TDA7706 datasheet(7/16 Pages) STMICROELECTRONICS

7 / 16 page

TDA7706

Block diagram and pin description

Doc ID 022898 Rev 3

7/16

GPIO8

In/Out

HD Radio

connectivity/

Audio output

I2S interface

SAI clk

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO7

In/Out

Audio SAI word-select

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO6

In/Out

Audio SAI data-output

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO5

In/Out

Audio SAI data-input

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO4

In/Out

SAI Base-Band clock

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO3

In/Out

SAI Base-Band word-select

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO2

Out

SAI Base-Band I data

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO1

Out

SAI Base-Band Q data

Pull-down 50 k

 to ground,

SINE_3V3_LIN pad

GPIO0

HD blend

Pull-down 50 k

 to ground

GND1V2

DSP core ground

VDD core 1V2

DSP core 1.2V supply

Test

Test Mode

Pull-down 50 k

 to ground

VDDPLL1V2

Digital PLL 1.2 V supply

VDDIO1V2

Internal inter-IC communication

1.2V supply

VCC-REF

Front-end reference frequency and

regulator 5 V supply

Table 2.

Pin description (continued)

Pin name

I/O

Function

Description

Equivalent circuit

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