| Description |
W83627THG is a Nuvoton LPC I/O product. It integrates the following major peripheral functions in a chip: the disk driver adapter (FDC), Serial port (UART), Parallel port (SPP/EPP/ECP), Keyboard controller (KBC), SIR, Game port, MIDI port, Hardware Monitor, ACPI, On Now Wake-Up features.
The disk drive adapter functions of W83627THG 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. W83627THG provides two high-speed serial communication ports (UARTs), one of which supports serial Infrared communication. Each UART includes a 16-byte send/receive FIFO, a programmable baud rate generator, complete modem control capability, and a processor interrupts system. In addition, the W83627THG provides IR functions: IrDA 1.0 (SIR for 1.152K bps)
W83627THG supports one PC-compatible printer port (SPP), Bi-directional Printer port (BPP) and also Enhanced Parallel Port (EPP) and Extended Capabilities Port (ECP). Extension FDD Mode and Extension 2FDD Mode are also available through the printer port interface pins.
W83627THG provides functions that comply with ACPI. W83627THG also has auto power management to reduce the power consumption. The keyboard controller is based on 8042 compatible instruction set with a 2K Byte programmable ROM and a 256-Byte RAM bank. Keyboard BIOS firmware are available with optional AMIKEYTM -2, Phoenix MultiKey/42TM, or customer code. W83627THG provides a set of flexible I/O control functions to the system designer through a set of General Purpose I/O ports. W83627THG is made to fully comply with Microsoft PC98 and PC99 Hardware Design Guide. W83627THG contains a game port and a MIDI port. The game port is designed to support 2 joysticks and can be applied to all standard PC game control devices. W83627THG supports hardware status monitoring for personal computers. |
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