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IC, CXP81952M-555R
Pin No.
Pin Name
1
N.C.
2
N.C.
3
N.C.
4
AMUTE
5
SCLK1
6
SW-DT1
7
SRDT1
8
XLAT3
9
DNDT
10
UPDT
11
N.C.
12
PACK-IN
13
HLDRIN
14
HLDR-IN
15
DENF
16
ARST
17
LS
18
DSCPRO
19
SREQ
20
EXTDIN
21
N.C.
22
N.C.
23
N.C.
24
MREQ
25
PD3
26
BEMFW
27
BEMFV
28
BEMFU
29
SL_S3
30
SL_S2
31
SL_S1
32
N.C.
33
N.C.
34
N.C.
35
N.C.
36
STHB
37
MP
38
SRST
39
DGND
40
XTALO
I/O
O
Not used.
O
Not used.
O
Not used.
O
Audio mute signal output. (Muted at "H".)
O
Serial clock output for EEPROM interface.
O
Serial data output for EEPROM interface.
I
Serial data input for EEPROM interface.
O
EEPROM chip select signal output. (H active.)
I
OWH DOWN position detection switch input.
I
OWH UP position detection switch input.
O
Not used.
I
Disk presence detection switch input.
I
Holder open/close detection switch input.
I
Holder open/close detection switch input. (Opposite of No. 13 at all times)
O
De-emphasis ON/OFF signal output. (OFF at "H". ON at "L".)
O
AK4519 power control output. (ON at "H". OFF at "L".)
Pickup innermost circumference position detection switch input. (innermost
I
circumference at "L".)
I
Write-protection tab detection switch.
I
System control send request signal input to system control interface.
O
External digital-in enable signal output.
O
Not used.
O
Not used.
O
Not used.
O
MD microprocessor send request signal output to system control interface.
I
Connected to Vss.
I
Motor driver comparator output.
I
Motor driver comparator output.
I
Motor driver comparator output.
O
Sled control output.
O
Sled control output.
O
Sled control output.
O
Not used.
O
Not used.
O
Not used.
O
Not used.
O
Two-axis mute signal output to BD6601KVT. (Mute at "L".)
—
Connected to Vss.
I
MD microprocessor reset signal input.
—
Connected to Vss.
—
Terminal to which external crystal is connected for system clock oscillation 1.
25
Description
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