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HCD-GT111/GT222/GT444/GT555
58
Pin No.
Pin Name
I/O
Description
56
IPF
O
Not used
57
SFSY/LOCK
O
Not used
58
ZDET
O
Zero detection signal output terminal Not used
59
GPIN
I
Not used
60
MS
I
Microcomputer interface mode selection signal input terminal Fixed at "H" in this set
61
DOUT (PO6)
O
Digital audio data output terminal Not used
62
AOUT (PO7)
O
Audio data output terminal Not used
63
BCK (PO8)
O
Bit clock signal output to the USB controller
64
LRCK (PO9)
O
L/R sampling clock signal output terminal
65
AIN (PI4)
I
Digital audio data input from USB controller or A/D converter
66
BCKi (PI5)
I
Bit clock signal input from the USB controller or A/D converter
67
LRCKi (PI6)
I
L/R sampling clock signal input from the USB controller or A/D converter
68
VDD1
-
Power supply terminal (+1.5 V)
69
VSS1
-
Ground terminal
70
AWRC
-
Not used
71
PVDD3
-
Power supply terminal (+3.3 V)
72
PDo
O
Phase error margin signal between EFM signal and PLCK signal output terminal
73
TMAXS
O
TMAX detection signal output terminal Not used
74
TMAX
O
TMAX detection signal output terminal
75
LPFN
I
Inverted signal input from the operation ampli
fi
er for PLL loop
fi
lter
76
LPFo
O
Signal output from the operation ampli
fi
er for PLL loop
fi
lter
77
PVREF
I
Reference voltage (+1.65V) input terminal
78
VCOF
O
VCO
fi
lter output terminal
79
PVSS3
-
Ground terminal
80
SLCo
O
EFM slice level output terminal
81
RFi
I
RF signal input terminal
82
RFRPi
I
RF ripple signal input terminal
83
RFEQo
O
EFM slice level output terminal
84
VRo
O
Reference voltage (+1.65V) output terminal
85
RESiN
O
External resistor connection terminal
86
VMDiR
O
Reference voltage (+1.65V) output terminal for automatic power control circuit
87
TESTR
O
Low-pass
fi
lter terminal for RFEQO offset correction
88
AGCi
I
RF signal amplitude adjustment ampli
fi
cation input terminal
89
RFo
O
RF signal generation ampli
fi
cation output terminal
90
RVDD3
-
Power supply terminal (+3.3 V)
91
LDo
O
Laser diode on/off control signal output to the automatic power control circuit
"H": laser diode on
Light amount monitor input from the laser diode of optical pick-up block
Ground terminal
Main beam (C) input from the optical pick-up block
Main beam (A) input from the optical pick-up block
Main beam (D) input from the optical pick-up block
Main beam (B) input from the optical pick-up block
Sub beam (F) input from the optical pick-up block
External capacitor connection terminal
Sub beam (E) input from the optical pick-up block
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