Read_frequency, Pmb_values – Maxim Integrated MAX15301 PMBus Command Set User Manual

Page 32

Advertising
background image

MAX15301 PMBus Command Set User’s Guide

Rev 1

Page 32 of 53

READ_FREQUENCY

Reference:

Standard Command

Lockable:

N/A

Command Code:

0x95

Format:

Linear

Data Bytes:

2

Units:

kHz

Transfer:

Read Word

Factory Value:

N/A

Description/Notes: See Section 18.10 of the PMBus Specification Part II.

The READ_FREQUENCY command returns the actual switching frequency in kilohertz.

The desired switching frequency is set using the

FREQUENCY_SWITCH

command.

PMB_VALUES

Reference:

Maxim Specific

Lockable:

Yes

Command Code:

0xF5

Format:

See Description

Data Bytes:

215

Units:

See Description

Transfer:

Read/Write Block

Factory Value:

See Description

Description/Notes:

This command returns most PMBus command values from the device for ease of recording the device
configuration. The command data returned is as follows:

<ON_OFF_CONFIG position="0" Type="U8" NumElem="1"/>
<WRITE_PROTECT position="1" Type="U8" NumElem="1"/>
<VOUT_COMMAND position="2" Type="Float" NumElem="1"/>
<VOUT_TRIM position="3" Type="Float" NumElem="1"/>
<VOUT_CAL_OFFSET position="4" Type="Float" NumElem="1"/>
<VOUT_MAX position="5" Type="Float" NumElem="1"/>
<VOUT_MARGIN_HIGH position="6" Type="Float" NumElem="1"/>
<VOUT_MARGIN_LOW position="7" Type="Float" NumElem="1"/>
<VOUT_TRANSITION_RATE position="8" Type="Float" NumElem="1"/>
<VOUT_DROOP position="9" Type="Float" NumElem="1"/>
<FREQUENCY_SWITCH position="10" Type="Float" NumElem="1"/>
<VIN_ON position="11" Type="Float" NumElem="1"/>
<VIN_OFF position="12" Type="Float" NumElem="1"/>
<INTERLEAVE position="13" Type="U8" NumElem="2"/>
<IOUT_CAL_GAIN position="14" Type="Float" NumElem="1"/>
<IOUT_CAL_OFFSET position="15" Type="Float" NumElem="1"/>
<VOUT_OV_FAULT_LIMIT position="16" Type="Float" NumElem="1"/>
<VOUT_OV_FAULT_RESPONSE position="17" Type="U8" NumElem="1"/>
<VOUT_UV_FAULT_LIMIT position="18" Type="Float" NumElem="1"/>
<VOUT_UV_FAULT_RESPONSE position="19" Type="U8" NumElem="1"/>
<IOUT_OC_FAULT_LIMIT position="20" Type="Float" NumElem="1"/>
<IOUT_OC_FAULT_RESPONSE position="21" Type="U8" NumElem="1"/>
<OT_FAULT_LIMIT position="22" Type="Float" NumElem="1"/>
<OT_FAULT_RESPONSE position="23" Type="U8" NumElem="1"/>
<OT_WARN_LIMIT position="24" Type="Float" NumElem="1"/>
<VIN_OV_FAULT_LIMIT position="25" Type="Float" NumElem="1"/>
<VIN_OV_FAULT_RESPONSE position="26" Type="U8" NumElem="1"/>
<VIN_UV_FAULT_LIMIT position="27" Type="Float" NumElem="1"/>
<VIN_UV_FAULT_RESPONSE position="28" Type="U8" NumElem="1"/>
<POWER_GOOD_ON position="29" Type="Float" NumElem="1"/>

Advertising