TDA7563 STMicroelectronics, TDA7563 Datasheet - Page 14

• Manufacturer Part Number: TDA7563
• Description: IC AMP AUDIO 72W AB 27FLEXIWATT
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7563

• Output Type: 4-Channel (Quad)
• Max Output Power X Channels @ Load: 72W x 4 @ 2 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: I²C, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 27-Flexiwatt (bent and staggered leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2183-5

TDA7563
I
Data transmission from microprocessor to the TDA7563 and viceversa takes place through the 2 wires I
face, consisting of the two lines SDA and SCL (pull-up resistors to positive supply voltage must be connected).
Data Validity
As shown by fig. 22, the data on the SDA line must be stable during the high period of the clock. The HIGH and
LOW state of the data line can only change when the clock signal on the SCL line is LOW.
Start and Stop Conditions
As shown by fig. 23 a start condition is a HIGH to LOW transition of the SDA line while SCL is HIGH. The stop
condition is a LOW to HIGH transition of the SDA line while SCL is HIGH.
Byte Format
Every byte transferred to the SDA line must contain 8 bits. Each byte must be followed by an acknowledge bit.
The MSB is transferred first.
Acknowledge
The transmitter* puts a resistive HIGH level on the SDA line during the acknowledge clock pulse (see fig. 24).
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
** Receiver
Figure 22. Data Validity on the I
Figure 23. Timing Diagram on the I
Figure 24. Acknowledge on the I
14/20
2
C BUS INTERFACE
– master ( P) when it writes an address to the TDA7563
– slave (TDA7563) when the P reads a data byte from TDA7563
– slave (TDA7563) when the P writes an address to the TDA7563
– master ( P) when it reads a data byte from TDA7563
SDA
SCL
SDA
SCL
SDA
SCL
START
START
MSB
STABLE, DATA
1
2
DATA LINE
CBUS
2
VALID
CBUS
2
CBUS
2
D99AU1033
D99AU1032
ALLOWED
CHANGE
DATA
3
7
8
ACKNOWLEDGMENT
FROM RECEIVER
STOP
D99AU1031
I
2
CBUS
9
2
C BUS inter-