LPC47S45X
Overview
- 3.3 Volt Operation (5V tolerant) Floppy Disk Controller (Supports 2 FDCs) Multi-Mode Parallel Port Two UARTs 8042 Keyboard Controller SMBus Controller - SMBus access to LCD Interface - SMBus Serial Port 2 Interface Disable - SMBus access to Power On Elapsed Time Counters - Programmable Slave Address X-Bus Interface - Supports up to four external I/O components - Offers two modes of operation - Support for Driving LCD Panel Interface Controller - Supports Port 80h “Snooping” Programmable Wakeup Event Interface (IO_PME# Pin) SMI Support (IO_SMI# Pin) GPIOs (55) Fan Controller - One Fan Speed Control Output - One Fan Tachometer Input ISA IRQ to Serial IRQ Conversion XNOR Chain for Board Test Mode PC2001 and ACPI 2.0 Compliant 128-pin QFP Package ISA Plug-and-Play Compatible Register Set Intelligent Auto Power Management Power On Elapsed Time Counters - Counter for Main Power - Counter for Standby Power Real Time Clock - MC146818 and DS1287 Compatible - 256 Bytes of Battery Backed CMOS in Two 128Byte Banks - 128 Bytes of CMOS RAM Lockable in 4x32 Byte Blocks - 12 and 24 Hour Time Format - 24-hour daily alarm - 30-day alarm - Binary and BCD Format - <1μA Standby Current (typ)
- 2.88MB Super I/O Floppy Disk Controller - Licensed CMOS 765B Floppy Disk Controller - 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 Conditions - 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 15 IRQ and Four DMA Options
- Enhanced Digital Data Separator - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates - Programmable Precompensation Modes
- Keyboard Controller - 8042 Softw