SMBus Controller. LPC47U32X Datasheet

LPC47U32X Controller. Datasheet pdf. Equivalent

Part LPC47U32X
Description 128 Pin Enhanced Super I/O for LPC Bus with Consumer Features and SMBus Controller
Feature ( DataSheet : ) LPC47U32x 128 Pin Enhanced Super I/O Controller for LPC Bus wi.
Manufacture SMSC Corporation
Download LPC47U32X Datasheet

( DataSheet : ) LPC47U32x 128 Pin Enha LPC47U32X Datasheet
Recommendation Recommendation Datasheet LPC47U32X Datasheet

( DataSheet : )
128 Pin Enhanced Super I/O Controller for LPC
Bus with Consumer Features and SMBus
3.3 Volt Operation (5V Tolerant)
LPC Interface
Floppy Disk Controller (Supports 2 FDCs)
Multi-Mode Parallel Port
One Full Function UART
8042 Keyboard Controller
Dual Game Port
SMBus Controller
Programmable Wakeup Event Interface
(nIO_PME Pin)
SMI Support (nIO_SMI Pin)
GPIO Pins (37)
Fan Speed Control Output
Fan Tachometer Input
ISA IRQ to Serial IRQ Conversion
XNOR Chain
PC99 and ACPI 1.0 Compliant
ISA Plug-and-Play Compatible Register Set
Intelligent Auto Power Management
2.88MB Super I/O Floppy Disk Controller
- Licensed CMOS 765B Floppy Disk
- Software and Register Compatible with
SMSC's Proprietary 82077AA
Compatible Core
- Configurable Open Drain/Push-Pull
Output Drivers
- Supports Vertical Recording Format
- 16-Byte Data FIFO
- 100% IBM® Compatibility
- Detects All Overrun and Underrun
- Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown
Modes for Reduced Power
- DMA Enable Logic
- Data Rate and Drive Control Registers
- 480 Address, up to 15 IRQ and 3 DMA
Enhanced Digital Data Separator
- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps,
250 Kbps Data Rates
- Programmable Precompensation
Keyboard Controller
- 8042 Software Compatible
- 8-Bit Microcomputer
- 2k Bytes of Program ROM
- 256 Bytes of Data RAM
- Four Open Drain Outputs Dedicated for
Keyboard/Mouse Interface
- Asynchronous Access to Two Data
Registers and One Status Register
- Supports Interrupt and Polling Access
- 8-Bit Counter Timer
- Port 92 Support
- Fast Gate A20 and KRESET Outputs
Serial Port
- One Full Function Serial Port

- High Speed NS16C550 Compatible
UART with Send/Receive 16-Byte
- Supports 230k and 460k Baud
- Programmable Baud Rate Generator
- Modem Control Circuitry
- 480 Address and 15 IRQ Options
- Second UART for MPU-401 MIDI
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-
- 480 Address, up to 15 IRQ and 3 DMA
Pin Reduced ISA Host Interface (LPC Bus)
- Multiplexed Command, Address and
Data Bus
- 8-Bit I/O Transfers
- 8-Bit DMA Transfers
- 16-Bit Address Qualification
- Serial IRQ Interface Compatible with
Serialized IRQ Support for PCI
- Power Management Event (nIO_PME)
Interface Pin
128 Pin QFP Package
The LPC47U32x* is a 3.3V PC99 compliant port is compatible with IBM PC/AT architecture,
Enhanced Super I/O controller. The LPC47U32x as well as IEEE 1284 EPP and ECP. The
implements the LPC interface, a pin reduced LPC47U32x incorporates sophisticated power
ISA interface which provides the same or better control circuitry (PCC). The PCC supports
performance as the ISA/X-bus with a substantial multiple low power modes. The LPC47U32x
savings in pins used. The part provides 37 also incorporates SMBus Controller.
GPIO pins, a dual game port interface, MPU-
401 MIDI support and ISA IRQ to serial IRQ The LPC47U32x supports the ISA Plug-and-
conversion. The part also provides a fan speed Play Standard (Version 1.0a) and provides the
control output and a fan tachometer input.
recommended functionality to support Windows
'95 and PC99. The I/O Address, DMA Channel
The LPC47U32x incorporates a keyboard and Hardware IRQ of each logical device in the
interface, SMSC's true CMOS 765B floppy disk LPC47U32x may be reprogrammed through the
controller, advanced digital data separator, one internal configuration registers. There are 480
16C550A compatible UART, one MPU-401 MIDI I/O address location options, a Serialized IRQ
UART, one Multi-Mode parallel port which interface, and three DMA channels. The
includes ChiProtect circuitry plus EPP and ECP, LPC47U32x does not require any external filter
and Intelligent Power Management including components and is therefore easy to use and
ACPI, SMI and PME support. The true CMOS offers lower system costs and reduced board
765B core provides 100% compatibility with IBM area. The LPC47U32x is software and register
PC/XT and PC/AT architectures in addition to compatible with SMSC's proprietary 82077AA
providing data overflow and underflow core.
protection. The SMSC advanced digital data
separator incorporates SMSC's patented data
IBM, PC/XT and PC/AT are registered trademarks and PS/2 is a
separator technology, allowing for ease of
trademark of International Business Machines Corporation
testing and use. The on-chip UART is
SMSC is a registered trademark and Ultra I/O, ChiProtect, and Multi-
compatible with the NS16C550A. The parallel
Mode are trademarks of Standard Microsystems Corporation
*The “x” in the part number is a designator that changes depending upon the particular BIOS used
inside the specific chip. “2” denotes AMI Keyboard BIOS and “7” denotes Phoenix 42i Keyboard

@ 2014 :: :: Semiconductors datasheet search & download site (Privacy Policy & Contact)