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FDC37M605 View Datasheet(PDF) - SMSC -> Microchip

Part NameDescriptionManufacturer
FDC37M605 Enhanced Super I/O Controller with Infrared Support SMSC
SMSC -> Microchip SMSC
FDC37M605 Datasheet PDF : 182 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
PIN
No./QFP
DESCRIPTION OF PIN FUNCTIONS
NAME
TOTAL SYMBOL
BUFFER
TYPE
PARALLEL PORT INTERFACE (17)
68:75 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
IOD16P
58
Keyboard Clock
1
KCLK
IOD16P
57
Mouse Data
1
MDAT
IOD16P
56
Mouse Clock
1
MCLK
IOD16P
64
Keyboard Reset
1
KBDRST
O4
(Note 3)
63
Gate A20
1
A20M
O4
Note 1:
Note 2:
Note 3:
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 FDC37M60x addressing modes.
The "n" as the first letter of a signal name indicates an "Active Low" signal.
KBDRST is active low.
Buffer Type Descriptions
I
Input, TTL compatible.
IS
Input with Schmitt trigger.
IOD16P Input/Output, 16mA sink, 90uA pull-up.
IO24 Input/Output, 24mA sink, 12mA source.
IO4
Input/Output, 4mA sink, 2mA source.
O4
Output, 4mA sink, 2mA source.
O24
Output, 24mA sink, 12mA source.
OD24 Output, Open Drain, 24mA sink.
ICLK Clock Input
8
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