LPC47S45x Advanced I/O with X-Bus Interface 2.88MB Super I/O Floppy Disk Controller Highlights - Licensed CMOS 765B Floppy Disk Controller 3.3 Volt Operation (5V tolerant) - Software and Register Compatible with Floppy Disk Controller (Supports 2 FDCs) Microchip s Proprietary 82077AA Compatible Multi-Mode Parallel Port Core - Configurable Open Drain/Push-Pull Output Two UARTs Drivers 8042 Keyboard Controller - Supports Vertical Recording Format SMBus Controller - 16-Byte Data FIFO - SMBus access to LCD Interface - 100% IBM Compatibility - SMBus Serial Port 2 Interface Disable - Detects All Overrun and Underrun Conditions - SMBus access to Power On Elapsed Time - Sophisticated Power Control Circuitry (PCC) Counters Including Multiple Powerdown Modes for - Programmable Slave Address Reduced Power Consumption X-Bus Interface - DMA Enable Logic - Supports up to four external I/O components - Data Rate and Drive Control Registers - Offers two modes of operation - 480 Address, up to 15 IRQ and Four DMA - Support for Driving LCD Panel Interface Con- Options troller Enhanced Digital Data Separator - Supports Port 80h Monitoring - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Programmable Wakeup Event Interface Kbps Data Rates (IO PME Pin) - Programmable Precompensation Modes SMI Support (IO SMI Pin) Keyboard Controller GPIOs (55) - 8042 Software Compatible Fan Controller - 8-Bit Microcomputer - 2k Bytes of Program ROM - One Fan Speed Control Output - 256 Bytes of Data RAM - One Fan Tachometer Input - Four Open Drain Outputs Dedicated for Key- ISA IRQ to Serial IRQ Conversion board/Mouse Interface XNOR Chain for Board Test Mode - Asynchronous Access to Two Data Registers PC2001 and ACPI 2.0 Compliant and One Status Register 128-pin QFP Package - Supports Interrupt and Polling Access - 8-Bit Counter Timer ISA Plug-and-Play Compatible Register Set - Port 92 Support Intelligent Auto Power Management - Fast Gate A20 and KRESET Outputs Power On Elapsed Time Counters Serial Ports - Counter for Main Power - Two Full Function Serial Ports - Counter for Standby Power - High Speed NS16C550A Compatible UARTs Real Time Clock with Send/Receive 16-Byte FIFOs - MC146818 and DS1287 Compatible - Supports 230k and 460k Baud - 256 Bytes of Battery Backed CMOS in Two - Programmable Baud Rate Generator 128-Byte Banks - Modem Control Circuitry - 128 Bytes of CMOS RAM Lockable in 4x32 - 480 Address and 15 IRQ Options Byte Blocks - IrDA 1.0, HP-SIR, ASK IR Support - 12 and 24 Hour Time Format Multi-Mode Parallel Port with ChiProtect - 24-hour daily alarm - Standard Mode IBM PC/XT, PC/AT, and PS/2 - 30-day alarm Compatible Bi-directional Parallel Port - Binary and BCD Format - Enhanced Parallel Port (EPP) Compatible - -<1A Standby Current (typ) EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) 2009-2017 Microchip Technology Inc. DS00002553A-page 1LPC47S45x - IEEE 1284 Compliant Enhanced Capabilities Port (ECP) - ChiProtect Circuitry for Protection Against Damage Due to Printer Power-On - 960 Address, up to 15 IRQ and Four DMA Options 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 Systems - Power Management Event (PME) Interface Pin Power Management ACPI Registers 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: