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Número de pieza
componentes Descripción
FDC37M81 Ver la hoja de datos (PDF) - SMSC -> Microchip
Número de pieza
componentes Descripción
Fabricante
FDC37M81
PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
SMSC -> Microchip
FDC37M81 Datasheet PDF : 198 Pages
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DESCRIPTION OF PIN FUNCTIONS
PIN
No./QFP
45:42,
40:37
31:21
20
34
55
46
33
32
48
50
52
47
49
51
54
35
36
4
6
19
61
62
53,65,
93
NAME
TOTAL SYMBOL
PROCESSOR/HOST INTERFACE (36)
System Data Bus
8
SD[0:7]
11-bit System Address Bus
11 SA[0:10]
Chip Select/SA11 (Note 2)
1
nCS/SA11
Address Enable
1
AEN
I/O Channel Ready
1
IOCHRDY
ISA Reset Drive
1
RESET_DR
V
Serial IRQ
1
SER_IRQ
PCI Clock for Serial IRQ
(33MHz/30MHz)
1
PCI_CLK
DMA Request 1
1
DRQ1
DMA Request 2
1
DRQ2
DMA Request 3/8042 P12
1
DRQ3/P12
DMA Acknowledge 1
1
nDACK1
DMA Acknowledge 2
1
nDACK2
DMA Acknowledge 3/8042 P16
1
nDACK3/
P16
Terminal Count
1
TC
I/O Read
1
nIOR
I/O Write
1
nIOW
Power Management Event
1
nIO_PME
8042 - P17 (Note 5)
1
P17
CLOCKS (1)
14.318MHz Clock Input
1
CLOCKI
INFRARED INTERFACE (2)
Infrared Rx
1
IRRX
Infrared Tx (Note 4)
1
IRTX
POWER PINS (8)
+5 Volt Supply Voltage
VCC
6
BUFFER TYPE
PER FUNCTION
(NOTE 1)
IO12
I
I/I
I
OD12
IS
IO12
ICLK
O12
O12
O12/IO12
I
I
I/IO12
I
I
I
OD24
IO8
ICLK
I
O24PD
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