F81866A
F81866A
6 UARTs Super IO With 128 Bytes FIFO and Power
Saving Functions
Release Date: Jan, 2012
Version: V0.12P
Jan, 2012
V0.12P
F81866A
F81866A Datasheet Revision History
Version
V0.10P
Date
2011/10/07
Page
-
Revision History
Preliminary
1. Made Clarification & Modification
2. Update All Register Reset Type
3. Add ACPI Related Description & Timing (see section 6.8)
4. Add AMD TSI & Intel PECI 3.0 (see section 6.10)
5. Add OVP Description (see section 6.11)
6. Add Multi Function Registers
7. Update Application Circuit (Add Soft Start Circuit to 5VSB & FAN Power)
1.Made Clarification & Modification
2.PS/2 Swap Register
⎯
Index FEh, bit 3-0
3.Add ERP (Fintek G3’) Timing (Section 6.8.3)
4.Update Base Address Low Register –Index 61h Default Value
V0.11P
2011/11/09
-
V0.12P
2012/01/13
-
Please note that all data and specifications are subject to change without notice. All the trade marks of products
and companies mentioned in this data sheet belong to their respective owners.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Fintek for any damages resulting from
such improper use or sales.
Jan, 2012
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F81866A
Table of Content
1.
2.
3.
4.
5.
General Description ...................................................................................................... 11
Features ....................................................................................................................... 11
Block Diagram .............................................................................................................. 15
Pin Configuration .......................................................................................................... 16
Pin Description ............................................................................................................. 17
5.1
Power Pin ................................................................................................................ 17
5.2
Clock ....................................................................................................................... 18
5.3
LPC Interface .......................................................................................................... 18
5.4
FDC, & GPIO .......................................................................................................... 18
5.5
Parallel Port (LPT Port), & GPIO............................................................................. 20
5.6
5.7
5.8
5.9
Hardware Monitor, I2C, & GPIO .............................................................................. 21
KBC & I2C Function ................................................................................................ 22
ACPI, ERP, SIR & GPIO ......................................................................................... 23
UART, GPIO ............................................................................................................ 25
6.
Function Description ..................................................................................................... 28
6.1
Power on Strapping Option ..................................................................................... 28
6.2
FDC ......................................................................................................................... 28
6.3
Parallel Port ............................................................................................................ 29
6.4
Hardware Monitor.................................................................................................... 32
6.4.1
General Description.................................................................................................... 32
6.4.1.1
Voltage .................................................................................................................... 32
6.4.1.2
Temperature Sensor................................................................................................ 33
(1) Monitor Temperature from “thermistor” ............................................................................... 34
(2) Monitor Temperature from “thermal diode” ......................................................................... 34
Over Temperature Signal (OVT#) .............................................................................................. 34
Temperature PME#.................................................................................................................... 34
6.4.1.3
Fan .......................................................................................................................... 35
Fan speed count ........................................................................................................................ 35
Fan speed control ...................................................................................................................... 35
(1) DAC Fan Control ................................................................................................................ 36
(2) PWM duty Fan Control ....................................................................................................... 36
Fan speed control mechanism .................................................................................................. 37
(1) Manual mode...................................................................................................................... 38
(2) Auto mode .......................................................................................................................... 38
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F81866A
Stage auto mode ....................................................................................................................... 39
A. Stage auto mode (PWM Duty)............................................................................................. 39
B. Stage auto mode (RPM%)................................................................................................... 39
Linear auto mode....................................................................................................................... 40
A. Linear auto mode (PWM Duty I) .......................................................................................... 40
B. Linear auto mode (RPM%) .................................................................................................. 41
PWMOUT Duty-cycle operating process ................................................................................... 42
Fan Speed Control with Multi-temperature ................................................................................ 43
FAN_FAULT# ............................................................................................................................. 45
6.4.2
6.4.2.1
Hardware Monitor Device Registers ........................................................................... 45
Configuration Setting .............................................................................................. 45
FAN, Voltage Start up Register
⎯
Index 01h ............................................................................ 45
Case Open, Alert, OVT Mode Register
⎯
Index 02h ................................................................ 46
Case Open Status Register
⎯
Index 03h .................................................................................. 46
