TDA7512FTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7512FTR

FM car-radio tuner IC with intelligent selectivity system (ISS)

STMicroelectronics 

TDA7512F

Software specification

Table 7. Control register function (continued)

Register Name

Function

SMSL

S meter slope

SMTH

Softmute startpoint threshold

TDEV

TEST

Time constant for deviation detector

Testing PLL/IFC (only for testing)

TIN

Switch FSU PIN to TEST input (only for testing)

TINAC

Test input adjacent channel (only for testing)

TINACM

Test input adjacent channel mute (only for testing)

TINMP

TISS

Test input multipath(only for testing)

Time constant for ISS filter “ON”/”OFF”

TOUT

Switch FSU PIN to Test output (only for testing)

TVO

Tuning voltage offset for prestage

TVWB

Tuning voltage offset for prestage (weather band mode)

VCOD

XTAL

VCO divider

Xtal frequency adjust

Table 8. Subaddress

MSB

-

-

LSB

I A4 A3 A2 A1 A0

Function

-

-

-

0

0

0

0

0 Charge pump control

-

-

-

0

0

0

0

1 PLL lock detector

-

-

-

-

-

-

-

--

-

-

-

1

0

1

0

1 I/Q ADJ

-

-

0

-

-

-

-

- Page mode “OFF”

-

-

1

-

-

-

-

- Page mode enable

5.3

Data byte specification

Table 9. Addr 0 charge pump control

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

Function

-

-

-

-

0

0

0

0 High current = 0 mA

-

-

-

-

0

0

0

1 High current = 0.5 mA

-

-

-

-

0

0

1

0 High current = 1 mA

-

-

-

-

0

0

1

1 High current = 1.5 mA

-

-

-

-

-

-

-

--

Doc ID 12668 Rev 2

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