89
HCD-SR4W
Pin No. Pin Name I/O Description
46 IGEN I Stabilized current input for operational amplifiers
47 AVDD0 — Power supply terminal (+3.3V) (analog system)
48 ASYO O EFM full-swing output terminal
49 ASYI I Asymmetry comparator voltage input terminal
50 RFAC I EFM signal input from the DVD/CD RF amplifier
51 AVSS1 — Ground terminal (analog system)
52 CLTV I Internal VCO control voltage input terminal
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 — Power supply terminal (+3.3V) (analog system)
57 BIAS I Asymmetry circuit constant current input terminal
58 VCTL I VCO control voltage input terminal for the wideband EFM PLL Not used
59 V16M O VCO oscillation output terminal for the wideband EFM PLL Not used
60 VPCO O Charge pump output terminal for the wideband EFM PLL Not used
61 DVDD2 — Power supply terminal (+3.3V) (digital system)
62 ASYE I Asymmetry circuit on/off control signal input terminal “L”: off, “H”: on Not used
63 MD2 I
Digital out on/off control signal input from the mechanism controller
“L”: digital out off, “H”: digital out on
64 DOUT O Digital audio signal output to the digital audio interface IC
65 LRCK O L/R sampling clock signal (44.1 kHz) output to the DVD decoder
66 PCMD O Serial data output to the DVD decoder
67 BCLK O Bit clock signal (2.8224 MHz) output to the DVD decoder
68 EMPH O
“L” is output when playback disc is emphasis off
“H” is output when playback disc is emphasis on Not used
69 XTSL I
Input terminal for the system clock frequency setting
“L”: 16.9344 MHz, “H”: 33.8688MHz
70 DVSS2 — Ground terminal (digital system)
71 XTAI I System clock input terminal (33.8688 MHz)
72 XTAO O System clock output terminal (33.8688 MHz) Not used
73 SOUT O Serial data output terminal Not used
74 SOCK O Serial data reading clock signal output terminal Not used
75 XOLT O Serial data latch pulse signal output terminal Not used
76 SQSO O Subcode Q data output to the mechanism controller
77 SQCK I Subcode Q data reading clock signal input from the mechanism controller
78 SCSY I Input terminal for resynchronism of guard subcode sync (S0+S1) Not used
79 SBSO O Subcode serial data output to the DVD decoder
80 EXCK I Subcode serial data reading clock signal input to the DVD decoder
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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