– 9 –
Pin No. Pin name I/O Description.
37 VCTL I VCO2 control voltage input
38 PCO O Charge-pump output to master PLL
39 FILO O Filter output to master PLL
40 FILI I Filter input for master PLL
41 AVSS – Analog ground
42 CLTV I Control voltage input for VCO
43 AVDD – Analog power supply
44 RF I EFM signal input
45 BIAS I Asymmetry circuit constant current input
46 ASYI I Asymmetry comparate voltage input
47 ASYO O EFM full swing output (“L” =VSS, “H” =VDD)
48 ASYE I Asymmetry circuit ON/OFF (“L”=OFF, “H”=ON)
49 WDCK O D/A interface Word clock f=2fs (Not used)
50 LRCK O D/A interface LR clock output f=Fs
51 LRCKI I D/A interface LR clock input f=Fs
52 PCMD O D/A interface Serial data output
53 PCMDI I D/A interface Serial data input
54 BCK O D/A interface Bit clock output
55 BCKI I D/A interface Bit clock input
56 VSS – Ground
57 VDD – +5V power supply
58 GTOP – Not used
59 XUGF – Not used
60 XPLCK O EFM decoder PLL clock output
61 GFS O “H” Playback EFM sync and interpolation protection timming much
62 RFCK O Read Frame Clock signal output
63 C2PO – Not used
64 XRAOF O Internal RAM overflow detection signal output (Not used)
65 MNT3 – Not used
66 MNT1 – Not used
67 MNT0 – Not used
68 XTSL – Not used
69 FSTT O 2/3 divider output (Not used)
70 C4M O 4.2336MHz output(Not used)
71 DOUT O Digital audio signal output
72 EMPH O Playback disc output in emphasis mode
73 EMPHI I “H” =Input when de-emphasis ON
74 WFCK O Write Frame Clock signal output
75 SCOR O Sub-code sync output
76 SBSO O Sub-P through Sub-W serial output
77 EXCK I Clock input for SBSO read-out
78 VSS – Ground
79 VDD – +5V power supply
80 SYSM I System mute input (Connected to ground)
81 — – Not used
82 AVSS – Analog ground
83 AVDD – Analog power supply
84 AOUT1 O Lch analog output
85 AIN1 I Lch opamp input
86 LOUT1 O Lch line output
87 AVSS – Analog ground
88 XVDD – Master clock power supply
89 XTAI I X’tal oscillator circuit input
90 XTAO O X’tal oscillator circuit output
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