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