CXD2027R View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

View to exact match

CXD2027R

DBS Audio Signal Processor

Sony Semiconductor 

External descramble I/F circuit example

COATEC and SkyPort units can be connected simultaneously.

CXD2027Q/R

CXD2027Q/R

DASLC

I2C BUS

register

BITO

BITI

DSLB DATO DATB

DATA

DSLA

BSTMI BSTMO RGND DATI

Unit connection

COATEC unit

DSDO

DATI DATO DASL

SkyPort unit

DSLA

0

DSLB

0

Descramble format

COATEC, SkyPort ∗

0

1

SkyPort

1

0

COATEC

1

1

Internal

∗ The COATEC unit and SkyPort unit can be connected simultaneously.

However, use the I2C bus to set DASLC at high when turning off the COATEC unit power supply.

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