Pin No.
Pin Name
I/O
Description
-10
4
-
IC DESCRIPTION -1/3 (IX0520AW -1/3)
1
NC
-
Not Use
2
NC
-
Not Use
3
LDVAR
O
Laser power control output
4
ADJS
O
Automatic adjustment step output
5
CIN
I
Track count signal input
6
NC
-
Not Use
7
UNLOCK
I
Unlock of Monitor PLL
8
BYTE
-
GND
9
CNVss
I
At usually, the time (L)/At the time of serial writing (H)
10
DFS0
O
DFS0 output
11
DFS1
O
DFS1 output
12
RESET
I
RESET input
13
NC
-
Not Use
14
Vss
-
GND
15
MCCK
I
System lock input (8.4672MHz)
16
Vcc
I
+3.2V
17
NC
-
It is a pull-up to Vcc.
18
DINT
I
The interruption input from MD-LSI
19
NC
-
Not Use
20
ST? ID IN
I
ST-ID input
21
SERCH
I
CD search input
22
ST?ID OUT
O
ST-ID output
23
MDÉTÅ[É‘OUT
O
MD search output
24
PCNT0
O
Power supply circuit control output
25
PDNON
I
Power failure detection / power failure return interruption input
26
HDON
O
Magnetic head current ON/OFF control
27
EEPRO
O
EEPROM protection output
28
ADMUTE
O
ADMUTE output (for CHECK)
29
EEPK
O
EEPROM serial clock output
30
EEPD
I/O
EEPROM data input and output
31
MDDATA
O
The serial data output to a system microcomputer
32
KDATA
I
Serial data input from a system microcomputer
33
DSCK
I
The clock input for serial communication from a system microcomputer
34
DSTB
O
The state output to a system microcomputer which can be communicated serial
35
NC
-
Not Use
36
SBO
I
Sub code serial data input
37
SBCK
O
Sub code serial communication clock output
38
LD+
O
Loading motor + side control output
39
LD?
O
Loading motor - side control output
40
MDRMUT
O
Motor driver-on/OFF control output
41
FLASH L
I
At the time of flash writing (L)
42
LAST
O
LAST output
43
RAST
O
RAST output