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TDA7720BTR データシート(PDF) 28 Page - STMicroelectronics

部品番号 TDA7720BTR
部品情報  3 band car audio processor
PDF  42 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7720BTR データシート(HTML) 28 Page - STMicroelectronics

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I2C bus specification
TDA7720B
28/42
DocID024331 Rev 2
5.2.3
Reset condition
A power-on-reset is invoked if the supply voltage is below than 3.5 V. After that the registers
are initialized to the default data written in following tables.
Table 7. Subaddress (receive mode)
MSB
LSB
Function
I2
I1
I0
A4
A3
A2
A1
A0
0
1
--
-
-
-
-
-
Testing mode
Off
On
-
x
--
-
-
--
Not used
--
0
1
--
-
-
-
Auto increment mode
Off
On
--
-
0
0
0
0
0
Main selector
-
-
-
0
0
0
0
1
Output DC level / highpass
--
-
0
0
0
1
0
Not used
--
-
0
0
0
1
1
Not used
-
-
-
0
0
1
0
0
Soft-mute / others
--
-
0
0
1
0
1
Soft-step I
-
-
-
0
0
1
1
0
Soft-step II / DC-detector
-
-
-
0
0
1
1
1
Loudness
-
-
-
0
1
0
0
0
Volume / output gain
--
-
0
1
0
0
1
Treble
--
-
0
1
0
1
0
Middle
--
-
0
1
0
1
1
Bass
-
-
-
0
1
1
0
0
Subwoofer / middle / bass
-
-
-
0
1
1
0
1
Speaker attenuator left front
-
-
-
0
1
1
1
0
Speaker attenuator right front
-
-
-
0
1
1
1
1
Speaker attenuator left rear
-
-
-
1
0
0
0
0
Speaker attenuator right rear
-
-
-
1
0
0
0
1
Subwoofer attenuator left
-
-
-
1
0
0
1
0
Subwoofer attenuator right
-
-
-
1
0
0
1
1
Testing audio processor 1
-
-
-
1
0
1
0
0
Testing audio processor 2
-
-
-
1
0
1
0
1
Testing audio processor 3



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