26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
IC, CXP81952M-552R
—
—
—
O
O
O
I
O
—
I
—
I
I
—
I
—
—
—
I
O
O
O
O
O
O
—
—
—
—
—
—
—
—
—
—
—
—
I
—
O
I
MCAS
MRAS
BUP
AMUTE
ESK
EDO
EDI
ECS
NC
RFLCT
NC
LS
LDSW
PBSW
RECSW
NC
NC
ACOFF
SREQ
EXTDIN
SLOW
LOAD
EJECT
MREQ
DRIVE
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
MP
SRST
DGND
XTALO
XTALI
Not used.
Audio mute signal output.
Serial clock output for EEPROM interface.
Serial data output for EEPROM interface.
Serial data input for EEPROM interface.
EEPROM chip select signal output.
Not used.
Input from disc reflectance detection switch.
Not used.
Input signal from pickup inner circumference detect switch.
Input signal from loading mechanism EJECT position detect switch.
Not used.
Input signal from loading mechanism REC position detect switch.
Not used.
System control send request input signal for system control interface.
External DIGITAL-IN permission output signal.
Speed control signal output to loading mechanism.
Movement direction control signal output-1 to loading mechanism.
Movement direction control signal output-2 to loading mechanism.
MD controller send request output signal for system control interface.
EFM driver ON/OFF output signal.
Not used.
Connected to VSS.
MD controller reset signal input.
Connected to VSS.
External crystal connection terminal-1 for system clock oscillation.
External crystal connection terminal-2 for system clock oscillation.
Pin No.
Pin Name
I/O
Description
