Mds-nt1 – Sony MDS-NT1 User Manual
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MDS-NT1
•
BD BOARD IC201 CXD2664R
Pin No.
Pin Name
I/O
Description
1
MNT0 (FOK)
O
Focus OK signal output terminal “H” is output when focus is on (“L”: NG) Not used
2
MNT1 (SHCK)
O
Track jump detection signal output to the system controller
3
MNT2 (XBUSY)
O
Busy monitor signal output to the system controller
4
MNT3 (SLOC)
O
Spindle servo lock status monitor signal output terminal Not used
5
VDC0
—
Power supply terminal (+2.5V) (for core)
6
SWDT
I
Writing serial data signal input from the system controller
7
SCLK
I
Serial data transfer clock signal input from the system controller
8
XLAT
I
Serial data latch pulse signal input from the system controller
9
VSC0
—
Ground terminal (for core)
10
SRDT
O
Reading serial data signal output to the system controller
11
SENS
O
Internal status (SENSE) output to the system controller
12
XRST
I
Reset signal input from the system controller “L”: reset
13
SQSY
O
Subcode Q sync (SCOR) output to the system controller
“L” is output every 13.3 msec Almost all, “H” is output
14
DQSY
O
Digital In U-bit CD format subcode Q sync (SCOR) output to the system controller
“L” is output every 13.3 msec Almost all, “H” is output
15
RPWR
I
Laser power selection signal input from the system controller
“L”: playback mode, “H”: recording mode
16
XINT
O
Interrupt status output to the system controller
17
TX
O
Magnetic head on/off signal output to the over write head drive
18
VDIO0
—
Power supply terminal (+3.3V) (for I/O)
19
OSCI
I
System clock signal input terminal Not used
20
OSCO
I
System clock signal (2048Fs=90.3168 MHz) input terminal
21
OSCN
I
Control terminal for inverter and feedback resistor of internal oscillator circuit
“L”: OSCO (pin w;) is output terminal, “H”: OSCO (pin w;) is input terminal
(fixed at “H” in this set)
22
VSIO0
—
Ground terminal (for I/O)
23
XTSL
I
Input terminal for the system clock frequency setting
“L”: 180.6336 MHz, “H”: 90.3168 MHz (fixed at “H” in this set)
24
DIN0
I
Digital audio signal input terminal when recording mode Not used
25
DIN1
I
Digital audio signal input terminal when recording mode
26
DOUT
O
Digital audio signal output terminal when playback mode Not used
27
DATAI
I
Recording data input from the USB interface
28
LRCKI
I
L/R sampling clock signal (44.1 kHz) input from the USB interface
29
XBCKI
I
Bit clock signal (2.8224 MHz) input from the USB interface
30
VDC1
—
Power supply terminal (+2.5V) (for core)
31
VSC1
—
Ground terminal (for core)
32
ADDT
I
Recording data input terminal Not used
33
DADT
O
Playback data output to the D/A converter
34
LRCK
O
L/R sampling clock signal (44.1 kHz) output to the D/A converter
35
XBCK
O
Bit clock signal (2.8224 MHz) output to the D/A converter
36
FS256
O
Clock signal (11.2896 MHz) output to the D/A converter
37
XWE
O
Write enable signal output to the D-RAM “L” active
38
XOE
O
Output enable signal output to the D-RAM “L” active
39
DRVDD0
—
Power supply terminal (+3.3V) (for D-RAM interface)
40
DRVSS0
—
Ground terminal (for D-RAM interface)
(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER)