L6751 datasheet(51/59 Pages) STMICROELECTRONICS

51 / 59 page

L6751

PMBus support (preliminary)

Doc ID 023992 Rev 1

51/59

MFR_SPECIFIC_41

RW Byte

GDC_THRESHOLD. To access the internal register to set

GDC threshold [A]

MFR_SPECIFIC_42

RW Byte

DPM12_THRESHOLD. To access the internal register to set

the DPM12 threshold [A]

MFR_SPECIFIC_43

RW Byte

DPM23_THRESHOLD. To access the internal register to set

the DPM23 threshold [A]

MFR_SPECIFIC_44

RW Byte

DPM34_THRESHOLD. To access the internal register to set

the DPM34 threshold [A]

MFR_SPECIFIC_45

RW Byte

DPM46_THRESHOLD. To access the internal register to set

the DPM46 threshold [A]

CAPABILITY

R Byte

Provides a way for a host system to determine key

capabilities of a PMBus device, such as maximum bus speed

and PMBus alert.

VOUT_MODE

R Byte

The device operates in VID mode

PMBUS_REVISION

R Byte

Revision of the PMBus which the device is compliant to

MFR_ID

R Block

Returns the manufacturers ID

MFR_MODEL

R Block

Returns manufacturers model number

MFR_REVISION

R Block

Returns the device revision number

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_STATUS1

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_STATUS2

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_TEMPZONE

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_IOUT

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_VRTEMP

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_STATUS2_LASTREAD

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_ICCMAX

MFR_SPECIFIC_EXT

ENDED_COMMAND_

R Byte

VR12_TEMPMAX

Table 16.

Supported commands

Command

Per

Rail

Code

[Hex]

Mode

Comments

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