F71858AD
Table of Content
1. General Description............................................................................................................4
2. Feature List ........................................................................................................................4
3. Key Specification................................................................................................................6
4. Pin Configuration................................................................................................................7
5. Pin Description...................................................................................................................8
5.1 Power Pin....................................................................................................................8
5.2 LPC Interface..............................................................................................................8
5.3 Keyboard Controller ....................................................................................................9
5.4 ACPI............................................................................................................................9
5.5 H/W Monitor ..............................................................................................................10
6. Function Description......................................................................................................... 11
6.1 Power on Strapping................................................................................................... 11
6.2 Keyboard Controller .................................................................................................. 11
6.3 ACPI function ............................................................................................................13
6.4 Hardware monitor......................................................................................................18
6.5 LED function .............................................................................................................27
6.6 AMD TSI and Intel SST PECI Function.....................................................................27
6.7 Watchdog Timer Function .........................................................................................28
7. Register Description.........................................................................................................29
7.1 Global Control Registers...........................................................................................29
7.2 KBC Registers...........................................................................................................32
7.3 ACPI and PME Registers..........................................................................................34
7.4 Hardware Monitor Registers (Index port: 0x295; Data port: 0x296) ..........................38
7.5 GPIO Registers.........................................................................................................60
7.6 WDT Registers..........................................................................................................65
8. PCB Layout Guide ...........................................................................................................67
9. Electrical Characteristics..................................................................................................69
9.1 Absolute Maximum Ratings ......................................................................................69
9.2 DC Characteristics ....................................................................................................69
9.3 DC Characteristics Continued...................................................................................69
9.4 AC Characteristics ....................................................................................................71
10. Ordering Information ........................................................................................................75
11. Package Dimensions (48LQFP).......................................................................................76
12. Application Circuit.............................................................................................................77
Aug, 2010
V0.12P
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