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CIRCUIT DESCRIPTION
DMC-J3
Pin No.
Pin Name
I/O
Description
62
PEAK
I
Laser peak hold signal input port.
63
BOTM
I
Laser bottom hold signal input port.
64
ABCD
I
Laser input port.
65
FE
I
Focus error signal input port.
66
AUX1
I
Auxiliary port 1
67
VC
I
Center voltage input port.
68
ADIO
O
Monitor port of A/D converter input signal.
69
AVDD
–
Analog power supply.
70
ADRT
I
Peak voltage input port in A/D converter operation.
71
ADRB
I
Bottom voltage input port in A/D converter operation.
72
AVSS
–
Analog GND.
73
SE
I
Feed error signal input port.
74
TE
I
Tracking error signal input port.
75
AUX2
I
Auxiliary port 2.
76
DCHG
I
–
77
APC
I
Error signal input port of laser digital APC.
78
ADFG
I
FM signal(22.05±1kHz)input port.
79
F0CNT
O
Current source output port of CXA2523.
80
XLRF
O
Latch output port of CXA2523. Latch=falling edge.
81
CKRF
O
Shift clock output port of CXA2523.
82
DTRF
O
Data output port of CXA2523.
83
APCREF
O
Reference PWM output port of laser APC.
84
LDDR
O
PWM output port for laser digital APC.
85
TRDR
O
Negative tracking servo drive PWM output port.
86
TRDR
O
Positive tracking servo drive PWM output port.
87
DVDD
–
Digital power supply.
88
FFDR
O
Positive focus servo drive PWM output port.
89
FRDR
O
Negative focus servo drive PWM output port.
90
FS4
O
4Rs output port(176.4kHz).
91
SRDR
O
Negative feed servo drive PWM output port.
92
SFDR
O
Positive feed servo drive PWM output port.
93
SPRD
O
Negative spindle servo drive PWM output port.
94
SPFD
O
Positive spindle servo drive PWM output port.
95
FGIN
I
FG input port of spindle CAV servo.
96-98
TEST1-3
I
Test port.
99
DVSS
–
Digital GND.
100
MUTFGR
O
R-ch zero data detection flag output port.
DMC-J3(K)1P(
98.4.25
19:57
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