37
MDS-JB980
1
FLDT
O
Serial data output to the display driver (IC771)
2
FLCK
O
Serial clock signal output to the display driver (IC771)
L: Active
3
A1-IN
I
A1 Control input (Not used.) (Open)
4
SIRCS
I
Remote control signal input
5
NETMD_SO
O
Serial data output to UNICORN NETMD-USB I/F
6
NETMD_SI
I
Serial data input from UNICORN NETMD-USB I/F
7
NETMD_CLK
O
Clock signal output to UNICORN NETMD-USB I/F
8
BYTE
I
Data bus changed input (Fixed at “L”.)
9
CNVSS
—
Ground pin
10
XIN-T
I
Not used. (Fixed at “L”.)
11
XOUT-T
O
Not used. (Open)
12
S.RST
I
System reset signal input
13
XOUT
O
Main clock output (10 MHz)
14
GND
—
Ground pin
15
XIN
I
Main clock input (10 MHz)
16
VCC
—
Power supply pin (+3 V)
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 (IC201) (Playback system)
21
KB.CLK
I
Keyboard clock signal input
22
KB.DATA
I
Keyboard data signal input
23
IIC BUSY
I
IIC cable connect check (Not used.) (Open)
24
A1 OUT
O
A1 control signal output (Not used.) (Open)
25
XINIT
I
Interrupt status signal input from CXD2664R (IC201)
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. (Fixed at “L”.)
30
IIC DATA
I/O
Not used. (Fixed at “L”.)
31
SWDT
O
Writing data signal output
32
SRDT
I
Reading data signal input
33
SCLK
O
Clock signal output
34
KB.CLK-CTL
O
Keyboard clock ON/OFF signal output
35
CLIP-TX
O
Not used. (Open)
36
CLIP-RX
I
Not used. (Open)
37
XBCK1
O
Not used. (Open)
38
MUTE
O
Line out muting signal output
39
ADA.RESET
O
Reset signal output to the AK4524 (IC500)
40
ADA. LATCH
O
Latch signal output to the AK4524 (IC500)
41
EPM
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 (IC195)
46
CE
I
Not used. (Pull-up)
Description
Pin Name
Pin No.
I/O
• IC1 M30823MH-052FP (SYSTEM CONTROL) (MAIN BOARD)
