TDA7563BPDTR datasheet(22/33 Pages) STMICROELECTRONICS

No de pièce	TDA7563BPDTR

Description	4 x 50W multifunction quad power amplifier with built-in diagnostics feature

PDF	33 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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22 / 33 page

I2C Bus

TDA7563B

22/33

7.2.4

Acknowledge

The transmitter* puts a resistive HIGH level on the SDA line during the acknowledge clock

pulse (see Figure 31). The receiver** the acknowledges has to pull-down (LOW) the SDA

line during the acknowledge clock pulse, so that the SDAline is stable LOW during this clock

pulse.

* Transmitter

–master (

μP) when it writes an address to the TDA7563B

–

slave (TDA7563B) when the

μP reads a data byte from TDA7563B

** Receiver

–

slave (TDA7563B) when the

μP writes an address to the TDA7563B

–

master (µP) when it reads a data byte from TDA7563B

Figure 29. Data validity on the I2C Bus

Figure 30. Timing diagram on the I2C Bus

Figure 31. Acknowledge on the I2C Bus

SDA

SCL

DATA LINE

STABLE, DATA

VALID

CHANGE

DATA

ALLOWED

D99AU1031

SCL

SDA

START

I2CBUS

STOP

D99AU1032

SCL

MSB

23789

SDA

START

ACKNOWLEDGMENT

FROM RECEIVER

D99AU1033

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