53
HCD-GNX80
Pin No.
Pin Name
I/O
Description
49
AVSS3
—
Ground
50
CLTV
I
Multiplier VCO1 control voltage input
51
FILO
O
Master PLL (slave = digital PLL) filter output
52
FILI
I
Master PLL filter input
53
PCO
O
Master PLL charge pump output
54
AVDD5
—
Power supply (+3.3V)
55
DDVROUT
O
DC/DC converter output (+2.5V)
56
DDVRSEN
I
DC/DC converter output voltage monitor input
57
AVSS5
—
Ground
58
DDCR
I
DC/DC converter reset input
59
NC
—
Not used (Open)
60
BCKI
I
D/A interface bit clock input
61
PCMDI
I
D/A interface serial data input
62
LRCKl
I
D/A interface LR clock input
63
LRCK
O
D/A interface LR clock output f = Fs
64
VSS
—
Ground
65
PCMD
O
D/A interface serial data output
66
BCK
O
D/A interface bit clock output
67
VDD
—
Power supply (+2.5V)
68
EMPH
O
High when the playback disc has emphasis, low it has not
69
EMPHI
I
High when de-emphasis is ON, low when input OFF
70
IOVDD2
—
Power supply (+3.3V)
71
DOUT
O
Digital Out output
72
TEST
I
Test pin (Connected ground)
73
TEST1
I
Test pin (Connected ground)
74
IOVSS2
—
Ground
75
NC
—
Not used (Open)
76
XVSS
—
Ground
77
XTAO
O
Crystal oscillation circuit output
78
XTAI
I
Crystal oscillation circuit input
79
XVDD
—
Power supply (+2.5V)
80
AVDD1
—
Power supply (+3.3V)
81
AOUT1
O
L-ch analog output
82
VREFL
O
L-ch reference voltage
83
AVSS1
—
Ground
84
AVSS2
—
Ground
85
VREFR
O
R-ch reference voltage
86
AOUT2
O
R-ch analog output
87
AVDD2
—
Power supply (+3.3V)
88
NC
—
Not used (Open)
89
IOVDD0
—
Power supply (+3.3V)
90
RMUT
O
Not used (Open)
91
LMUT
O
Not used (Open)
92
NC
—
Not used (Open)
93
XTSL
I
Crystal selection input (Pull down)
94
IOVSS0
—
Ground
95
XTACN
I
Oscillation circuit control (H:Self-oscillation, L:oscillation stop)
96
SQSO
O
Not used (Open)
97
SQCK
I
SQSO readout clock input (Connected to +VDD(+3.3v))
98
SBSO
O
Not used (Open)
