Description
The W83977EF/CTF is an evolving product from Winbond's most popular I/O chip W83877F --which integrates the disk drive adapter, serial port (UART), IrDA 1.0 SIR, parallel port, and configurable plug-and-play registers for the whole chip --- plus additional powerful features: ACPI, 8042 keyboard controller with PS/2 mouse support, 14 general purpose I/O ports, full 16-bit address decoding, OnNow keyboard Wake-Up, OnNow mouse Wake-Up and OnNow CIR(W83977CTF only) ake-Up. The disk drive adapter functions of W83977EF/CTF include a floppy disk drive controller compatible with the industry standard 82077/ 765, data separator, write pre-compensation circuit, decode logic, data rate selection, clock generator, drive interface control logic, and interrupt and DMA logic.
