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78
HCD-ZUX9
46
AoUT3 (PO4)
O
Request signal output to the USB controller Not used. (Open)
47
AoUT2 (PO5)
O
Audio data output to the USB controller
48
PIO0
O
Request signal output to the system controller or USB controller
49
PIO1
O
ST REQ signal output
50
PIO2
O
Not used. (Open)
51
PIO3
I
Gate signal input from the USB controller
52
VSS1
—
Ground
53
VDDT3
—
Power supply (+3.3 V)
54
SBSY
O
Subcode block sync signal output to the system controller
55
SBOK/FOK
O
Not used. (Open)
56
IPF
O
Not used. (Open)
57
SFSY/LOCK
O
Not used. (Open)
58
ZDET
O
Zero detection signal output Not used. (Open)
59
GPIN
I
Not used. (Connected to ground.)
60
MS
I
Microcomputer interface mode selection signal input Fixed at “H” in this set.
61
DOUT (PO6)
O
Digital audio data output Not used in this set. (Open)
62
AOUT1 (PO7)
O
Audio data output Not used in this set. (Open)
63
BCK (PO8)
O
Bit clock signal output to the USB controller
64
LRCK (PO9)
O
L/R sampling clock signal output
65
AIN (PI4)
I
Digital audio data input from the USB controller
66
BCKi (PI5)
I
Bit clock signal input from the USB controller
67
LRCKi (PI6)
I
L/R sampling clock signal input from the USB controller
68
VDD1
—
Power supply (+1.5 V)
69
VSS
—
Ground
70
AWRC
—
Not used. (Open)
71
PVDD3
—
Power supply (+3.3 V)
72
PDO
O
Phase error margin signal between EFM signal and PLCK signal output
73
TMAXS
O
TMAX detection signal output Not used. (Open)
74
TMAX
O
TMAX detection signal output
75
LPFN
I
Inverted signal input from the operation amplifier for PLL loop filter
76
LPFo
O
Signal output from the operation amplifier for PLL loop filter
77
PVREF
I
Reference voltage (+1.65 V) input
78
VCOF
O
VCO filter output
79
PVSS3
—
Ground
80
SLCo
O
EFM slice level output
81
RFi
I
RF signal input
82
RFRPi
I
RF ripple signal input
83
RFEQo
O
EFM slice level output
84
VRo
O
Reference voltage (+1.65 V) output
85
RESiN
O
External resistor connection pin
86
VMDiR
O
Reference voltage (+1.65 V) output for automatic power control circuit
87
TESTR
O
Low-pass filter terminal for RFEQO offset correction
88
AGCi
I
RF signal amplitude adjustment amplification input
89
RFo
O
RF signal generation amplification output
90
RVDD3
—
Power supply (+3.3 V)
91
LDo
O
Laser diode on/off control signal output to the automatic power control circuit
“H”: laser diode on
Pin No.
Pin Name
I/O
Pin Description
Summary of Contents for HCD-ZUX9
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