6.4.2.2
PECI/TSI/I2C Setting .............................................................................................. 46
⎯
Index 09h ............................................................................ 46
TSI Or IBEX Control Register
⎯
Index 08h .............................................................................. 46
I2C Address Control Register
PECI, TSI, IBEX, Beta Register
⎯
Index 0Ah ........................................................................... 47
CUP Socket Select Register
⎯
Index 0Bh ................................................................................ 47
TCC Register
⎯
Index 0Ch ....................................................................................................... 47
TSI Offset Register
⎯
Index 0Dh .............................................................................................. 48
Configuration Register
⎯
Index 0Fh ......................................................................................... 48
TSI, I2C Temperature 0 – Index E0h ......................................................................................... 48
TSI, I2C Temperature 1 – Index E1h ......................................................................................... 48
TSI, I2C Temperature 2 Low Byte – Index E2h ......................................................................... 49
TSI, I2C Temperature 2 High Byte – Index E3h ........................................................................ 49
TSI, I2C Temperature 3 – Index E4h ......................................................................................... 49
TSI, I2C Temperature 4 – Index E5h ......................................................................................... 49
TSI, I2C Temperature 5 – Index E6h ......................................................................................... 50
TSI, I2C Temperature 6 – Index E7h ......................................................................................... 50
TSI, I2C Temperature 7 – Index E8h ......................................................................................... 50
I2C Data Buffer 9 – Index E9h ................................................................................................... 50
Block Write Count Register – Index ECh ................................................................................... 51
I2C Command Byte/TSI Command Byte – Index EDh .............................................................. 51
I2C Status – Index EEh ............................................................................................................. 51
I2C Protocol Select – Index EFh ............................................................................................... 52
6.4.2.3
PECI 3.0 & Temperature Setting ............................................................................. 52
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PECI 3.0 Command and Register ............................................................................................. 52
PECI Configuration Register
⎯
Index 40h ................................................................................ 52
PECI Master Control Register
⎯
Index 41h .............................................................................. 52
PECI Master Status Register
⎯
Index 42h ............................................................................... 53
PECI Master DATA0 Register
⎯
Index 43h .............................................................................. 53
PECI Master DATA1 Register
⎯
Index 44h .............................................................................. 53
PECI Master DATA2 Register
⎯
Index 45h .............................................................................. 53
PECI Master DATA3 Register
⎯
Index 46h .............................................................................. 54
PECI Master DATA4 Register
⎯
Index 47h .............................................................................. 54
PECI Master DATA5 Register
⎯
Index 48h .............................................................................. 54
PECI Master DATA6 Register
⎯
Index 49h .............................................................................. 54
PECI Master DATA7 Register
⎯
Index 4Ah .............................................................................. 54
PECI Master DATA8 Register
⎯
Index 4Bh .............................................................................. 54
PECI Master DATA9 Register
⎯
Index 4Ch .............................................................................. 54
PECI Master DATA10 Register
⎯
Index 4Dh ............................................................................ 55
PECI Master DATA11 Register
⎯
Index 4Eh ............................................................................ 55
PECI Master DATA12 Register
⎯
Index 4Fh ............................................................................ 55
HWM Manual Control Register1
⎯
Index 50h .......................................................................... 55
HWM Manual Control Status Register 1⎯ Index 51h ............................................................... 55
HWM Manual Control Status Register 2⎯ Index 52h ............................................................... 56
HWM RAW Data Register 1⎯ Index 55h .................................................................................. 56
HWM RAW Data Register 2⎯ Index 56h .................................................................................. 56
Temperature Register ................................................................................................................ 56
Temperature PME# Enable Register
⎯
Index 60h .................................................................... 56
Temperature Interrupt Status Register
⎯
Index 61h ................................................................. 57
Temperature Real Time Status Register
⎯
Index 62h .............................................................. 57
Temperature BEEP Enable Register
⎯
Index 63h .................................................................... 58
T1 OVT and High Limit Temperature Select Register
⎯
Index 64h .......................................... 58
OVT and Alert Output Enable Register 1
⎯
Index 66h ............................................................. 59
Temperature Sensor Type Register
⎯
Index 6Bh ..................................................................... 59
TEMP1 Limit Hystersis Select Register
⎯
Index 6Ch ............................................................... 59
TEMP2 and TEMP3 Limit Hystersis Select Register
⎯
Index 6Dh ........................................... 59
DIODE OPEN Status Register
⎯
Index 6Fh ............................................................................. 60
Temperature
⎯
Index 70h- 8Dh ................................................................................................ 60
T1 Slope Adjust Register
⎯
Index 7Fh ..................................................................................... 61
Temperature Filter Select Register
⎯Index
8Eh ....................................................................... 61
6.4.2.4
Voltage Setting ........................................................................................................ 62
Jan, 2012
V0.12P
