STMPE610 datasheet(8/56 Pages) STMICROELECTRONICS

Nome de Peças	STMPE610

Descrição Electrónicos	S-Touch?? advanced touchscreen controller with 6-bit port expander

PDF	56 Pages

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I2C interface

STMPE610

8/56

Doc ID 15432 Rev 3

I2C interface

The addressing scheme of STMPE610 is designed to allow up to 2 devices to be connected

to the same I2C bus.

Figure 4.

STMPE610 I2C interface

For the bus master to communicate to the slave device, the bus master must initiate a Start

condition and be followed by the slave device address. Accompanying the slave device

adress, is a read/write bit (R/W). The bit is set to 1 for read and 0 for write operation. If a

match occurs on the slave device address, the corresponding device gives an acknowledge

on the SDA during the 9th bit time. If there is no match, it deselects itself from the bus by not

responding to the transaction.

Figure 5.

I2C timing diagram

Table 6.

I2C address

ADDR0

Address

00 x 82

10 x 88

ADDR0

SCLK

SDAT

SCLK

SDAT

GND

VCC

STMPE610

AM00753V

AI00589

SDA

tSU:STO

tSU:STA

tHD:STA

SCL

tSU:DAT

tHD:DAT

tHIGH

tLOW

tHD:STA

tBUF

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