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4.14 MN662748RPMFA (IC603) : Digital servo & Digital signal processer
• Pin layout
1
20
• Pin function
Pin No. Symbol I/O
1
BCLK
- Not use
2
LRCK
- Not use
3
SRDATA - Not use
4
DVDDI
- Power supply for digital circuit
5
DVSSI
- GND for digital circuit
6
TX
- Not use
7
MCLK
I Micro computer command clock signal
input
8
MDATA
I Micro computer command data input
9
MLD
I Micro computer command load signal in-
put (L: Load)
10
SENSE
- Not use connect to TP716
11
FLOCK
- Not use connect to TP717
12
TLOCK
- Not use connect to TP718
13
BLKCK
O Sub code block clock signal output
14
SQCK
I External clock input for sub code Q reg-
ister input
15
SUBQ
O Sub code Q data output
16
DMUTE
- Not use connect to TP719
17
STAT
O Status signal input
18
RST
I Reset signal input (L: Reset)
19
SMCK
- Not use
20
PMCK
- Not use connect to TP720
21
TRV
O Traverse enforced output
22
TVD
O Traverse drive output
23
PC
- Not used
24
ECM
O Spindle motor drive signal (Enforced
mode output)
25
ECS
O Spindle motor drive signal (Servo error
signal output)
26
KICK
O Kick pulse output
27
TRD
O Tracking drive output
28
FOD
O Focus drive output
29
VREF
I Reference voltage for D/A output block
30
FBAL
O Focus balance adjust signal output
31
TBAL
O Tracking balance adjust signal output
32
FE
I Focus error signal input (Analog input)
33
TE
I Tracking error signal input (Analog input)
34
RFENV
I RF envelope signal input (Analog input)
35
VDET
I Vibration detect signal input (H:Detect)
36
OFT
I Off track signal input (H:Off track)
37
TRCRS
I Track cross signal input
38
/RFDET
I RF detect signal input (L:Detect)
39
BDO
I Drop out signal input (H:Drop out)
40
LDON
O Laser on signal output
41
PLLF2
- Not use
42
TOFS
- Not use
43
WVEL
- Not use
1-38 (No.22062)
80~61
60
41
21~40
Function
Pin No. Symbol I/O
44
ARF
I RF signal input
45
IREF
I Reference current input
46
DRF
I Bias pin for DSL
47
DSLF
I/O Loop filter pin for DSL
48
PLLF
I/O Loop filter pin for PLL
49
VCOF
I/O Loop filter pin for VCO
50
AVDD2
- Power supply for analog circuit
51
AVSS2
- GND for analog circuit
52
EFM
- Not use connect to TP724
53
PCK
O Clock output for PLL
54
VCOF2 I/O Loop filter pin for Digital servo VCO
55
SUBC
- Not use
56
SBCK
- Not use
57
VSS
- GND for crystal oscillation circuit
58
X1
I Input
(f=16.9344MHz)
59
X2
O Output for crystal oscillation circuit
(f=16.9344MHz)
60
VDD
- Power supply for crystal oscillation circuit
61
BYTCK/
- Not use
TRVSTP
62
CLDCK
O Sub code frame clock signal output
63
FCLK
- Not used
64
IPFLAG
O Interpolation flag signal output Connect
to TP721
65
FLAG
O Flag signal output Connect to TP722
66
CLVS
- Not use
67
CRC
- Not use
68
DEMPH O De-emphasis detect signal output Con-
nect to TP723
69
RESY
- Not use
70
IOSEL
I Mode select pin Connect to DVDD1 (H
fix)
71
/TEST
I Test pin Connect to DVDD1 (H fix)
72
AVDD1
- Power supply for analog circuit
73
OUTL
O L-channel audio output
74
AVSS1
- GND for analog circuit
75
OUTR
O R-channel audio output
76
RSEL
I RF signal polarity setting pin Connect to
DVDD1 (H fix)
77
CSEL
I Oscillation frequency setting pin Connect
to GND (L fix)
78
PSEL
I IOSEL=H Test pin Connect to GND (L
fix)
79
MSEL
I IOSEL=H SMCK output Frequency se-
lect pin
80
SSEL
I IOSEL=H SMCK output SUBQ output
mode select pin
Function
for
crystal
oscillation
circuit
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