– 81 –
Pin No.
Pin Name
I/O
Function
41
TE
I
Tracking error signal input
42
CE
I
Center servo analog input
43
RFDC
I
RF signal input
44
ADI0
O
Test pin (Not used)
45
AVSS0
—
Analog ground
46
IGEN
I
Power supply pin operational amplifiers
47
AVDD
—
Analog power supply
48
ASYO
O
EFM full swing output
49
ASYI
I
Asymmetry comparate voltage input
50
RFAC
I
EFM signal input
51
AVSS1
—
Analog ground
52
CLTV
I
Control voltage input for master VCO
53
FILO
O
Filter output for master PLL
54
FILI
I
Filter input for master PLL
55
PCO
O
Charge-pump output for master PLL
56
AVDD1
—
Analog power supply
57
BIAS
I
Asymmetry circuit constant current input
58
VCTL
I
Control voltage input for variable pitch PLL
59
V16M
I/O
16.9344MHz output (Not used)
60
VPCO
O
Charge-pump output for variable pitch PLL (Not used)
61
DVDD2
—
Digital power supply
62
ASYE
I
Asymmetry circuit ON/OFF
63
MD2
I
Digital-out ON/OFF control
64
DOUT
O
Digital-out output
65
LRCK
O
48-bit slot D/A interface, LR clock output
66
PCMD
O
48-bit slot D/A interface, Serial deta output
67
BCLK
O
48-bit slot D/A interface, bit clock output
68
EMPH
O
Playback disc output in emphasis mode (Not used)
69
XTSL
I
X’tal selection input pin
70
DVSS2
—
Digital ground
71
XTAI
I
X’tal oscillator circuit input
72
XTAO
O
X’tal oscillator circuit output (Not used)
73
SOUT
O
74
SOCK
O
(Not used)
75
XOCT
O
76
SQSO
O
Sub-Q serial output
77
SQCK
I
Clock input for SQSO read-out
78
SCSY
I
Sub-code input
79
SBSO
O
Sub-P through Sub-W serial output (Not used)
80
EXCR
I
Clock input for SBSO read-out