F81865F View Datasheet(PDF) - Feature Integration Technology Inc.

Part Name

Description

Manufacturer

F81865F

Super IO with 6 UARTs

Feature Integration Technology Inc. 

Table of Content

F81865

1.

General Description ..................................................................................................................................... 5

2.

Feature List .................................................................................................................................................. 5

3.

Key Specification ......................................................................................................................................... 7

4.

Block Diagram.............................................................................................................................................. 8

5.

Pin Configuration ......................................................................................................................................... 9

6.

Pin Description........................................................................................................................................... 10

6.1 Power Pin .............................................................................................................................................. 10

6.2 LPC Interface..........................................................................................................................................11

6.3 FDC ........................................................................................................................................................11

6.4 UART ..................................................................................................................................................... 13

6.5 Parallel Port ........................................................................................................................................... 16

6.6 Hardware Monitor .................................................................................................................................. 17

6.7 SPI, GPIO, SIR...................................................................................................................................... 17

6.8 ACPI Function Pins ............................................................................................................................... 18

6.9 KBC Function ........................................................................................................................................ 19

6.10 RTC Function ........................................................................................................................................ 19

7.

Function Description .................................................................................................................................. 20

7.1. Power on Strapping Option ................................................................................................................... 20

7.2. FDC ....................................................................................................................................................... 20

7.3. UART ..................................................................................................................................................... 34

7.4. Parallel Port ........................................................................................................................................... 37

7.5. Keyboard Controller............................................................................................................................... 41

7.6. Hardware Monitor .................................................................................................................................. 43

7.7. SPI Interface.......................................................................................................................................... 64

7.8. ACPI Function ....................................................................................................................................... 65

7.9. Watchdog Timer Function...................................................................................................................... 65

7.10. RTC Function ........................................................................................................................................ 66

8.

Register Description .................................................................................................................................. 69

8.1 Global Control Registers ....................................................................................................................... 75

8.2 FDC Registers (CR00) .......................................................................................................................... 83

8.3 Parallel Port Registers (CR03) .............................................................................................................. 85

8.4 Hardware Monitor Registers (CR04) ..................................................................................................... 86

8.5 KBC Registers (CR05) .......................................................................................................................... 86

8.6 GPIO Registers (CR06)......................................................................................................................... 87

May, 2010

V0.28P

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