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TDA7437N датащи(PDF) 15 Page - STMicroelectronics

номер детали TDA7437N
подробное описание детали  Digitally controlled audio processor
PDF  34 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7437N датащи(HTML) 15 Page - STMicroelectronics

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TDA7437N
Software specification
15/34
4
Software specification
4.1
Interface protocol
The interface protocol comprises of:
●
A start condition (s)
●
A chip address byte, (the LSB bit determines read (=1)/write (=0) transmission)
●
A subaddress byte.
●
A sequence of data (N-bytes + acknowledge)
●
A stop condition (P)
ACK = Acknowledge; S = Start; P = Stop; I = Auto increment; X = Not used
Max clock speed 500kbits/s
ADDRpin open A = 0
ADDRpin close to Vs A = 1
4.2
Auto increment
If bit I in the subaddress byte is set to "1", the autoincrement of the subaddress is enabled.
4.3
Subaddress (receive mode)
Table 5.
Subaddress (receive mode)
CHIP ADDRESS
SUBADDRESS
DATA 1 to DATA n
MSB
LSB
MSB
LSB
MSB
LSB
S
1
00
01
0
A
R/W
ACK
X
X
X
I
A3
A2
A1
A0
ACK
DATA
ACK
P
MSB
LSB
FUNCTION
X
X
X
I
A3
A2
A1
A0
0
0
0
0
Input selector
0
0
0
1
Loudness
00
1
0
Volume
00
1
1
Bass, Treble
0
1
0
0
Speaker attenuator LF
0
1
0
1
Speaker attenuator LR
0
1
1
0
Speaker attenuator RF
0
1
1
1
Speaker Attenuator RR
1
0
0
0
Input gain middle
10
0
1
Mute



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