PC87309 Datasheet, PDF (1/192 Pages) National Semiconductor (TI) – PC87309 SuperI/O Plug and Play Compatible Chip in Compact 100-Pin VLJ Packaging

- March 1998
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^® 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
q _{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
Outstanding Features
q _{Full SuperI/O functionality in compact, cost-effective}
100-pin VLJ packaging
q _{PC97 compliant}
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)
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)
µP Address
Data and
Control
Serial ^Infrared
Serial
Interface
Control
Data and Ports
Control
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