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TDA7437N Datasheet(PDF) 16 Page - STMicroelectronics

Part # TDA7437N
Description  Digitally controlled audio processor
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7437N Datasheet(HTML) 16 Page - STMicroelectronics

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Software specification
TDA7437N
16/34
4.4
Transmitted data
P
= Pause (Active low)
ZM = Zero crossing muted (HIGH active)
SM = Soft mute activated (HIGH active)
X = Not used
The transmitted data is automatically updated after each ACK.
Transmission can be repeated without new chipaddress.
4.5
Data byte specification
Table 6.
Send mode
MSB
LSB
XX
XX
X
SM
ZM
P
Table 7.
Data byte specification
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
1
0
0
0
Differential
100
1
Stereo 1
101
0
Stereo 2
101
1
Stereo 3
110
0
Stereo 4
110
1
Mono
XXXX
0
XXX
DC connect (1)
1.
Selected when using a 3 wire differential source (pins 5 and 13 shorted)
0
0
Half-diff 0dB (2)
2.
Selected when using a 4 wire differential source
0
1
Half-diff -6dB (2)
1
0
Full-diff 0dB (3)
3.
OUTR-INR (OUTL-INR) short circuited internally (no need for external connection
1
1
Full-diff -6dB (3)
Table 8.
Loudness
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
Loudness step
00000
0
0dB
00000
1
1dB
00001
0
2dB
00001
1
3dB



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