STW5095T datasheet(44/73 Pages) STMICROELECTRONICS

Numer części	STW5095T

Szczegółowy opis	Low-power asynchronous stereo audio Codec with integrated power amplifiers

PDF	73 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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44 / 73 page

STw5095

Control interface and master clock

43/72

Control interface and master clock

6.1

Control interface I2C mode

Figure 5.

Control interface I2C format

Note:

CMOD pin tied to GND

Figure 6.

Control interface: I2C format timing

WRITE

SINGLE BYTE

START

DEVICE ADDRESS

REG n ADDRESS

REG n DATA IN

ACK

STOP

WRITE

MULTI BYTE

START

DEVICE ADDRESS

REG n ADDRESS

REG n DATA IN

ACK

STOP

REG n+m DATA IN

ACK

m+1 data bytes

CURRENT ADDR

START

DEVICE ADDRESS

Current REG DATA OUT

ACK

NO ACK

STOP

READ

SINGLE BYTE

CURRENT ADDR

START

DEVICE ADDRESS

Current REG DATA OUT

ACK

NO ACK

STOP

READ

MULTI BYTE

Curr REG+m DATA OUT

ACK

m+1 data bytes

START

DEVICE ADDRESS

REG n ADDRESS

ACK

START

DEVICE ADDRESS

REG n DATA OUT

ACK

NO ACK

STOP

RANDOM ADDR

READ

SINGLE BYTE

RANDOM ADDR

READ

MULTI BYTE

START

DEVICE ADDRESS

REG n ADDRESS

ACK

START

DEVICE ADDRESS

NO ACK

STOP

REG n+m DATA OUT

ACK

m+1 data bytes

REG n DATA OUT

ACK

001

101AS 1

001

101

AS 1

001

101AS 0

0011

01AS 0

0011

01AS 1

0110

1AS 1

001

101AS 0

001

101AS 0

(STO)

tSU

(STA)

tSU

(STA)

tHD

(DAT)

tSU

tHIGH

tBUF

(DAT)

tHD

tLOW

(STA)

tHD

P=STOP

S = START

Sr = START repeated

SDA

SCLK

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