STA027 datasheet(6/44 Pages) STMICROELECTRONICS

6 / 44 page

2 Pins description and connection diagram

STA027

6/44

CD00066274

Pins description and connection diagram

2.1

Pin description

Table 1.

pin description

Pin Name

Type

Description

Source/Dest

SDO interface

BSO_LRCK

DSP Interface left/right Clock

From DSP

BSO_BCK

DSP interface serial data

From DSP

BSO_DATA

DSP interface bit clock

From DSP

SDI interface

DREQ

Bitstream data request

To MCU

BSI_LRCK

Bitstream interface left/right Clock

From MCU

BSI_BCK

Bitstream interface clock

From MCU

BSI_DATA

Bitstream interface serial data

From MCU

PCM IN interface

LRCKI

ADC left/right Clock

From ADC

BCKI

ADC bit clock

From ADC

SDI

ADC serial data

From ADC

PCM OUT interface

OSCK

DAC oversampling clock

To DAC/ADC

LRCKO

DAC Interface left/right Clock

To DAC

BCKO

DAC bit clock

To DAC

SDO

DAC serial data

To DAC

GPSO interface

GPSO_SDO

GPSO serial data

To MCU

GPSO_CK

GPSO bit clock

From MCU

GPSO_REQ

GPSO request signal

To MCU

GPIO interface

IODATA0

I/O

GPIODATA0

IODATA1

I/O

GPIODATA1

IODATA2

I/O

GPIODATA2

IODATA3

I/O

GPIODATA3

IODATA4

I/O

GPIODATA4

IODATA5

I/O

GPIODATA5

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