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1-69
UX-F70MD/UX-F72MD
8
9
10
11
12
13
14
15
16
17
48
49
50
51
52
53
54
55
56
57
I
I
I
O
MDATA
MLD
I
I
SENSE
FLOCK
TLOCK
BLKCK
SQCK
O
I
I
SUBQ
DMUTE
STAT
I
I
I
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
DSP-RST
SMCK
CSEL
TEST2
TVD
PC
ECM
ECS
VDETMON
TRD
FOD
VREF
FBAL
TBAL
FE
TE
RF ENV
TEST3
OFT
TRCRS
RFDET
BDO
LDON
Description
I/O
I/O
II
I
PLLF
I
I
I
VCOF
AVDD2
AVSS2
EFM
DSLB
VCOF2
SUBC
SBCK
VSS
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
I
I
I
O
I
O
O
I
I
I
I
I
I
I
I
X1
X2
VDD
BYTCK
LD
GAIN
IPFLAG
FLAG
CLVS
CRC
DEMPH
RESY
IOSEL
TEST
AVDD1
OUTL
AVSS1
OUTR
DQSY
SSEL
MSEL
PSEL
Vcc5V
Pin
No.
Symbol I/O
1
2
3
4
5
6
7
42
41
43
44
45
46
47
I
I
I
O
BCLK
LRCK
SRDATA
DVDD1
DVSS1
TX
MCLK
I
I
I
I
PLLF2
DSLBDA
WVEL
ARF
IREF
DRF
DSLF
I/O
O
O
I/O
I
I
I
O
O
O
I
I
I
I
I
I/O
I
I/O
O
I
1. Pin layout
2. Pin function
MN662790RSC (IC651) : Digital servo & Digital signal processer
Description
Pin
No.
Symbol
Bit clock output for SRDATA output (pin 3)
L/R discrimination signal output
Serial data output
Power supply for digital circuit
Digital circuit GND
Digital audio interface output signal
Microcomputer command clock signal input
Microcomputer command data input
Microcomputer command load signal input (L: Load)
Not used
Not used
Not used
Sub-code block clock signal
External clock input for sub-code Q register
Sub-code Q data output
Muting input (H: Mute)
Status signal output
Reset signal input (L: Reset)
Not used
Oscillation frequency selector
Not used
Traverse drive output
Not used
Spindle motor drive signal (Forced mode output)
Spindle motor drive signal
(Servo malfunction signal output)
Not used
Tracking drive output
Focus drive output
D/A output reference voltage
Focus balance control output
Tracking balance control output
Focus error signal input (analog input)
Tracking error signal input (analog input)
RF envelope signal input (analog input)
Connected to GND
Off-track signal input (H: Off-track)
Track cross signal input
RF detection signal input (L: Detection)
Dropout signal input (H: Dropout)
Not used
PLL loop filter characteristic switching terminal
Not used
Not used
RF signal input
Reference current input
DSL bias input
DSL loop filter input/output
PLL loop filter input/output
VCO loop filter input/output
Power supply for analog circuit
Analog circuit GND
Not used
DSL balance output
Digital servo 33.8688 MHz generator VCO loop
filter input/output
Not used
Connected to GND
GND for transmission circuit
Crystal oscillator circuit input (f = 16.9344 MHz)
Crystal oscillator circuit output (f = 16.9344 MHz)
Power supply for oscillator circuit
Not used
Not used
Flag signal output
Not used
Not used
Not used
Not used
Mode switching, Pull-up
Test pin (H: Usual)
Power supply for analog circuit
L-ch audio output
Analog circuit GND
R-ch audio output
Connected with power supply
When IOSEL = H: Test pin (Usually L)
When IOSEL = H: SMCK output frequency
switching terminal (L: SMCK = 4.2336 MHz)
When IOSEL = H: SUBQ output mode switching
terminal (H: Q code buffer use mode)