TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 44

• 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
40/75
REVISION 1.0
Table 10.
Register Name
FMSEEK
MAXHC
MPBPG
MPOFF
DESFT
LDENA
MPION
ISSON
MPRG
DWTH
F100K
HCON
IFAGC
IFENA
MENA
MPCC
MPPC
ISS30
ISS80
KAGC
MPAC
ISSIN
IFCM
MPG
DNB
DTH
IF1T
IF2T
MPF
LPF
EW
IFG
IFS
LM
LG
Control register function (continued)
Function
Stereodecoder deemphasis shift
Demodulator spike blanking threshold
Deviation detector threshold for ISS filter “OFF”
Deviation detector threshold for ISS filter narrow/wide
Frequency error window IF counter
Corner frequency of AC-mute high pass filter
ISS time constant change in FM seek mode
High cut enable
FM/AM mixer1 tank adjust
AM mixer2 tank adjust
FM IF AGC
IF counter mode
IF counter enable
IF1 amplifier gain (10.7MHz)
IF counter sampling time
Test input for ISS filter
ISS filter “ON”
ISS filter 30KHz weather band
ISS filter narrow/mid switch
FM keying AGC
Lock detector enable
Level gain adjust in stereodecoder
Local mode FM seek stop
Loop filter input select
Maximum high cut
Softmute enable
Adjacent channel control by multipath
Multipath detector charge current
Multipath detector bandpass filter gain
Multipath filter frequency
Multipath filter gain
Multipath internal influence enable
Multipath control “OFF”
Multipath influence on peak discharge current
Multipath detector rectifier gain
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DATE 11-May-2006
TDA7540B
page: 40/75