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LPC47S422QFP Datasheet(PDF) 1 Page - SMSC Corporation |
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LPC47S422QFP Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 264 page  LPC47S42x Enhanced Super I/O with LPC Interface for Server Applications 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 (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™ |
Similar Part No. - LPC47S422QFP |
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