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18
/RST
I
Pin No.
Mark
19
SMCK
O
20
CSEL
I
21
TRV
O
22
TVD
O
23
PC
O
24
ECM
O
25
ECS
O
26
KICK
O
27
TRD
O
28
FOD
O
29
VREF
I
30
FBAL
O
31
TBAL
O
32
FE
I
33
TE
I
34
RFENV
I
35
VDET
I
36
OFT
I
Reset signal input
I/O
Function
1/2-diveded clock
signal of crystal
osscillating at MSEL =
"H" (fSMCK = 8.4672
MHz) 1/4-divided
clock signal of
crystal oscillating at
MSEL = "L" (fSMCK =
4.2336MHz)
Frequency Selection
Terminal H = 33.8688
MHz ; L = 16.9344 MHz
N.C
Traverse drive output
Spindle motor ON
output ("L" : ON)
Spindle motor drive
signal output(forced
mode output)
Spindle motor drive
signal output
(servo error signal
output)
N.C.
Tracking drive output
Focus drive output
D/A (drive) output
(TVD, ECS, TRD,
FOD, FBAL, TBAL)
Reference voltage
input
Focus balance
adjustment output
Tracking balance
adjustment output
Focus error signal
input (analog input)
Tracking error signal
input (analog input)
RF envelope signal
input
Vibration detection
signal input ("H" :
detection)
Off-track signal input
("H" : off track)
38
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