TDA7303 Datasheet, PDF (14/20 Pages) STMicroelectronics – Digital controlled stereo audio processor with loudness

I2C bus interface
Figure 20. Data validity on the I²C bus
SDA
SCL
DATA LINE
STABLE, DATA
VALID
CHANGE
DATA
ALLOWED
Figure 21. Timing diagram of S-bus and I²C bus
SCL
SDA
START
D99AU1032
Figure 22. Acknowledge on the I²C bus
SCL
1
2
3
7
SDA
START
MSB
D99AU1033
TDA7303
D99AU1031
I²CBUS
STOP
8
9
ACKNOWLEDGMENT
FROM RECEIVER
14/21
Patent note:
Purchase of I²C Components of STMicrolectronics,
conveys a license under the Philips I²C Patent Rights to
use these components in an I²C system, provided that the
system conforms to the I²C Standard Specifications as
defined by Philips.