TDA7406T Datasheet, PDF (46/49 Pages) STMicroelectronics – CAR RADIO SIGNAL PROCESSOR

TDA7406T
Table 25. Stereodecoder Configuration (30)
MSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
LSB
D₀
FUNCTION
Multipath Influence on High-Cut
0 On
1
Off
Multipath Influence on Stereo-Blend
0
On
1
Off
0
1
1
x
Level-Input over Multipath-Detector¹
1
On
x
Off
Dual MPX Mode
0
On
1
Off
1
1
1
1
must be “1”
1 _{Using the Multipath Time-Constants for Stereo-Bland and High-Cut}
Table 26. Testing Stereodecoder(31)
MSB
D₇
D₆
D₅
D₄
D₃
D₂
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
0
1
1
LSB
D₁ D₀
FUNCTION
Main Testmode
0 off
1 on
Stereodecoder Testmode
0
off
1
on
Test signals
F228
NB threshold
Level for Stereo-Blend
Pilot magnitude
VHCCL
Pilot threshold
VHCCH
REF5V
HOLDN
NB Peak
AM-Rectifier
VCOCON; VCO Control Voltage
VSBL
Pilot threshold
Level for High-Cut
REF5V
Audioprocessor Oscillator
Off
On
must be “1”
Note: This byte is used for testing or evaluation purposes only and must not be set to other values than
“11111100” in the application!
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