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– 55 –
Pin No.
Pin Name
I/O
Function
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
AVSS
CLTV
AVDD
RF
BIAS
ASYI
ASYO
ASYE
WDCK
LRCK
LRCKI
PCMD
PCMDI
BCK
BCKI
VSS
VDD
GTOP
XUGF
XPLCK
GFS
RFCK
C2PO
XRAOF
MNT3
MNT1
MNT0
XTSL
FSTT
C4M
DOUT
EMPH
EMPHI
WFCK
SCOR
SBSO
EXCK
VSS
VDD
SYSM
–
I
–
I
I
I
O
I
O
O
I
O
I
O
I
–
–
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
I
O
O
O
I
–
–
I
Analog ground
Control voltage input for VCO
Analog power supply
EFM signal input
Asymmetry circuit constant current input
Asymmetry comparate voltage input
EFM full swing output (“L” =V
SS
, “H” =V
DD
)
Asymmetry circuit ON/OFF (“L”=OFF, “H”=ON)
D/A interface Word clock f=2fs (Not used)
D/A interface LR clock output f=Fs
D/A interface LR clock input f=Fs
D/A interface Serial data output
D/A interface Serial data input
D/A interface Bit clock output
D/A interface Bit clock input
Ground
+5V power supply
Not used
Not used
EFM decoder PLL clock output
“H” Playback EFM sync and interpolation protection timming much
Read frame clock signal output
Not used
Internal RAM overflow detection signal output (Not used)
Not used
Not used
Not used
Not used
2/3 divider output (Not used)
4.2336MHz output(Not used)
Digital audio signal output
Playback disc output in emphasis mode
“H” =Input when de
-
emphasis ON
Write frame clock signal output
Sub
-
code sync output
Sub
-
P through Sub
-
W serial output
Clock input for SBSO read
-
out
Ground
+5V power supply
System mute input
• Abbreviation
EFM : Eight to Fourteen Modulation