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FDC37B72X Folha de dados(PDF) 5 Page - SMSC Corporation |
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FDC37B72X Folha de dados(HTML) 5 Page - SMSC Corporation |
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5 / 244 page  5 GENERAL DESCRIPTION The FDC37B72x incorporates a keyboard interface, SMSC's true CMOS 765B floppy disk controller, advanced digital data separator, 16 byte data FIFO, two 16C550 compatible UARTs, one Multi-Mode parallel port which includes ChiProtect circuitry plus EPP and ECP support, on-chip 12 mA AT bus drivers, and two floppy direct drive support, soft power management and SMI support and Intelligent Power Management including PME and SCI/ACPI support. The true CMOS 765B core provides 100% compatibility with IBM PC/XT and PC/AT architectures in addition to providing data overflow and underflow protection. The SMSC advanced digital data separator incorporates SMSC's patented data separator technology, allowing for ease of testing and use. Both on- chip UARTs are compatible with the NS16C550. The parallel port is compatible with IBM PC/AT architecture, as well as EPP and ECP. The FDC37B72x incorporates sophisticated power control circuitry (PCC) which includes support for keyboard, mouse, modem ring, power button support and other wake-up events. The PCC supports multiple low power down modes. The FDC37B72x provides features for compliance with the “Advanced Configuration and Power Interface Specification” (ACPI). These features include support of both legacy and ACPI power management models through the selection of SMI or SCI. It implements a power button override event (4 second button hold to turn off the system) and either edge triggered interrupts. The FDC37B72x provides support for the ISA Plug-and-Play Standard (Version 1.0a) and provides for the recommended functionality to support Windows '95/’98 and PC98/PC99. Through internal configuration registers, each of the FDC37B72x's logical device's I/O address, DMA channel and IRQ channel may be programmed. There are 480 I/O address location options, 12 IRQ pin options or Serial IRQ option, and four DMA channel options for each logical device. The FDC37B72x Floppy Disk Controller and data separator do not require any external filter components and are therefore easy to use, offer lower system cost and reduced board area. The FDC is software and register compatible with SMSC's proprietary 82077AA core. IBM, PC/XT and PC/AT are registered trademarks and PS/2 is a trademark of International Business Machines Corporation SMSC is a registered trademark and Ultra I/O, ChiProtect, and Multi-Mode are trademarks of Standard Microsystems Corporation |
Nº de peça semelhante - FDC37B72X |
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Descrição semelhante - FDC37B72X |
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