2. Pick up Pin Assignment
28
No.
Signal Name
I/O
Signal Description
1
Vc(OEIC)
I
reference voltage input for OEIC (+2.3V)
2
SW
I
gain swich for signal OEIC output (Gain 8.7dB)
3
EF3
O
signal OEIC output EF3
4
D
O
signal OEIC output D
5
C
O
signal OEIC output C
6
EF4
O
signal OEIC output EF4
7
EF1
O
signal OEIC output EF1
8
A
O
signal OEIC output A
9
B
O
signal OEIC output B
10
EF2
O
signal OEIC output EF2
11
RF+
O
signal OEIC output RF+
12
RF-
O
signal OEIC output RF-
13
GND(OEIC)
ground connection for OEIC
14
Vcc(OEIC)
I
Power supply for HF signal and OEIC
15
LD
I
input current for driving Laser Diode
16
PD
O
output current of Laser Diode power monitor for APC amplifier
17
VR
O
output voltage of controlling signal level of Laser Diode for APC
18
VCC(LD.FM)
I
power supply for LD (+5V) and FM
19
VCC(HF)
I
power supply for HF (+5V)
20
TEMP
O
output voltage for controlling temperature
21
RSET
I
input voltage for current amplifier
22
ESET
I
input voltage for current amplifier
23
W1SET
I
input voltage for current amplifier
24
W2SET
I
input voltage for current amplifier
25
GND(LD, HF)
ground connection for LD-IC and HF signal
26
W1DIS
I
Digital control of channel W1SET (low active)
27
W2DIS
I
Digital control of channel W2SET (low active)
28
RDIS
I
Digital control of channel RSET (low active)
29
EDIS
I
Digital control of channel ESET (low active)
30
ENABLE
I
Enables output current (high active)
31
OSCEN
I
Oscilator shutdown (OSCEN Low=oscillator off, Floats Low)
32
VREF(FM)
I
reference voltage input for FM
33
FM
O
APC amplifier output
34
GND(FM)
ground connection for FM
35
AF+
I
focusing Actuator drive
36
AF-
I
focusing Actuator drive signal -
37
TR+
I
tracking Actuator drive
38
TR-
I
tracking Actuator drive signal -
39
TILT+
I
Tilting Actuator drive
40
TILT-
I
Tilting Actuator drive signal -
ENBLE RDIS
EDIS W1DIS W2DIS
0
X
X
X
X
1
1
1
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
0
ENBLE RDIS
EDIS W1DIS W2DIS
OSCEN OSCILATOR
0
X
X
X
X
X
OFF
1
1
1
1
1
X
OFF
1
0
0
0
0
0
OFF
1
0
0
0
0
1
ON
IOUT CONTROL
OSCILLATOR CONTROL
X : Don’t care
