TDA7546 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7546

Multichip module for TMC tuner applications

STMicroelectronics 

Software specifications

Table 10. Control register function (continued)

Register Name

Function

DWTH

Deviation detector threshold for ISS filter narrow/wide

EW

Frequency error window IF counter

F100K

G

Corner frequency of AC-mute high pass filter

I/Q mixer gain adjust

IF1T

Miixer1 tank adjust

IFAGC

IF AGC

IFENA

IF counter enable

IFG

IF1 amplifier gain (10.7MHz)

IFS

IF counter sampling time

ISSIN

Test input for ISS filter

ISSON

ISS filter “ON”

ISS30

ISS filter 30KHz weather band

ISS80

KAGC

ISS filter narrow/mid switch

Keying AGC

LDENA

Lock detector enable

LM

Local mode seek stop

MENA

MPAC

Softmute enable

Adjacent channel control by multipath

MPF

Multipath filter frequency

MPG

Multipath filter gain

MPOFF

Multipath control “OFF”

MPTH

ODCUR

Multipath threshold

Current for overdeviation-correction

ODSW

Overdeviation-correction enable

OUT

Test output (only for testing)

PC

Counter for PLL (VCO frequency)

PH

I/Q mixer phase adjust

RC

Reference counter PLL

RFAGC

RF AGC

SL

S meter slider

SMCTH

SMD

Softmute capacitor threshold for ISS “ON”

Softmute depth threshold

SMSL

S meter slope

SMTH

Softmute startpoint threshold

TDEV

Time constant for deviation detector

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TDA7546

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