TDA7303 STMicroelectronics, TDA7303 Datasheet - Page 15

• Manufacturer Part Number: TDA7303
• Description: IC AUDIO PROCESSOR STEREO 28-SOI
• Manufacturer: STMicroelectronics
• Type: Stereo Audior

Specifications of TDA7303

• Applications: Hi-Fi Systems
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7303
4
4.1
4.2
Software specification
Interface protocol
The interface protocol comprises:
●
●
●
●
Figure 23. Interface protocol
ACK = Acknowledge
S = Start
P = Stop
Max. clock speed 400 kbits/s
Subaddress (receive mode)
Table 6.
Table 7.
Ax = 1.25dB steps; Bx = 10dB steps; Cx = 2dB steps; Gx = 3.75dB steps
MSB
MSB
0
1
1
1
1
0
0
0
A start condition (s)
A chip address byte, containing the TDA7303 address (the 8th bit of the byte must be
0).
The TDA7303 must always acknowledge at the end of each transmitted byte.
A sequence of data (N-bytes + acknowledge)
A stop condition (P)
1
0
0
1
1
0
0
1
1
1
Chip address
Data bytes
B2
0
1
0
1
0
1
1
0
G1
B1
B1
B1
B1
B1
0
1
G0
B0
B0
B0
B0
B0
C3
C3
0
C2
C2
A2
A2
A2
A2
A2
S2
1
A1
A1
A1
A1
A1
S1
C1
C1
0
LSB
C0
C0
A0
A0
A0
A0
A0
S0
Software specification
Speaker ATT RR
0
Speaker ATT RF
Speaker ATT LR
Speaker ATT LF
Volume control
Treble control
Audio switch
Bass control
Function
LSB
0
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