CXD2587 Ver la hoja de datos (PDF) - Sony Semiconductor

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Fabricante

CXD2587

CD Digital Signal Processor with Built-in Digital Servo and DAC

Sony Semiconductor 

CXD2587Q

Pin Description

Pin

No.

Symbol

I/O

Output

values

Description

1 SQSO O 1, 0 Sub Q 80-bit, PCM peak and level data outputs. CD TEXT data output.

2 SQCK

I

SQSO readout clock input.

3 XRST

I

System reset. Reset when low.

4 SYSM

I

Mute input. Muted when high.

5 DATA

I

Serial data input from CPU.

6 XLAT

I

Latch input from CPU. Serial data is latched at the falling edge.

7 CLOK

I

Serial data transfer clock input from CPU.

8 SENS

O 1, 0 SENS output to CPU.

9 SCLK

I

SENS serial data readout clock input.

10 VDD

— — Digital power supply.

11 ATSK I/O 1, 0 Anti-shock input/output.

12 SPOA

I

Microcomputer extension interface (input A)

13 SPOB

I

Microcomputer extension interface (input B)

14 XLON

O 1, 0 Microcomputer extension interface (output)

15 WFCK O 1, 0 WFCK output.

16 XUGF O 1, 0 XUGF output. MINT1 or RFCK is output by switching with the command.

17 XPCK

O 1, 0 XPCK output. MNT0 is output by switching with the command.

18 GFS

O 1, 0 GFS output. MNT3 or XROF is output by switching with the command.

19 C2PO

O 1, 0 C2PO output. GTOP is output by switching with the command.

20 SCOR O 1, 0 Outputs a high signal when either subcode sync S0 or S1 is detected.

21 COUT I/O 1, 0 Track count signal input/output.

22 MIRR I/O 1, 0 Mirror signal input/output.

23 DFCT I/O 1, 0 Defect signal input/output.

24 FOK

I/O 1, 0 Focus OK signal input/output.

25 LOCK

I/O

1, 0

GFS is sampled at 460Hz; when GFS is high, this pin outputs a high signal. If GFS

is low eight consecutive samples, this pin outputs low. Or input when LKIN = 1.

26 MDP

O 1, Z, 0 Spindle motor servo control output.

27 SSTP

I

Disc innermost track detection signal input.

28 SFDR

O 1, 0 Sled drive output.

29 SRDR O 1, 0 Sled drive output.

30 TFDR

O 1, 0 Tracking drive output.

31 TRDR O 1, 0 Tracking drive output.

32 FFDR

O 1, 0 Focus drive output.

33 FRDR O 1, 0 Focus drive output.

34 VSS

— — Digital GND.

35 TEST

I

Test pin. Normally, GND.

–4–

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