO must always

be ≥ VCC)

-

GND

IO

GPIO

IO

GPIO

GPIO_2

GPIO_3

GPIO_4

GPIO_5

IO

GPIO

IO

GPIO

IO

GPIO

IO

GPIO

4/13

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