F71889AD datasheet, PDF - EEWORLD Datasheet

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F71889AD: DescriptionSuper Hardware Monitor LPC I/O; File Size1MB，132 Pages; ManufacturerFINTEK; Websitehttp://www.fintek.com.tw/eng/

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F71889AD Overview

Super Hardware Monitor LPC I/O

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F71889A

Super Hardware Monitor + LPC I/O

Release Date: Sep, 2011

Version: V0.21P

Sep, 2011

V0.21P

F71889A

Table of Content

General Description ........................................................................................................ 1

Feature List ..................................................................................................................... 1

Key Specification ............................................................................................................ 4

Block Diagram ................................................................................................................ 5

Pin Configuration ............................................................................................................ 6

Pin Description ............................................................................................................... 7

6.1 Power Pin .................................................................................................................... 7

6.2 LPC Interface .............................................................................................................. 8

6.3 UART, GPIO and 80-Port ............................................................................................ 8

6.4 Parallel Port .............................................................................................................. 10

6.5 Hardware Monitor, SIR, CIR, ERP ............................................................................ 11

6.6 KBC Function ............................................................................................................ 13

6.7 CIR, GPIO, Others Function ..................................................................................... 13

6.8 ACPI Function Pins ................................................................................................... 14

Function Description ..................................................................................................... 16

7.1. Power on Strapping Option ....................................................................................... 16

7.2. Hardware Monitor...................................................................................................... 16

7.3. Hardware Monitor Register ....................................................................................... 30

7.4. Keyboard Controller .................................................................................................. 63

7.5. 80 Port ...................................................................................................................... 65

7.6. ACPI Function ........................................................................................................... 65

7.7. PECI Function ........................................................................................................... 71

7.8. SST Function ............................................................................................................ 72

7.9. TSI Function .............................................................................................................. 72

7.10. Power Saving Function ......................................................................................... 72

7.11. CIR Function ......................................................................................................... 74

7.12. Scan Code Function ............................................................................................. 75

Register Description ..................................................................................................... 76

8.1 Global Control Registers ........................................................................................... 80

8.2 UART1 Registers (CR01) .......................................................................................... 85

8.3 UART 2 Registers (CR02) ......................................................................................... 86

8.4 Parallel Port Registers (CR03) .................................................................................. 87

8.5 Hardware Monitor Registers (CR04) ......................................................................... 88

8.6 KBC Registers (CR05) .............................................................................................. 88

Sep, 2011

V0.21P

F71889A

1. General Description

The F71889A which is the featured IO chip for new generational PC system is equipped

with one IEEE 1284 parallel port, two UART ports, KBC, 80-Port (multi with COM2), CIR with

RC6 and SMK QP protocols supported and 54 GPIO pins. The F71889A integrated with

hardware monitor, 9 sets of voltage sensor, 3 sets of creative auto-controlling fans and 3

temperature sensor pins for the accurate dual current type temp. measurement for CPU

thermal diode or external transistors 2N3906.

The F71889A provides flexible features for multi-directional application. For instance,

IRQ sharing function also designed in UART feature for particular usage and accurate current

mode H/W monitor will be worth in measurement of temperature, provides 3 modes fan speed

control mechanism included Manual Mode/Speed Mode/Temperature Mode for users’

selection.

Additionally, integrated 80-Port, and 5VDUAL voltage switch and adjustable voltage

reference outputs related functions. The 80-Port is for engineering and debuging usage.

F71889A also provides 5V dual controller and some voltage reference outputs for system

application. Others, the F71889A supports newest AMD new interface TSI and Intel PECI 3.0

/SST interfaces and INTEL IBX PEAK SMBus for temperature reading. These features will

help you more and improve product value.

In order to save the current consumption when the system is in the soft off state which is

so called power saving function. The power saving function supports the system boot-on not

only by pressing the power button but also by the wake-up events (GPIO5x, CIR, RI#) . When

the system enters the S3/S4/S5 state, F71889A can cut off the VSB power rail which supplies

power source to the devices like the LAN chip, the chipset, the SIO, the audio codec, DRAM,

and etc. The PC system can be simulated to G3-like state when the system enters S3/S4/S5

states. At the G3-like state, the F71889A consumes 5VSB power rail only. The integrated two

control pins are utilized to turn on or off VSB power rail in the G3-like status. The turned on

VSB rail is supplied to a wake up device to fulfill a low power consumption system which

supports a wake up function.

Finally, the F71889A is powered by 3.3V voltage, with the LPC interface in the package

of 128-LQFP (14mm*14mm) green package.

2. Feature List

General Functions

Comply with LPC Spec. 1.1

Support DPM (Device Power Management), ACPI

Provides two UARTs, KBC and Parallel Port

-1-

Sep, 2011

V0.21P

F71889AD Related Products

	F71889AD	F71889A
Description	Super Hardware Monitor LPC I/O	Super Hardware Monitor LPC I/O

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