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37B77X Datasheet(PDF) 2 Page - SMSC Corporation

Part No. 37B77X
Description  ENHANCED SUPER I/O CONTROLLER WITH WAKE UP FEATURES
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Maker  SMSC [SMSC Corporation]
Homepage  http://www.smsc.com
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2
-
480 Address, Up to 15 IRQ and Three
DMA Options
!"
Multi-Mode Parallel Port with ChiProtect
-
Standard Mode IBM PC/XT PC/AT,
and PS/2 Compatible Bidirectional
Parallel Port
-
Enhanced Parallel Port (EPP)
Compatible - EPP 1.7 and EPP 1.9
(IEEE 1284 Compliant)
-
IEEE 1284 Compliant Enhanced
Capabilities Port (ECP)
-
ChiProtect Circuitry for Protection
Against Damage Due to Printer Power-
On
-
480 Address, Up to 15 IRQ and
Three DMA Options
!"
ISA Host Interface
-
16 Bit Address Qualification
-
8 Bit Data Bus
-
IOCHRDY for ECP and IrCC
-
Three 8 Bit DMA Channels
-
Serial IRQ Interface Compatible with
Serialized IRQ Support for PCI Systems
-
PCI PME Interface
!"
100 Pin QFP Package
GENERAL DESCRIPTION
The FDC37B77x with advanced Consumer IR
and IrDA v1.0 support incorporates a keyboard
interface, SMSC's true CMOS 765B floppy disk
controller, advanced digital data separator, two
16C550A compatible UARTs, one Multi-Mode
parallel port which includes ChiProtect circuitry
plus EPP and ECP, on-chip 12 mA AT bus
drivers, one floppy direct drive support, and
Intelligent Power Management including PME
support. The true CMOS 765B core provides
100% compatibility with IBM PC/XT and PC/AT
architectures
in
addition
to
providing
data
overflow and underflow protection. The SMSC
advanced digital data separator incorporates
SMSC's patented data separator technology,
allowing for ease of testing and use. Both on-
chip
UARTs
are
compatible
with
the
NS16C550A.
The parallel port is compatible
with IBM PC/AT architecture, as well as IEEE
1284
EPP
and
ECP.
The
FDC37B77x
incorporates sophisticated power control circuitry
(PCC) which includes support for keyboard,
mouse, modem
ring
and consumer infrared
wake-
up events.
The PCC supports multiple low
power-down modes.
The FDC37B77x supports the ISA Plug-and-Play
Standard
(Version
1.0a)
and
provides
the
recommended functionality to support Windows
'95.
The I/O Address, DMA Channel and
hardware IRQ of each logical device in the
FDC37B77x may be reprogrammed through the
internal configuration registers.
There are 480
I/O address location options, a Serialized IRQ
interface, and three DMA channels.
The FDC37B77x does not require any external
filter components and is therefore easy to use
and offers lower system costs and reduced
board area.
The FDC37B77x is software and
register compatible with SMSC's proprietary
82077AA core.




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