Pin No.
Pin Name
I/O
Description
-10
5
-
IC DESCRIPTION -1/3 (IX0520AW -2/3)
44
R/P
O
REC/PLAY change output
45
LDON
O
Laser diode-on output
46
FLASH H
I
At the time of flash writing (H)
47
SGAIN
O
SGAIN output
48
DISC
O
DISC output
49
HFON
O
High frequency superposition output
50
4M/16M
I
DRAM selection input
51
A/B
I
Unit type discernment input
52
SYRS
O
MDLSI register selection signal output
53
SYRD
O
MDLSI read signal output
54
SYWR
O
MDLSI light signal output
55
SYSD7
I/O
MDLSI data bus 7
56
SYSD6
I/O
MDLSI data bus 6
57
SYSD5
I/O
MDLSI data bus 5
58
SYSD4
I/O
MDLSI data bus 4
59
SYSD3
I/O
MDLSI data bus 3
60
SYSD2
I/O
MDLSI data bus 2
61
SYSD1
I/O
MDLSI data bus 1
62
+3.2V
-
+3.2V
63
SYSD0
I/O
MDLSI data bus 0
64
GND
-
GND
65
XRST
O
MDLSI reset output
66
NC
-
Not Use
67
DSENSE
I
The sense input from MDLSI
68
FOK
I
Focus servo state monitor input
69
NC
-
Not Use
70
NC
-
Not Use
71
NC
-
Not Use
72
NC
-
Not Use
73
DAPON
O
DAPON output (for CHECK)
74
SFSY
I
Sub code frame synchronized signal input
75
SBSY
I
Sub code block synchronized signal input
76
NC
-
Not Use
77
NC
-
Not Use
78
NC
-
Not Use
79
NC
-
Not Use
80
64M
I
DRAM selection input
81
LOAD IN
I
LOAD IN input
82
L3DATA
O
ADC/DAC serial data output
83
L3MODE
O
ADC/DAC serial mode output
84
L3CLK
O
ADC/DAC serial lock output
85
INNSW
I
The disk inner side detection input of a pickup
86
TEST2
I
Special mode setting input 2
