W83877ATF
Description
The W83877ATF is an enhanced version from Winbond's 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: IrDA 1.1 (MIR for 1.152M bps or FIR for 4M bps), TV remote IR, ACPI, serial IRQ, full 16-bit address decoding, and ACPI pliant.
Key Features
- Plug & Play 1.0A pliant
- Support 8 IRQs (ISA), or 15 IRQs (Serial IRQ), 4 DMA channels, and 480 Relocatable addresses
- Capable of ISA Bus IRQ Sharing
- pliant 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 FDC
- Variable write pre-pensation with track selectable capability
- DMA enable logic
- Support floppy disk drives and tape drives
