TDA7303TR(2006) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
TDA7303TR Datasheet PDF : 20 Pages
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Software specification
TDA7303
4.3
Data bytes (detailed description)
Table 7. Volume
MSB
0
0
B2
B1
B0
A2
0
0
0
0
1
1
1
1
0
0
B2
B1
B0
A2
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
For example a volume of -45dB is given by:
00100100
LSB
FUNCTION
A1
A0 Volume 1.25dB steps
0
0
0
0
1
-1.25
1
0
-2.5
1
1
-3.75
0
0
-5
0
1
-6.25
1
0
-7.5
1
1
-8.75
A1
A0 Volume 10dB steps
0
-10
-20
-30
-40
-50
-60
-70
Table 8. Speaker attenuators
MSB
LSB
1
0
0
B1
B0
A2
A1
A0
1
0
1
B1
B0
A2
A1
A0
1
1
0
B1
B0
A2
A1
A0
1
1
1
B1
B0
A2
A1
A0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
1
1
0
1
1
1
1
1
1
1
FUNCTION
Speaker LF
Speaker RF
Speaker LR
Speaker RR
0
-1.25
-2.5
-3.75
-5
-6.25
-7.5
-8.75
0
-10
-20
-30
Mute
For example attenuation of 25dB on speaker RF is given by: 1 0 1 1 0 1 0 0
16/21
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