CXD1818 查看數據表（PDF） - Sony Semiconductor
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产品描述 (功能)
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CXD1818 Datasheet PDF : 112 Pages
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CXD1818R
Pin
No.
Symbol
I/O
Logic
Classification
Description
37 VSS
— — Power
VSS
38 VDD
— — Power
VDD
39 XCD
I/O Negative SCSI I/F
SCSI control bus XCD signal
40 VSS
— — Power
VSS
41 XREQ I/O Negative SCSI I/F
SCSI control bus XREQ signal
42 VSS
— — Power
VSS
43 XIO
I/O Negative SCSI I/F
SCSI control bus XIO signal
44 CM1
O
VCO Charge Pump Out Multiplier VCO charge pump output
45 AC
I
VCO Control
Multiplier VCO control voltage input
46 AVSS
—
—
Analog Power
Analog VSS
47 AVDD
—
— Analog Power Analog VDD
48 XTL2
O
System I/F
Crystal oscillation circuit output
49 XTL1
I
System I/F
Crystal oscillation circuit input
50 CLK
O
System I/F
Clock output
51 VSS
— — Power
VSS
52 VDD
— — Power
VDD
53 XRES
I Negative System I/F
CXD1818R reset signal
54 MA0
O
BufMem I/F
Address bus output bit 0 to buffer memory
55 MA1
O
BufMem I/F
Address bus output bit 1 to buffer memory
56 MA2
O
BufMem I/F
Address bus output bit 2 to buffer memory
57 MA3
O
BufMem I/F
Address bus output bit 3 to buffer memory
58 MA4
O
BufMem I/F
Address bus output bit 4 to buffer memory
59 MA5
O
BufMem I/F
Address bus output bit 5 to buffer memory
60 MA6
O
BufMem I/F
Address bus output bit 6 to buffer memory
61 VSS
— — Power
VSS
62 MA7
O
BufMem I/F
Address bus output bit 7 to buffer memory
63 MA8
O
BufMem I/F
Address bus output bit 8 to buffer memory
64 MA9
O
BufMem I/F
Address bus output bit 9 to buffer memory
65 XRAS O Negative BufMem I/F
Buffer memory RAS (Row Address Strobe) signal
66 XUCAS O Negative BufMem I/F
Buffer memory CAS (Column Address Strobe) signal
67 XLCAS O Negative BufMem I/F
Buffer memory CAS (Column Address Strobe) signal
68 XMWR O Negative BufMem I/F
Data write strobe signal to buffer memory
69 VSS
— — Power
VSS
70 VDD
— — Power
VDD
71 MDB0 I/O
BufMem I/F
Buffer memory data bus bit 0
72 MDB1 I/O
BufMem I/F
Buffer memory data bus bit 1
73 MDB2 I/O
BufMem I/F
Buffer memory data bus bit 2
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