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W83977A Datasheet (PDF) - Winbond

W83977A Datasheet PDF - Winbond
Part # W83977A
Download  W83977A Download

File Size   1088.71 Kbytes
Page   207 Pages
Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond
Description WINBOND I/O

W83977A Datasheet (PDF)

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W83977A Datasheet PDF - Winbond

Part # W83977A
Download  W83977A Click to download

File Size   1088.71 Kbytes
Page   207 Pages
Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond
Description WINBOND I/O

W83977A Datasheet (HTML) - Winbond

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W83977A Product details

GENERAL DESCRIPTION
The W83977ATF is an evolving product from Winbonds most popular I/O chip W83877F --- which integrates the disk drive adapter, serial port (UART), IrDA 1.0 SIR, parallel port, configurable plugand-play registers for the whole chip --- plus additional powerful features: ACPI, 8042 keyboard controller with PS/2 mouse support, 23 general purpose I/O ports, full 16-bit address decoding, OnNow keyboard wake-up, OnNow mouse wake-up, and OnNow CIR wake-up. In addition, the W83977ATF provides IR functions: IrDA 1.1 (MIR for 1.152M bps or FIR for 4M bps) and TV remote IR (Consumer IR, supporting NEC, RC-5, extended RC-5, and RECS-80 protocols).

FEATURES
General
• Plug & Play 1.0A compatible
• Support 13 IRQs, 4 DMA channels, full 16-bit address decoding
• Capable of ISA Bus IRQ Sharing
• Compliant with Microsoft PC97 Hardware Design Guide
• Support DPM (Device Power Management), ACPI
• Report ACPI status interrupt by SCI signal issued from any of the 13 IQRs pins or GPIO xx
• Programmable configuration settings
• Single 24/48 Mhz clock input

FDC
• 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 signal was 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 3-mode FDD, and its Win95 driver

UART
• 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
• Internal diagnostic capabilities:
    --- Loop-back controls for communications link fault isolation
    --- Break, parity, overrun, framing error simulation
• Programmable baud generator allows division of 1.8461 Mhz and 24 Mhz by 1 to (216-1)
• Maximum baud rate up to 921k bps for 14.769 Mhz and 1.5M bps for 24 Mhz
(Continue ...)




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