• IC151 CXD2662R Digital Signal Processor, Digital Servo Signal Processor (BD BOARD)

Pin No.

Pin Name

I/O

 

 

 

 

Function

 

 

 

 

 

 

 

 

1

MNT0 (FOK)

O

 

FOK signal output to the system control (monitor output)

 

“H” is output when focus is on

 

 

 

 

 

 

 

 

 

 

 

 

2

MNT1 (SHCK)

O

 

Track jump detection signal output to the system control (monitor output)

 

 

 

 

 

 

 

 

3

MNT2 (XBUSY)

O

 

Monitor 2 output to the system control (monitor output)

 

 

 

 

 

 

 

 

4

MNT3 (SLOC)

O

 

Monitor 3 output to the system control (monitor output)

 

 

 

 

 

 

 

 

5

SWDT

I

 

Writing data signal input from the system control

 

 

 

 

 

 

 

 

6

SCLK

I (S)

 

Serial clock signal input from the system control

 

 

 

 

 

 

 

 

7

XLAT

I (S)

 

Serial latch signal input from the system control

 

 

 

 

 

 

 

 

8

SRDT

O (3)

 

Reading data signal output to the system control

 

 

 

 

 

 

 

 

9

SENS

O (3)

 

Internal status (SENSE) output to the system control

 

 

 

 

 

 

 

 

10

XRST

I (S)

 

Reset signal input from the system control “L”: Reset

 

 

 

 

 

 

 

 

11

SQSY

O

 

Subcode Q sync (SCOR) output to the system control

 

“L” is output every 13.3 msec. Almost all, “H” is output

 

 

 

 

 

 

 

 

 

 

 

 

12

DQSY

O

 

Digital In U-bit CD format or MD format subcode Q sync (SCOR) output to the system

 

control

 

 

 

 

 

 

 

 

 

 

 

 

13

RECP

I

 

Laser power switching input from the system control “H”: Recording, “L”: Playback

 

 

 

 

 

 

 

 

14

XINT

O

 

Interrupt status output to the system control

 

 

 

 

 

 

 

 

15

TX

I

 

Recording data output enable input from the system control

 

 

 

 

 

 

 

 

16

OSCI

I

 

System clock input (512Fs=22.5792 MHz)

 

 

 

 

 

 

 

 

17

OSCO

O

 

System clock output (512Fs=22.5792 MHz) (Not used)

 

 

 

 

 

 

 

 

18

XTSL

I

 

System clock frequency setting “L”: 45.1584 MHz, “H”: 22.5792 MHz (Fixed at “H”)

 

 

 

 

 

 

 

 

19

DIN0

I

 

Digital audio input (Optical input)

 

 

 

 

 

 

 

 

20

DIN1

I

 

Digital audio input (Optical input)

 

 

 

 

 

 

 

 

21

DOUT

O

 

Digital audio output (Optical output)

 

 

 

 

 

 

 

 

22

DADTI

I

 

Serial data input

23

LRCKI

I

 

LR clock input “H” : Lch, “L” : R ch

 

 

 

 

 

 

 

 

24

XBCKI

I

 

Serial data clock input

 

 

 

 

 

25

ADDT

I

 

Data input from the A/D converter

 

 

 

 

 

 

 

 

26

DADT

O

 

Data output to the D/A converter

 

 

 

 

 

 

 

 

27

LRCK

O

 

LR clock output for the A/D and D/A converter (44.1 kHz)

 

 

 

 

 

 

 

 

28

XBCK

O

 

Bit clock output to the A/D and D/A converter (2.8224 MHz)

 

 

 

 

 

 

 

 

29

FS256

O

 

11.2896 MHz clock output (Not used)

 

 

 

 

 

30

DVDD

 

+3V power supply (Digital)

 

 

 

 

 

31 to 34

A03 to A00

O

 

DRAM address output

35

A10

O

 

DRAM address output (Not used)

 

 

 

 

 

 

 

 

36 to 40

A04 to A08

O

 

DRAM address output

 

 

 

 

 

 

 

 

41

A11

O

 

DRAM address output (Not used)

 

 

 

 

 

 

 

 

42

DVSS

 

Ground (Digital)

43

XOE

O

 

Output enable output for DRAM

 

XCAS

 

 

 

44

O

 

 

CAS

signal output for DRAM

45

A09

O

 

Address output for DRAM

 

 

 

 

 

 

 

 

46

XRAS

O

 

 

 

 

signal output for DRAM

 

RAS

 

 

 

 

 

47

XWE

O

 

Write enable signal output for DRAM

 

 

 

 

 

 

 

 

48

D1

I/O

 

 

 

 

 

 

 

 

 

Data input/output for DRAM

49

D0

I/O

 

50, 51

D2, D3

I/O

 

 

 

 

 

 

 

 

 

 

 

 

 

* I (S) stands for Schmidt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O

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