Manual

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"/>