TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 46

• Manufacturer Part Number: TDA7540B
• Manufacturer: STMicroelectronics

Specifications of TDA7540B

• Case: TQFP
• Dc: 06+
• Lead Free Status / Rohs Status: Compliant

DOCUMENT CD00108485
Copyright STMicroelectronics
Software specification
42/75
REVISION 1.0
Table 10.
Register Name
TVMODE
TINACM
SMODE
SMCTH
STDON
STVCO
TFCKL
STING
TINMP
VCOM
WAGC
SMTH
STDM
TINAC
TVWB
VCOD
VHCH
XTLIM
SMSL
TMSA
SSTH
TDEV
TOUT
VHCL
TEST
XTAL
SMD
SMO
TISS
TST
TVO
TIN
SL
Control register function (continued)
Function
S meter slider
Two mode switching output
Softmute capacitor threshold for ISS “ON”
Softmute depth threshold
Softmute reference voltage offset
S meter slope
Softmute startpoint threshold
Unweighted fieldstrenght threshold for seek stop
Stereodecoder on/off if muted
Stereodecoder mute enable
Stereodecoder ingain
Stereodecoder VCO adjust
Time constant for deviation detector
Testing PLL/IFC (only for testing)
Fast clock for testing audioprocessor
Switch FSU PIN to TEST input (only for testing)
Test input adjacent channel (only for testing)
Test input adjacent channel mute (only for testing)
Test input multipath(only for testing)
Time constant for ISS filter “ON”/”OFF”
Test mode stereodecoder and audioprocessor
Switch FSU PIN to Test output (only for testing)
Test stereodecoder enable
Tuning voltage offset mode
Tuning voltage offset for prestage
Tuning voltage offset for prestage (weather band mode)
VCO divider
Stereodecoder VCO mode
Start level high cut
Stop level high cut
AM wide band AGC
Xtal frequency adjust
Xtal amplitude limitation
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DATE 11-May-2006
TDA7540B
page: 42/75