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  Microchip Technology Semiconductor Electronic Components Datasheet  

LPC47M112 Datasheet

Enhanced Super I/O Controller

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LPC47M112
Enhanced Super I/O Controller with LPC Interface
Highlights
• 3.3 Volt Operation (5 Volt Tolerant)
• LPC Interface
• ACPI 1.0 Compliant
• Fan Control
- Fan Speed Control Outputs
- Fan Tachometer Inputs
• Programmable Wake-up Event Interface
• PC98, PC99 Compliant
• Dual Game Port Interface
• MPU-401 MIDI Support
• General Purpose Input/Output Pins
• ISA Plug-and-Play Compatible Register Set
• Intelligent Auto Power Management
• System Management Interrupt
• 2.88MB Super I/O Floppy Disk Controller
- Licensed CMOS 765B Floppy Disk Controller
- Software and Register Compatible with
Microchip's Proprietary 82077AA Compatible
Core
- Supports Two Floppy Drives Directly
- Configurable Open Drain/Push-Pull Output
Drivers
- Supports Vertical Recording Format
- 16-Byte Data FIFO
- 100% IBM Compatibility
- Detects All Overrun and Under-run Condi-
tions
- Sophisticated Power Control Circuitry (PCC)
Including Multiple Powerdown Modes for
Reduced Power Consumption
- DMA Enable Logic
- Data Rate and Drive Control Registers
- 480 Address, Up to Eight IRQ and Three
DMA Options
• Enhanced Digital Data Separator
- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250
Kbps Data Rates
- Programmable Precompensation Modes
• Keyboard Controller
- 8042 Software Compatible
- 8 Bit Microcomputer
- 2k Bytes of Program ROM
- 256 Bytes of Data RAM
2007-2017 Microchip Technology Inc.
- Four Open Drain Outputs Dedicated for Key-
board/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 Ports
- Two Full Function Serial Ports
- High Speed NS16C550 Compatible UARTs
with Send/Receive 16-Byte FIFOs
- Supports 230k and 460k Baud
- Programmable Baud Rate Generator
- Modem Control Circuitry
- 480 Address and 15 IRQ Options
• Infrared Port
- Multi-protocol Infrared Interface
- IrDA 1.0 Compliant
- SHARP ASK IR
- 480 Addresses, Up to 15 IRQ
• 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
- 480 Address, Up to 15 IRQ and Three DMA
Options
• LPC Interface
- Multiplexed Command, Address and Data
Bus
- Serial IRQ Interface Compatible with Serial-
ized IRQ Support for PCI Systems
- PME Interface
• 100-Pin QFP RoHS compliant package in a
3.2mm format
DS00002516A-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

LPC47M112 Datasheet

Enhanced Super I/O Controller

No Preview Available !

LPC47M112
TO OUR VALUED CUSTOMERS
It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip
products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and
enhanced as new volumes and updates are introduced.
If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via
E-mail at docerrors@microchip.com. We welcome your feedback.
Most Current Data Sheet
To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:
http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for cur-
rent devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the
revision of silicon and revision of document to which it applies.
To determine if an errata sheet exists for a particular device, please check with one of the following:
• Microchip’s Worldwide Web site; http://www.microchip.com
• Your local Microchip sales office (see last page)
When contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) you are
using.
Customer Notification System
Register on our web site at www.microchip.com to receive the most current information on all of our products.
DS00002516A-page 2
2007-2017 Microchip Technology Inc.


Part Number LPC47M112
Description Enhanced Super I/O Controller
Maker Microchip
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LPC47M112 Datasheet PDF






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