53
MDS-JE480
1
FLDT
O
Serial data output to the display driver
2
FLCK
O
Serial clock signal output to the display driver. L: Active
3
A1-IN
I
A1 Control input (Not used) (Open)
4
SIRCS
I
Remote control input
5 - 7
NC
—
Not used
8
BYTE
I
Data bus changed input (Fixed at “L”)
9
CNVSS
—
Ground
10
XIN-T
I
Not used (Open)
11
XOUT-T
O
Not used (Open)
12
S.RST
I
System rest input
13
XOUT
O
Main clock output (10MHz)
14
GND
—
Ground
15
XIN
I
Main clock input (10MHz)
16
VCC
—
Power supply
17
NMI
I
Fixed at H (Fixed at “H”)
18
DQSY
I
Digital in sync input (Record system)
19
P.DOWN
I
Power down detection input L: Power down
20
SQSY
I
ADIP (MO) sync or subcode Q (PIT) sync input from CXD2664R (Playback system)
21
(KB.CLK)
I
Keyboard clock input (Not used) (Open)
22
(KB.DATA)
I
Keyboard data input (Not used) (Open)
23
(IIC BUSY)
I
IIC cable connect check (Not used) (Open)
24
(A1 OUT)
O
A1 control output (Not used) (Open)
25
XINIT
I
Interrupt status input from CXD2664R
26
*BEEP
O
Not used (Open)
27
(LRCKI)
O
Not used (Open)
28
(IIC POWER)
O
Not used (Open)
29
(IIC CLK)
O
Not used (Open)
30
(IIC DATA)
I/O
Not used (Open)
31
SWDT
O
Writing data signal output to the serial bus
I
Reading data signal input from the serial bus
O
Clock signal output to the serial bus
O
Keyboard clock ON/OFF signal output (Not used) (Open)
O
Not used (Open)
I
Not used (Open)
O
Not used (Open)
O
Line out muting output
O
Reset signal output to the AK4552
O
Latch signal output to the AK4552 (Not used) (Open)
41
EPN
I
Not used (Fixed at L)
42
(L : DINT1/H : CLIP)
O
Not used (Open)
43
NC
O
Not used (Open)
44
PROTECT
I
Recording-protection claw detection input from the protection detection switch H: Protect
45
SCL
O
Clock signal output to the EEP-ROM
46
CE
O
Not used (Pull-up)
47
EEP-WP
O
EEP-ROM write protect signal output L: write possibility
48
XBUSY
I
In the state of executive command from the CXD2664R
Description
Pin Name
Pin No.
I/O
• IC1 M30622MGN-373FP SYSTEM CONTROL (MAIN BOARD)
www. xiaoyu163. com
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9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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