TDA7402 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7402' PDF : 69 Pages View PDF
I2C bus interface
TDA7402
Table 28. Testing Audioprocessor (21)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
Audioprocessor testmode
0 off
1 on
Test-multiplexer
000
Compander log amp. output
001
Compander low pass output
Obsolete Product(s) - Obsolete Product(s) Note:
010
011
100
101
110
111
0
1
0
1
0
1
0
1
Compander DAC output
200kHz oscillator
not allowed
not allowed
NB-hold
internal reference
Compander testmode
off
on
Clock
external
internal
AZ function
off
on
SC-clock
Fast mode
Normal mode
This byte is used for testing or evaluation purposes only and must not set to other values
than "11101110" in the application!
Table 29. Stereo decoder (22)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
0 STD unmuted
1 STD muted
00
01
10
11
IN-gain 11 dB
IN-gain 8.5 dB
IN-gain 6 dB
IN-gain 3.5 dB
0
Input AM pin
1
Input MPX pin
58/69
Share Link: 
