TDA7439D ST Microelectronics, TDA7439D Datasheet - Page 13

• Manufacturer Part Number: TDA7439D
• Description: THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR
• Manufacturer: ST Microelectronics

DATA BYTES (continued)
TREBLE SELECTION
SPEAKER ATTENUATE SELECTION
SPEAKER ATTENUATION = 0 to -79dB/MUTE
MSB
MSB
D7
D7
D6
D6
0
0
0
0
0
0
0
0
1
1
1
D5
D5
0
0
0
0
1
1
1
1
0
0
1
D4
D4
0
0
1
1
0
0
1
1
0
0
1
D3
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
0
1
0
1
0
1
0
1
1
D2
D2
X
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
D1
D1
X
0
0
1
1
0
0
1
1
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
1
LSB
LSB
D0
D0
X
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
SPEAKER ATTENUATION
2dB STEPS
TREBLE
MUTE
-14dB
-12dB
-10dB
-16dB
-24dB
-32dB
-40dB
-48dB
-56dB
-64dB
-72dB
10dB
12dB
14dB
-8dB
-6dB
-4dB
-2dB
-1dB
-2dB
-3dB
-4dB
-5dB
-6dB
-7dB
-8dB
1dB
0dB
0dB
2dB
4dB
6dB
8dB
0dB
0dB
TDA7439
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