CXD2027Q View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXD2027Q

DBS Audio Signal Processor

Sony Semiconductor 

Pin Description 1

CXD2027Q (64pin QFP)

Pin

No.

Symbol

I/O

Pin Description

1 TST0

2 MRST

3 VSS Digital

4 BITO

5 BITI

I Test pin; normally low

I Master reset; H: normal operation; L: reset

— Digital ground

O Bit stream output after PSK demodulation

I Bit stream input after PSK demodulation

6 DSLB

7 DSLA

8 DATB

9 DATA

10 VDD Digital

11 CK2M

12 FRAM

I External descrambler pin

I External descrambler pin

I Data input 2 after BCH correction (for COATEC)

I Data input 1 after BCH correction (for SkyPort)

— Digital +5V power supply

O 2.048MHz clock output

O Frame start bit flag

13 DATO

14 CC1

15 TX

16 TST2

17 TST3

18 TST4

19 TST5

O Data output after BCH correction

O Control sign first bit output

O Digital format audio output

I Test pin; normally low

I Test pin; normally low

I Test pin; normally low

I Test pin; normally high

20 VSS Digital

21 VSS D/A

22 LNO

23 VDD D/A

24 LPO

25 VSS D/A

26 TST1

— Digital ground

— Analog ground

O Lch D/A converter output

— Analog +5V power supply

O Lch D/A converter output

— Analog ground

I Test pin; normally low

27 VSS D/A

28 RPO

29 VDD D/A

30 RNO

31 VSS D/A

32 VSS Digital

33 SASL

— Analog ground

O Rch D/A converter output

— Analog +5V power supply

O Rch D/A converter output

— Analog ground

— Digital ground

I I2C bus slave address select (L: D4, H: D6)

34 TST6

I Test pin; normally low

–5–

CXD2027Q/R

Remarks

Internal pull down

Internal pull up

TTL input

TTL input

TTL input

TTL input

TTL input

Internal pull down

Internal pull down

Internal pull down

Internal pull down

Internal pull down

Internal pull down

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