– 90 –
Pin No.
Pin Name
I/O
Function
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
• IC103 DIGITAL SIGNAL PROCESSOR (CXD2519Q)
–
–
O
O
O
O
I
O
O
I
I
I
I
I
O
O
O
I
I
I
I
O
I
–
–
O
O
O
O
I
I
I
O
O
I
O
I
O
O
I
+5V power supply
Ground
Lch “L” detection flog (Not used)
Rch “L” detection flog (Not used)
Test output (Not used)
Master clock divider output (Not used)
Clock input for SQSO read out
Serial output for Sub
-
Q 80bit
SENS signal output to CPU
Serial data input, supplied from CPU
Latch input, supplied from CPU
Serial data transfer clock input, supplied from CPU
SENS input from IC101
Numbers of track jump counted signal input
Serial data output to IC101
Serial data latch output to IC101
Serial data transfer clock output to IC101
Micro computer demodulation interface (Input A)
Micro computer demodulation interface (Input B)
Micro computer demodulation interface (Input C)
Micro computer demodulation interface (Input D)
Micro computer demodulation interface (Output)
Focus OK input
+5V power supply
Ground
Output to control ON/OFF of spindle motor (Not used)
Output to control spindle motor servo
Output to control spindle motor servo (Not used)
GFS is sampled by 460Hz
Input to control the outside spindle motor
Test pin (Connected to ground)
Test pin (Connected to ground)
Charge
-
pump output (Not used)
Charge
-
pump output (Not used)
VCO2 oscillator input (Not used)
VCO2 oscillator output (Not used)
VCO2 control voltage input
Charge
-
pump output to master PLL
Filter output to master PLL
Filter input for master PLL
VDD
VSS
LMUT
RMUT
ACDT
CKOUT
SQCK
SQSO
SENS
DATA
XLAT
CLOK
SEIN
CNIN
DATO
XLTO
CLKO
SPOA
SPOB
SPOC
SPOD
XLON
FOK
VDD
VSS
MON
MDP
MDS
LOCK
PWMI
TES0
TES1
VPCO2
VPCO1
VCKI
V16M
VCTL
PCO
FILO
FILI
• Abbreviation
GFS : Guarded Frame Sync
PLL : Phase Locked Loop
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