General Description

The F81865 is the featured IO chip for Industrial PC system. Equipped with one IEEE 1284 parallel port, 6 UART ports with 9-bit protocol, KBC, Serial Peripheral Interface (SPI), SIR and one FDC. The F81865 integrated with hardware monitor, 7 sets of voltage sensor, 2 sets of creative auto-controlling fans and 2 temperature sensor pins for the accurate dual current type temperature measurement for CPU thermal diode or external transistors

2N3906.

General Functions

Comply with LPC 1.1

Support ACPI 3.0

Provides one FDC, KBC and Parallel Port

Provide 6 fully functional UART and 1 SIR

9-bit Protocol for UARTs

Support IRQ Sharing function.

H/W monitor functions

SPI interface for BIOS

RTC function

Support PECI 1.0 interface

53 GPIO Pins for flexible application

24/48 MHz clock input

Packaged in 128-PQFP and powered by 3.3VCC