STA330 datasheet(32/55 Pages) STMICROELECTRONICS

Part #	STA330

Description	2.0 digital audio processor with FFX digital modulator and analog and digital inputs

PDF	55 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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32 / 55 page

I2C interface

STA330

32/55

9.7.4

Random address multi-byte read

The multi-byte read modes could start from any internal address. Sequential data bytes are

read from sequential addresses within the STA330. The master acknowledges each data

byte read and then generates a stop condition terminating the transfer.

Figure 18.

I2C write operations

Figure 19.

I2C read operations

R/W

Multibyte

Stop

Start

Sub address

Data in

ACK

Dev address

Write

R/W

Byte

Stop

Start

Sub address

Data in

ACK

Dev address

Write

R/W

Random

Stop

Start

Sub address

Start

Data

ACK

No ACK

Dev address

address

R/W

Current

Stop

Start

Data

ACK

No ACK

Dev address

address

read

Dev address

R/W

read

Sequential

Stop

Start

Data

ACK

No ACK

Dev address

current

Data

read

R/W=High

R/W

Sequential

Start

Sub address

Start

Data

ACK

Dev address

random

Dev address

R/W

read

Stop

Data

ACK

No ACK

Data

STA330 Datasheet(PDF) 32 Page - STMicroelectronics

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