Desktop System Controller Hub with Advanced,
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 NS16C550A Compatible UARTs with Send/Receive
—Programmable Baud Rate Generator
–Supports all standard baud rates up to 115k bps
–Supports
—Modem Control Circuitry
—480 Address and 15 IRQ Options
Infrared Port
—Multi protocol Infrared Interface
—IrDA 1.0 Compliant
—SHARP ASK IR
—480 Addresses, Up to 15 IRQ
—Standard Mode IBM PC/XT®, PC/AT®, and PS/2™ Compatible
—Enhanced Parallel Port (EPP) Compatible - EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant)
—IEEE 1284 Compliant Enhanced Capabilities Port (ECP)
—ChiProtect Circuitry for Protection
—960 Address, Up to 15 IRQ and Four DMA Options
LPC Interface
—Multiplexed Command, Address and Data Bus
—Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems
—PME Interface
Power Good Output
3.3 Volt I/O
128 Pin QFP
80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631)
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Revision 0.7 | PRODUCT2 PREVIEW | SMSC SCH5617C |