L6751C datasheet(49/57 Pages) STMICROELECTRONICS

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L6751C

PMBus support (preliminary)

MFR_SPECIFIC_41

N(1)

RW Byte

GDC_THRESHOLD. To access the internal register to

set GDC threshold [A]

MFR_SPECIFIC_42

N(1)

RW Byte

DPM12_THRESHOLD. To access the internal register

to set the DPM12 threshold [A]

MFR_SPECIFIC_43

N(1)

RW Byte

DPM23_THRESHOLD. To access the internal register

to set the DPM23 threshold [A]

MFR_SPECIFIC_44

N(1)

RW Byte

DPM34_THRESHOLD. To access the internal register

to set the DPM34 threshold [A]

MFR_SPECIFIC_45

N(1)

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

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_EXTENDED

_COMMAND_00

R Byte

VR12_STATUS1

MFR_SPECIFIC_EXTENDED

_COMMAND_01

R Byte

VR12_STATUS2

MFR_SPECIFIC_EXTENDED

_COMMAND_02

R Byte

VR12_TEMPZONE

MFR_SPECIFIC_EXTENDED

_COMMAND_03

R Byte

VR12_IOUT

MFR_SPECIFIC_EXTENDED

_COMMAND_05

R Byte

VR12_VRTEMP

MFR_SPECIFIC_EXTENDED

_COMMAND_07

R Byte

VR12_STATUS2_LASTREAD

MFR_SPECIFIC_EXTENDED

_COMMAND_08

R Byte

VR12_ICCMAX

MFR_SPECIFIC_EXTENDED

_COMMAND_09

R Byte

VR12_TEMPMAX

MFR_SPECIFIC_EXTENDED

_COMMAND_10

R Byte

VR12_SRFAST

MFR_SPECIFIC_EXTENDED

_COMMAND_11

R Byte

VR12_SRSLOW

MFR_SPECIFIC_EXTENDED

_COMMAND_12

R Byte

VR12_VBOOT

Table 16. Supported commands (continued)

Command

Per

rail

Code

[Hex]

Mode

Comments

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