STA027 datasheet(5/44 Pages) STMICROELECTRONICS

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STA027

1 Typical application circuit and block diagram

CD00066274

5/44

Typical application circuit and block diagram

1.1

Block diagram

Figure 1.

Block diagram

1.2

Typical bluetooth wireless audio application

Figure 2.

Transmitter block diagram

Figure 3.

Receiver block diagram

Note:

for Bluetooth chipset please refer to following device: SLTLC2416, STLC2150, STLC2500. For

ADC and DAC solutions please refer to following devices: STW5094, STW5095, TDA7535.

MMDSP

CORE

SBC CODEC

INPUT BUFFER

I2S IN

I/F

BCKI

SDI

LRCKI

RQST

I2C

I/F

I2C

REG BANK

SYSTEM

PLL

OSCK

XTI

XTO

OSC

PCM OUTPUT

BUFFER

AUDIO

PLL

I2S OUT

I/F

SCL

SDA

LRCKO

SDO

BCKO

SDI

I/F

BSI_BCK

BSI_DATA

DREQ

D05AU1615

GPSO

I/F

GPSO_REQ

GPSO_SDO

GPSO_CK

SDO

I/F

BSO_BCK

BSO_DATA

BSO_LRCK

STA027

ADC

MODULE

D05AU1616

ENCODER

S IN

I/F

SDO

I/F

STA027

DAC

D05AU1617

DECODER

S OUT

I/F

SDI

I/F

MODULE

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