4 ac adapter, 7 pmu07, 1 the system ec ram with pmu07 – FIC A360 User Manual

Page 94: Software functional overview

Advertising
background image

Software Functional Overview


FIC A360 Service Manual

3-37

disabled.

− The function of power-on or Resume will be inhibited until the battery low condition

is removed.

3.6.4 AC Adapter

When plug in the AC adapter, the system will do the following action:

− The charger will charge the Main Battery, if it is possible.
− The Battery Charging Indicator will turn on if the battery is in changing mode.
− The power management function will be disabled, if the Setup item of “Power

Management” is set to “Battery Only”.

3.7

PMU07

The Embedded controller PMU07 acts as a supplement for power management control. It
supports a lot of functions via SMBus interface.

3.7.1 The System EC RAM with PMU07

Embedded Controller Command Set
The EC I/F command set allows the OS to communicate with the PMU07.
For detail information refer to ACPI 1.0B specification.

EC I/F

Command

Command

Byte

Encoding

Byte

Register

R

/

W

Description

Interrupt

#1 EC_SC W

Command

byte

Header

Interrupt on
IBF=0

#2 EC_DAT

A

W

Address byte to
read

No Interrupt

Read
Embedded
Controller
(RD_EC)

0x80

#3 EC_DAT

A

R

Read data to host

Interrupt on
OBF=1

#1 EC_SC W

Command

byte

Header

Interrupt on
IBF=0

#2 EC_DAT

A

W

Address byte to
write

Interrupt on
IBF=0

Write
Embedded
Controller
(WR_EC)

0x81

#3 EC_DAT

A

W

Data to write

Interrupt on
IBF=0

#1 EC_SC W

Command

byte

Header

No Interrupt

Burst Enable
Embedded
Controller
(BE_EC)

0x82

#2 EC_DAT

A

R Burst

acknowledge byte

Interrupt on
OBF=1

Burst
Disable
Embedded
Controller
(BD_EC)

0x83 #1

EC_SC

W

Command

byte

Header

Interrupt on
IBF=0

#1 EC_SC W

Command

byte

Header

No Interrupt

Query
Embedded
Controller
(QR_EC)

0x84

#2 EC_DAT

A

R

Query value to
host

Interrupt on
OBF=1

Advertising