•IC121 Digital Signal Processor, Digital Servo Signal Processor, EFM/ACIRC Encoder/Decoder, Shock-proof Memory Controller, ATRAC Encoder/Decoder, 2M Bit DRAM (CXD2650R or CXD2652AR)

Pin No.

Pin Name

I/O

 

 

 

 

Function

 

 

 

 

 

1

MNT0 (FOK)

O

 

FOK signal output to the system control

 

“H” is output when focus is on

 

 

 

 

 

 

 

 

 

 

 

2

MNT1 (SHCK)

O

 

Track jump detection signal output to the system control

 

 

 

 

 

3

MNT2 (XBUSY)

O

 

Monitor 2 output to the system control

 

 

 

 

 

4

MNT3 (SLOC)

O

 

Monitor 3 output to the system control

 

 

 

 

 

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 subcode Q sync (SCOR) output to the system control

 

“L” is output every 13.3 msec

Almost all, “H” is output

 

 

 

 

 

 

 

 

 

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

DVDD

—

 

+3V power supply (Digital)

 

 

 

 

 

 

 

20

DVSS

—

 

Ground (Digital)

 

 

 

 

 

 

21

DIN

I

 

Digital audio input (Optical input)

 

 

 

 

 

22

DOUT

O

 

Digital audio output (Optical output)

 

 

 

 

 

23

ADDT

I

 

Data input from the A/D converter

 

 

 

 

 

24

DADT

O

 

Data output to the D/A converter

 

 

 

 

 

25

LRCK

O

 

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

 

 

 

 

 

26

XBCK

O

 

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

 

 

 

 

 

27

FS256

O

 

11.2896 MHz clock output (Not used)

 

 

 

 

 

 

28

DVDD

—

 

+3V power supply (Digital)

 

 

 

 

 

 

 

 

 

29 to 32

A03 to A00

O

 

 

 

 

 

 

 

 

 

 

 

 

 

33

A10

O

 

DRAM address output (Used : CXD2652AR, Not used : CXD2650R)

 

 

 

 

34 to 38

A04 to A08

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

39

A11

O

 

 

 

 

 

 

 

 

 

 

 

40

DVSS

—

 

Ground (Digital)

 

 

 

 

 

 

41

XOE

O

 

Output enable output for DRAM (Used : CXD2652AR, Not used : CXD2650R)

 

 

 

 

 

 

 

42

XCAS

O

 

 

 

signal output for DRAM (Used : CXD2652AR, Not used : CXD2650R)

 

CAS

 

 

 

 

 

43

A09

O

 

Address output for DRAM (Used : CXD2652AR, Not used : CXD2650R)

 

 

 

 

 

 

44

XRAS

O

 

 

 

signal output for DRAM (Used : CXD2652AR, Not used : CXD2650R)

 

RAS

 

 

 

 

 

45

XWE

O

 

Write enable signal output for DRAM (Used : CXD2652AR, Not used : CXD2650R)

* 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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Image 39
Sony MDS-JD320 MNT0 FOK, MNT1 Shck, MNT2 Xbusy, MNT3 Sloc, Srdt, Sens, Xrst, Sqsy, Dqsy, Recp, Xint, Osci, Osco, Xtsl, Din
Page 38 Page 40

MDS-JD320 specifications

The Sony MDS-JD320 is a MiniDisc recorder that exemplifies the cutting-edge technology of the late 1990s and early 2000s. Designed for both amateur and professional audiophiles, it delivers superior sound quality and an array of features that enhance user experience and functionality. Key to its appeal is its remarkable sound reproduction capabilities, which are achieved through Sony's proprietary technologies, including the ATRAC (Adaptive Transform Acoustic Coding) compression format. This format allows for efficient audio storage without sacrificing sound fidelity, ensuring that each recording is as rich and dynamic as the original source.

One of the standout features of the MDS-JD320 is its ability to create, edit, and playback CDs and MiniDiscs with remarkable ease. Thanks to its digital optical input and output, users can connect the device to various audio sources, such as CD players or mixing boards, to make high-quality recordings. The device supports various recording modes, including long play, which enables users to extend their recording time without significant compromise on audio quality.

The MDS-JD320 also boasts a user-friendly interface, which includes an LCD display that conveniently shows essential information such as track numbers, remaining time, and recording mode. Furthermore, an intuitive remote control offers added convenience, allowing users to navigate through their music collections without having to physically interact with the device.

In terms of connectivity, the MDS-JD320 features not only digital inputs and outputs but also analog connections, making it versatile for various setups. Additionally, the device includes extensive editing features, such as track splitting, combining, and renaming, empowering users to customize their recordings easily.

Moreover, the MDS-JD320's compact design fits seamlessly into any audio setup, making it an attractive choice for both home recording enthusiasts and professionals. Its durable build quality ensures longevity, while its performance continues to impress even in today's digital audio landscape.

With its powerful combination of advanced technologies, ease of use, and high-quality audio performance, the Sony MDS-JD320 remains a sought-after component for collectors and audiophiles alike, representing an enduring legacy in the field of portable digital media solutions.
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