w83627hf-pw Winbond Electronics Corp America, w83627hf-pw Datasheet - Page 7

• Manufacturer Part Number: w83627hf-pw
• Description: W83627hf/f W83627hg/g Winbond Lpc I/o
• Manufacturer: Winbond Electronics Corp America

2. FEATURES
General
FDC
UART
• Meet LPC Spec. 1.0
• Support LDRQ#（LPC DMA）, SERIRQ （serial IRQ）
• Include all the features of Winbond I/O W83977TF and W83977EF
• Integrate Hardware Monitor functions
• Compliant with Microsoft PC98/PC99 Hardware Design Guide
• Support DPM （Device Power Management）, ACPI
• Programmable configuration settings
• Single 24 or 48 MHz clock input
• Compatible with IBM PC AT disk drive systems
• Variable write pre-compensation with track selectable capability
• Support vertical recording format
• DMA enable logic
• 16-byte data FIFOs
• 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
• 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 3-mode FDD, and its Win95/98 driver
• Two high-speed 16550 compatible UARTs with 16-byte send/receive FIFOs
• MIDI compatible
• Fully programmable serial-interface characteristics：
signal was forced to be inactive）
─ 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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W83627HF/ F/ HG/ G
Publication Release Date: June 09, 2006
Revision 2.27