21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
IC, CXA2523AR
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION
I
J
VC
A
B
C
D
E
F
PD
APC
APCREF
GND
TEMPI
TEMPR
SWDT
SCLK
XLAT
XSTBY
FOCNT
VREF
EQADJ
3TADJ
VCC
WBLADJ
TE
CSLED
SE
ADFM
ADIN
ADAGC
ADFG
AUX
FE
ABCD
BOTM
PEAK
RF
RFAGC
AGCI
COMPO
I
I
O
I
I
I
I
I
I
I
O
I
—
I
I
I
I
I
I
I
O
I/O
I/O
—
I/O
O
—
O
O
I
—
O
O
O
O
O
O
O
—
I
O
Input “I” RF signal converted to I-V.
Input “J” RF signal converted to I-V.
Output voltage for VCC/2.
Input current for main beam servo signal A.
Input current for main beam servo signal B.
Input currentt for main beam servo signal C.
Input current for main beam servo signal D.
Input current for side beam servo signal E.
Input current for side beam servo signal F.
Input beam spectrum monitor signal.
Output laser APC.
Input reference voltage for laser power setting.
GND.
Not used.
Input micro-processor serial interface data.
Input micro-processor serial interface shift clock.
Input micro-processor serial interface latch. “L”: Latch.
Standby setting pin. “H”: Normal mode, “L”: Standby.
Internal current setting pin.
Not used.
EQ central frequency setting pin.
BPF3T central frequency setting pin.
Power supply pin.
BPF22 central frequency setting pin.
Output tracking error signal.
LPF capacitor connection pin for SLED error signal.
Output SLED error signal.
Output ADIP FM signal.
Input ADIP signal comparator.
ADIPAGC capacitor connection pin.
Output ADIP2 binary data signal.
I3 output temperature signal. Switched by serial command.
Output focus error signal.
Output beam spectrum signal for main beam servo detector.
Output bottom hold signal for RF/ABCD.
Output peak hold signal for RF/ABCD.
RF equalizer output pin.
RFAGC capacitor connection pin.
RFAGC input pin.
Not used.
