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PC87309VLJ Datasheet

  • PC87309VLJ

  • PC87309 SuperI/O Plug and Play Compatible Chip in Compact 10...

  • 192頁

  • NSC

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- March 1998
Highlights
PRELIMINARY
April 1998
PC87309 SuperI/O Plug and Play Compatible Chip
in Compact 100-Pin VLJ Packaging
Highlights
General Description
The PC87309 is a single-chip solution to the most common-
ly used ISA, EISA and MicroChannel
廬
peripherals in a com-
pact, 100-pin VLJ packaging. This fully Plug and Play (PnP)
and PC97 compatible chip conforms to the
Plug and Play
ISA Specification
Version 1.0a, May 5, 1994, and meets
specifications defined in the
PC97 Hardware Design Guide.
The PC87309 incorporates: a Floppy Disk Controller (FDC),
a Mouse and Keyboard Controller (KBC), two enhanced
UARTs, one of which is with Infrared (IR) support, a full
IEEE 1284 parallel port and support for Power Management
(PM). The chip also provides a separate configuration reg-
ister set for each module.
The Infrared (IR) interface complies with the HP-SIR and
SHARP-IR standards, and supports all four basic protocols
for Consumer Remote Control circuitry (RC-5, RC-6, NEC,
RCA and RECS 80).
For flexible UART and IR support, the PC87309 offers two
operation modes:
q
Mode 1: Full-IR Mode
UART1 works as UART; UART2 works as fully IR-
compliant device
Mode 2: Two-UART Mode
Either both UARTs work as UARTs, or UART1 works
as UART and UART2 works as partially IR-compliant
device, providing only IRRX and IRTX support
q
Outstanding Features
q
Full SuperI/O functionality in compact, cost-effective
100-pin VLJ packaging
PC97 compliant
q
PC87309 Block Diagram
DMA
IRQ Channels
Floppy Drive
Interface
Data
Handshake
Plug and Play
(PnP)
Floppy Disk
Controller (FDC)
(Logical Device 0)
High Current Driver
IEEE 1284
Parallel Port
(Logical Device 1)
碌P
Address
Data and
Control
Serial Port
with IR (UART2)
(Logical Devices 2)
Serial Port
(UART1)
(Logical Devices 3)
Power Management
(PM) Logic
(Logical Device 4)
Mouse and Keyboard
Controller (KBC)
(Logical Devices 5 & 6)
Serial
Infrared
Serial
Interface
Control
Data and
Control
Ports
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
IBM
廬
, MicroChannel
廬
, PC-AT
廬
and PS/2
廬
are registered trademarks of International Business Machines Corporation.
Microsoft
廬
and Windows
廬
are registered trademarks of Microsoft Corporation.
漏
1998 National Semiconductor Corporation
www.national.com

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