22
D-NE270
Pin No.
Pin Name
I/O
Description
55
VREFR
O
R-ch reference voltage output terminal
56
AOUT2
O
R-ch analog audio signal output terminal
57
AVDD2
—
Power supply terminal (+2.8V)
58
TES1
I
Input terminal for the test (fixed at “L”)
59
TEST
I
Input terminal for the test (fixed at “L”)
60
VSS1
—
Ground terminal
61
LRMU
O
Muting on/off control signal output to the headphone amprifier
62
DOUT
O
Not used
63
ATSK
I/O
Not used
64
DFCT
I/O
Not used
65
FOK
O
Focus OK signal output to the system controller
66
MIRR
I/O
Not used
67
COUT
I/O
Not used
68
C2PO
O
Not used
69
GFS
O
GFS signal output to the system controller
70
XUGF
O
Not used
71
XPCK
O
Not used
72
VDD1
—
Power supply terminal (+2.1V)
73
PCO
O
Charge pump output terminal for master PLL
74
FILI
I
Filter input terminal for master PLL
75
FILO
O
Filter output terminal for master PLL
76
CLTV
I
VCO1 control voltage input terminal for multiplier
77
VCTL
I
VCO2 control voltage input terminal for broad-band EFM PLL
78
VPCO
O
Charge pump output terminal for broad-band EFM PLL
79
AVSS3
—
Ground terminal
80
ASY_O
O
EFM full-swing output terminal
81
ASY_I
I
Asymmetry comparator voltage input terminal
82
BIAS
I
Asymmetry circuit constant current input terminal
83
AVDD3
—
Power supply terminal (+2.1V)
84
RFAC
I
EFM signal input from the optical pick-up
85
AVDD0
—
Power supply terminal (+2.1V)
86
IGEN
I
Stabilized current input terminal
87
AVSS0
—
Ground terminal
88
RFDC
I
RF signal input from the optical pick-up block
89
E
I
E signal input from the optical pick-up block
90
F
I
F signal input from the optical pick-up block
91
B
I
B signal input from the optical pick-up block
92
A
I
A signal iuput from the optical pick-up block
93
VC
I
Middle point voltage input terminal Not used
94
VSS2
—
Ground terminal
95
FRDR
O
Focus servo drive signal (–) output to the coil/motor drive
96
FFDR
O
Focus setvo drive signal (+) output to the coil/motor drive
97
TRDR
O
Tracking servo drive signal (–) output to the coil/motor drive
98
TFDR
O
Tracking servo drive signal (+) output to the coil/motor drive
99
SRDR
O
Sled servo drive signal (–) output to the coil/motor drive
100
SFDR
O
Sled servo drive signal (+) output to the coil/motor drive
101
SSTP
I
Disc inner position detection signal input terminal Not used
