LPC47S42X Datasheet | SMSC

FEATURES - - - - - - - - - - - - - - - - - - 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 (n IO_PME Pin) SMI Support (n IO_SMI Pin) GPIOs (39) Fan Speed Control Output Fan Tachometer Input ISA IRQ to Serial IRQ Conversion XNOR Chain PC99 and ACPI 1.0 pliant ISA Plug-and-Play patible Register Set Intelligent Auto Power Management 2.88MB Super I/O Floppy Disk Controller Licensed CMOS 765B Floppy Disk Controller Software and Register patible with SMSC's Proprietary 82077AA patible Core Configurable Open Drain/Push-Pull Output Drivers Supports Vertical Recording Format 16-Byte Data FIFO 100% IBM® patibility 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 Prepensation Modes Keyboard Controller 8042 Software patible 8-Bit Microputer 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 patible 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 Ir DA 1.0, HP-SIR, ASK IR Support Multi-Mode Parallel Port with Chi Protect™ - - - - - Standard Mode IBM PC/XT®, PC/AT®, and PS/2™ patible Bidirectional Parallel Port Enhanced Parallel Port (EPP) patible - EPP 1.7 and EPP 1.9 (IEEE 1284 pliant) IEEE 1284 pliant Enhanced Capabilities...