W83877ATG Nuvoton Technology Corporation of America, W83877ATG Datasheet - Page 9

• Manufacturer Part Number: W83877ATG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83877ATG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

2. FEATURES
General:
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FDC:
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UART:
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Plug & Play 1.0A Compliant
Support 8 IRQs (ISA), or 15 IRQs (Serial IRQ), 4 DMA channels, and 480 Relocatable addresses
Capable of ISA Bus IRQ Sharing
Compliant with Microsoft TM PC97 Hardware Design Guide
Support DPM (Device Power Management), ACPI
Report ACPI status interrupt by nSCI signal from serial IRQ pin, or from IRQ A~H pins
Single 24M or 48M Hz crystal input
Compatible with IBMTM PC AT disk drive systems
Variable write pre-compensation with track selectable capability
DMA enable logic
Support floppy disk drives and tape drives
Detects all overrun and underrun conditions
Built-in address mark detection circuit to simplify the read electronics
FDD anti-virus functions with software write protect and FDD write enable signal (write data signal
is forced to be inactive)
Support up to four 3.5-inch or 5.25-inch floppy disk drives
Completely compatible with industry standard 82077
360K/720K/1.2M/1.44M/2.88M format; 250K, 300K, 500K, 1M, 2M bps data transfer rate
Support vertical recording format
Support 3-mode FDD, and its Windows95TM driver
16-byte data FIFOs
Two high-speed 16550 compatible UARTs with 16-byte send/receive FIFOs
MIDI compatible
Fully programmable serial-interface characteristics:
− 5, 6, 7 or 8-bit characters
− Even, odd or no parity bit generation/detection
− 1, 1.5 or 2 stop bits generation
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W83877ATF/W83877ATG