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4-1. IC PIN DESCRIPTIONS
• IC100 CXA2523AR (RF AMP)
Pin No.
Pin Name
I/O
Pin Description
1
I
I
I-V converted RF signal input (I) from detector of optical pick-up.
2
J
I
I-V converted RF signal input (J) from detector of optical pick-up.
3
VC
O
Center voltage (+1.65 V) generation output
4 – 9
A – F
I
Signal input (A to F) from detector of optical pick-up.
10
PD
I
Quantity monitor input of light from laser diode of optical pick-up.
11
APC
O
Laser amplifier output to automatic power control circuit.
12
APCREF
I
Reference voltage input for laser power setting.
13
GND
—
GND
14
TEMPI
I
Temperature sensor connecting pin (Not used in this set.)
15
TEMPR
O
Reference voltage output for temperature sensor. (Not used in this set.)
16
SWDT
I
Write data signal input from System controller (IC600).
17
SCLK
I
Serial clock signal input from System controller (IC600).
18
XLAT
I
Serial latch signal input from System controller (IC600).
19
XSTBY
I
Standby signal input (“L” : Standby) (Fixed at “H” in this set.)
20
FOCNT
I
Center frequency control voltage input of internal circuit filter (BPF22, BPF3T and EQ).
21
VREF
O
Reference voltage output (Not used in this set.)
22
EQADJ
I
Center frequency setting input of internal circuit filter (EQ).
23
3TADJ
I
Center frequency setting input of internal circuit filter (BPF3T).
24
VCC
—
Power supply pin (+3.3 V)
25
WBLADJ
I
Center frequency setting input of internal circuit filter (BPF22).
26
TE
O
Tracking error signal output to CXD2652AR (IC200).
27
CSLED
I
Connecting pin for low pass filter condenser of sled error signal.
28
SE
O
Sled error signal output to CXD2652AR (IC200).
29
ADFM
O
FM signal output of ADIP.
30
ADIN
I
FM signal input of ADIP by AC combination.
31
ADAGC
I
External condenser connecting pin for AGC of ADIP.
32
ADFG
O
ADIP double FM signal output (22.05 kHz
±
1 kHz) to CXD2652AR (IC200).
33
AUX
O
Support signal (I3 signal/temperature signal) output (Not used in this set.)
34
FE
O
Focus error signal output to CXD2652AR (IC200).
35
ABCD
O
Quantity signal output of light to CXD2652AR (IC200).
36
BOTM
O
Bottom hold signal output of quantity signal (RF/ABCD) of light to CXD2652AR (IC200).
37
PEAK
O
Peak hold signal output of quantity signal (RF/ABCD) of light to CXD2652AR (IC200).
38
RF
O
Playback EFM RF signal output to CXD2652AR (IC200).
39
RFAGC
I
External condenser connecting pin of AGC circuit for RF.
40
AGCI
I
RF signal input by AC combination.
41
COMPO
O
User comparator output pin (Not used in this set.)
42
COMPP
I
User comparator input pin (Fixed at “L” in this set.)
43
ADDC
I
External condenser connecting pin for low frequency interception of ADIP amplifier.
44
OPO
O
External condenser connect pin for lower cut of ADIP amplifier.
45
OPN
I
User operational amplifier inversion input pin (Fixed at “L” in this set.)
46
RFO
O
RF signal output
47
MORFI
I
RF signal input of MO by AC combination.
48
MORFO
O
RF signal output of MO.
SECTION 4
DIAGRAMS
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