CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
39
MAIN BOARD (4/5) IC701 TC94A99FG-003 (SY) (DIGITAL SIGNAL PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
LPFO
O
Signal output from the operation ampli
fi
er for PLL loop
fi
lter
2
PVREF
I
Reference voltage (+1.65V) input terminal
3
VCOF
O
Terminal for VCO
fi
lter
4
RVSS3
―
Ground terminal
5
VCOI
I
DSP VCO control voltage input terminal
6
RVDD3
―
Power supply terminal (+3.3V)
7
SLCO
O
EFM slice level output terminal
8
RFI
I
RF signal input terminal
9
RFRPI
I
RF ripple signal input terminal
10
RFEQO
O
EFM slice level output terminal
11
DCOFC
O
DCOFC signal output
12
AGCI
I
RF signal amplitude adjustment ampli
fi
cation input terminal
13
RFO
O
RF signal generation ampli
fi
cation output terminal
14
RVSS3
―
Ground terminal
15
FNI2
I
Main beam input terminal (Connect with pin diode C)
16
FNI1
I
Main beam input terminal (Connect with pin diode A)
17
FPI2
I
Main beam input terminal (Connect with pin diode D)
18
FPI1
I
Main beam input terminal (Connect with pin diode B)
19
VDD1-1
―
Power supply terminal (+1.5V)
20
TPI
I
Sub beam ampli
fi
cation input terminal (Connect with pin diode F)
21
TNI
I
Sub beam ampli
fi
cation input terminal (Connect with pin diode E)
22
VRO
O
Reference voltage (+1.65V) output terminal
23
AVSS3
―
Ground terminal
24
MDI
I
Monitor photo diode ampli
fi
cation input terminal
25
LDO
O
Laser diode ampli
fi
cation output terminal
26
FSMONIT
―
Not used. (Open)
27
RFZI
I
RF ripple zero crossing signal input terminal
28
RFRP
O
RF ripple signal output terminal
29
TEI
I
Tracking error signal input terminal
30
AVDD3
―
Power supply terminal (+3.3V)
31
FOO
O
Focus servo equalizer signal output terminal
32
TRO
O
Tracking servo equalizer signal output terminal
33
VSS-1
―
Ground terminal
34
FMO
O
Feeding servo equalizer signal output terminal
35
DMO
O
Disc servo equalizer signal output terminal
36
VDDM1
―
Power supply terminal (+1.5V)
37
/SRAMSTB
I
Strobe signal input from the USB controller “L”: standby mode
38
VDD1-2
―
Power supply terminal (+1.5V)
39
VDD3-1
―
Power supply terminal (+3.3V)
40
CD-MON2/PIO10
―
Not used. (Open)
41
CD-MON3/PIO11
―
Not used. (Open)
42
PIO12/DT/BT_DATAi
―
Not used. (Open)
43
PIO13/DT/BT_BCKi
―
Not used. (Open)
44
PIO14/DT/BT_LRCKi
―
Not used. (Open)
45 to 47
PIO15/SDo0 to
PIO17/SDo2
―
Not used. (Open)
48
PIO18/LRCKo
―
Not used. (Open)
49
PIO19/BCKo
―
Not used. (Open)
50
PIO20/CKo
―
Not used. (Open)
51
DVDD12
―
Power supply terminal (+3.3V)
52
DAO1 (R_R-CH)
O
R_R channel data output terminal
53
DVSS12
―
Ground terminal
54
DAO2 (F_R-CH)
O
F_R channel data output terminal
55
DVREF
―
Reference voltage input terminal
56
DVDD34
―
Power supply terminal (+3.3V)
57
DAO3 (F_L-CH)
O
F_L channel data output terminal
58
DVSS34
―
Ground terminal
59
DAO4 (R_L-CH)
O
R_L channel data output terminal
60
DVDD5
―
Power supply terminal (+3.3V)
