LPC47S42X
Overview
- 3.3 Volt Operation (5V Tolerant) Floppy Disk Controller (Supports Two FDCs) Multi-Mode Parallel Port Two UARTs 8042 Keyboard Controller SMBus Controller X-Bus Interface Programmable Wakeup Event Interface (nIO_PME Pin) SMI Support (nIO_SMI Pin) GPIOs (39) 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 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 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 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 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 IrDA 1.0, HP-SIR, ASK IR Support Multi-Mode Parallel Port with ChiProtect™ * * *
- - Standard Mode IBM PC/XT®, PC/AT®, and PS/2™ Co
