CXD1812 查看數據表（PDF） - Sony Semiconductor

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CXD1812

ATAPI I/F CD-ROM DECODER

Sony Semiconductor 

Pin NO.

Symbol I/O

QFP LQFP

Description

73 71 GND

— Ground

74 72 HDBD I/O Host data bus

75 73 HDB2 I/O Host data bus

76 74 HDBC I/O Host data bus

77 75 HDB3 I/O Host data bus

78 76 VDD

— Power supply

79 77 GND

— Ground

80 78 HDBB I/O Host data bus

81 79 HDB4 I/O Host data bus

82 80 HDBA I/O Host data bus

83 81 HDB5 I/O Host data bus

84 82 GND

— Ground

85 83 HDB9 I/O Host data bus

86 84 HDB6 I/O Host data bus

87 85 HDB8 I/O Host data bus

88 86 HDB7 I/O Host data bus

89 87 HRST I Chip reset negative logic signal from host

90 88 GND

— Ground

91 89 XTL2 O Crystal oscillation circuit output

92 90 XTL1

I Crystal oscillation circuit input

93 91 MCLK O Master clock (XTL1) output

94 92 HCLK O Clock output with 1/2 the frequency of XTL1

95 93 XRST I Chip reset negative logic signal

96 94 EXCK O Subcode data read clock signal to CD DSP

97 95 SBIN

I Subcode data serial input signal from CD DSP

98 96 SCOR I Subcode sync positive logic signal from CD DSP

99 97 WFCK I Write frame clock signal from CD DSP

100 98 C2PO I C2 pointer positive logic signal from CD DSP

CXD1812Q/R

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