pc87307 National Semiconductor Corporation, pc87307 Datasheet
pc87307
Manufacturer Part Number
pc87307
Description
Plug And Play Compatible And Pc97 Compliant Superi/o
Manufacturer
National Semiconductor Corporation
Datasheet
1.PC87307.pdf
(218 pages)
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PC87307/PC97307 Plug and Play Compatible and PC97
Compliant SuperI/O
Highlights
General Description
The PC87307/PC97307 (VUL) are functionally identical
parts that offer a single-chip solution to the most commonly
used ISA, EISA and MicroChannel
Plug and Play (PnP) compatible chip incorporates a Floppy
Disk Controller (FDC), a Keyboard and mouse Controller
(KBC), a Real-Time Clock (RTC), two fast full function
UARTs, Infrared (IR) support, a full IEEE 1284 parallel port,
three general purpose chip select signals that can be pro-
grammed for game port control, and a separate configura-
tion register set for each module. It also provides support for
power management (including a WATCHDOG timer) and
standard PC-AT address decoding for on-chip functions.
Data and
Control
Data and
(Logical Device 0)
Block Diagram
P Address
Controller (KBC)
©
Control
1998 National Semiconductor Corporation
TRI-STATE
IBM
Microsoft
Keyboard
®
, MicroChannel
Plug and Play
IRQ
®
(PnP)
Ports
and Windows
®
is a registered trademark of National Semiconductor Corporation.
Channels
DMA
®
, PC-AT
Power Management
(Logical Device 8)
®
are registered trademarks of Microsoft Corporation.
(Logical Device 2)
Real-Time Clock
(RTC and APC)
®
Logic
Control
and PS/2
Control
®
®
peripherals. This fully
are registered trademarks of International Business Machines Corporation.
High Current Driver
Data
(Logical Device 4)
Data
Parallel Port
IEEE1284
X-Bus
Handshake
Control
The Plug and Play (PnP) support in the device conforms to
the “ Plug and Play ISA Specification ” Version 1.0a, May 5,
1994.
The Infrared (IR) interface complies with the IrDA 1.0 SIR
and SHARP-IR standards, and supports all four basic pro-
tocols for Consumer-IR (TV-Remote) circuitry (RC-5, RC-5
extended, RECS80 and NEC).
Features
Interface
Serial
(Logical Devices 5 & 6)
100% compatible with Plug and Play requirements
specified in the “ Plug and Play ISA Specification ”, ISA,
EISA, and MicroChannel architectures
Meets PC97 requirements
(Logical Device 1)
Two UARTs + IR
(16550 or 16450)
Controller
Data and
Control
Mouse
Interface
Infrared
Interrupt
(Logical Device 7)
General Purpose
I/O Registers
I/O Ports
(Logical Device 3)
Separator (DDS)
Controller (FDC)
with Digital Data
Floppy Disk
(PC8477)
PRELIMINARY
March 1998
www.national.com
Floppy
Drive
Interface
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