TDA7303TR(2006) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA7303TR Datasheet PDF : 20 Pages
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TDA7303
4
Software specification
Software specification
4.1
Interface Protocol
The interface protocol comprises:
● 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)
4.2
ACK = Acknowledge
S = Start
P = Stop
MAX CLOCK SPEED 100kbits/s
Subaddress (receive mode)
Table 5. Chip address
1
0
0
0
1
0
MSB
Table 6. Data bytes
MSB
LSB
0
0
B2
B1
B0
A2
A1
A0
1
1
0
B1
B0
A2
A1
A0
1
1
1
B1
B0
A2
A1
A0
1
0
0
B1
B0
A2
A1
A0
1
0
1
B1
B0
A2
A1
A0
0
1
0
G1
G0
S2
S1
S0
0
1
1
0
C3
C2
C1
C0
0
1
1
1
C3
C2
C1
C0
Ax = 1.25dB steps; Bx = 10dB steps; Cx = 2dB steps; Gx = 3.75dB steps
0
0
LSB
FUNCTION
Volume control
Speaker ATT LR
Speaker ATT RR
Speaker ATT LF
Speaker ATT RF
Audio switch
Bass control
Treble control
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