STA559BW View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STA559BW

5 V, 2 A, 2.1 channel high-efficiency digital audio system Sound Terminal®

STMicroelectronics 

I²C bus specification

STA559BW

5.4.4

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 STA559BW. The master acknowledges each

data byte read and then generates a STOP condition terminating the transfer.

Figure 8. Read mode sequence

CURRENT

ADDRESS

READ

START

RANDOM

ADDRESS

READ

START

SEQUENTIAL

CURRENT

READ

START

SEQUENTIAL

RANDOM

READ

START

ACK

DEV-ADDR

DEV-ADDR

RW

ACK

RW

RW= ACK

HIGH

DEV-ADDR

DEV-ADDR

ACK

RW

NO ACK

DATA

SUB-ADDR

STOP

ACK

DEV-ADDR

ACK

DATA

START

ACK

DATA

RW

ACK

SUB-ADDR

ACK

START

DEV-ADDR

ACK

RW

DATA

DATA

DATA

NO ACK

STOP

NO ACK

STOP

ACK

DATA

ACK

DATA

NO ACK

STOP

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