W83977EG-AW Datasheet, PDF (8/142 Pages) Nuvotem Talema – These products are not designed for use in life support appliances

W83977EF-AW/W83977EG-AW
2. FEATURES
General
y Plug & Play 1.0A compatible
y Support 12 IRQs, 4 DMA channels, full 16-bit address decoding
y Capable of ISA Bus IRQ Sharing
y Compliant with Microsoft PC98 Hardware Design Guide
y Support DPM (Device Power Management), ACPI
y Report ACPI status interrupt by SCI# signal issued from any of the 12 IQRs pins or GPIO xx
y Programmable configuration settings
y single 24/48 Mhz clock input
y
FDC
y Compatible with IBM PC AT disk drive systems
y Variable write pre-compensation with track selectable capability
y Support vertical recording format
y DMA enable logic
y 16-byte data FIFOs
y Support floppy disk drives and tape drives
y Detects all overrun and underrun conditions
y Built-in address mark detection circuit to simplify the read electronics
y FDD anti-virus functions with software write protect and FDD write enable signal (write data
signal was forced to be inactive)
y Support up to four 3.5-inch or 5.25-inch floppy disk drives
y Completely compatible with industry standard 82077
y 360K/720K/1.2M/1.44M/2.88M format; 250K, 300K, 500K, 1M, 2M bps data transfer rate
y Support 3-mode FDD, and its Win95 driver
UART
y Two high-speed 16550 compatible UARTs with 16-byte send/receive FIFOs
y MIDI compatible
y 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
y Internal diagnostic capabilities:
--- Loop-back controls for communications link fault isolation
--- Break, parity, overrun, framing error simulation
y Programmable baud generator allows division of 1.8461 Mhz and 24 Mhz by 1 to (2¹⁶-1)
y Maximum baud rate up to 921k bps for 14.769 Mhz and 1.5M bps for 24 Mhz
-6-