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FDC37M70X Datasheet(PDF) 8 Page - List of Unclassifed Manufacturers

No. de pieza FDC37M70X
Descripción Electrónicos  Enhanced Super I/O Controller with Wake-Up
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Fabricante Electrónico  ETC [List of Unclassifed Manufacturers]
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FDC37M70X Datasheet(HTML) 8 Page - List of Unclassifed Manufacturers

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DESCRIPTION OF PIN FUNCTIONS
PIN
No./QFP
NAME
TOTAL
SYMBOL
BUFFER
TYPE
92
Ring Indicator 2/8042 P16
1
nRI2/P16
I/IO24
PARALLEL PORT INTERFACE (17)
75:68
Parallel Port Data Bus
8
PD[0:7]
IO24
66
Printer Select
1
nSLCTIN
OD24/O24
67
Initiate Output
1
nINIT
OD24/O24
83
Auto Line Feed
1
nALF
OD24/O24
82
Strobe Signal
1
nSTROBE
OD24/O24
81
Busy Signal
1
BUSY
I
77
Acknowledge Handshake
1
nACK
I
80
Paper End
1
PE
I
79
Printer Selected
1
SLCT
I
78
Error at Printer
1
nERROR
I
KEYBOARD/MOUSE INTERFACE (6)
59
Keyboard Data
1
KDAT
IOD16
58
Keyboard Clock
1
KCLK
IOD16
57
Mouse Data
1
MDAT
IOD16
56
Mouse Clock
1
MCLK
IOD16
64
Keyboard Reset
1
KBDRST
(Note 3)
O4
63
Gate A20
1
A20M
O4
Note 1:
For 12 bit addressing, SA0:SA11 only, nCS should be tied to GND. For 16 bit external
address qualification, address bits SA11:SA15 can be "ORed" together and applied to nCS.
The nCS pin functions as SA11 in full 16 bit Internal Address Qualification Mode. CR24.6
controls the FDC37M70x addressing modes.
Note 2:
The "n" as the first letter of a signal name indicates an "Active Low" signal.
Note 3:
KBDRST is active low.
Note 4:
The pull-down on this pin is always active including when the output driver is tristated and
regardless of the state of internal PWRGOOD.
Note 5:
Requires external pull-up resistor.


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Descripción similar - FDC37M70X

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