This document describes the features and characteristics of WINBOND LPC I/O W83697HF.
The W83697HF is an evolving product from Winbond's I/O family designed to provide an economical implementation of input/output interfaces using the Low Pin Count (LPC) interface. It integrates multiple functions including a floppy disk drive controller compatible with industry standards, two high-speed serial communication ports (UARTs), and hardware monitoring capabilities for system stability.
| Interface Type | LPC (Low Pin Count) |
|---|---|
| Clock Input Frequency | 24 or 48 MHz |
| Package Type | 128-pin PQFP |
| UART Baud Rate Max (14.769 MHz) | 921k bps |
| Flash ROM Support | up to 4M |
| General Purpose I/O Ports | 48 programmable ports |
The chip supports data transfer rates up to 2 Mbits per second.
Yes, it supports IrDA version 1.0 SIR protocol with a maximum baud rate of 115.2K bps.
Yes, it is made to fully comply with Microsoft PC98 and PC99 Hardware Design Guide and meet the requirements of ACPI.