TDA7529_11 datasheet(10/61 Pages) STMICROELECTRONICS

10 / 61 page

Pin description

TDA7529

10/61

Doc ID 13311 Rev 4

FMMIX2dec

FM Mixer de couple

GNDRF1

GND RF1 section

AMAGC1

AMAGC PIN diode driver output

AMMIXdec

AM mixer de couple

AMMIXin

AM mixer input

MIXbiasdec

Mixer bias de coupling

IFAGC1

IFAMP gain control via IFAGC - LSB

IFAGC2

IFAMP gain control via IFAGC - MSB

GP4/VDS

GPIO 4 / VDS input

AMAGC2 /

GP8

AMAGC voltage output / alternative GP8 output

AFHOLD

AF state machine hold output

AFSAMPLE

AF state machine sample output

VCCRF1

Supply RF1 section

VCOdec1

BIAS de couple for VCO

Vtune

VCO tuning voltage

VCOdec2

BIAS de couple for VCO

GNDVCO

VCO Ground

LFLC

Loop filter low current output

LFHC

Loop filter high current output

GNDPLL

PLL Ground

VCCPLL

Supply PLL

GP1

GPIO 1

GNDRO

Ground PLL digital part

XTALI

Reference oscillator input

XTALO

Reference oscillator output

VCCRO

Supply PLL digital part

BUSGND

BUSinterface Ground

Protocol Select

CS/AS

Chip select / Address select

CLK

SPI / I2C clodk

MOSI

SPIdata input / I2C Data

MISO

SPI Data Output

VCCBUS

Supply of BUSinterface

VDDdec

De couple of internal 3.3V (=3,3V + Vbe)

Table 2.

Pin assignment (continued)

Pin #

Pin Name

Description

TDA7529 Datasheet(PDF) 10 Page - STMicroelectronics

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