Block Memory Write/Read - Analog Devices Linear ADI Power LTM4681 Manual

PMBus COMMAND DETAILS
Table 24. Explanation of Position_Fault Values
POSITION_FAULT VALUE
0xFF
0x00
0x01
0x02
0x03
0x05
0x06
0x07
0x0A
MFR_INFO
Contact the factory for details.
MFR_IOUT_CAL_GAIN
Contact the factory for details.
MFR_FAULT_LOG_CLEAR
The MFR_FAULT_LOG_CLEAR command will erase the fault log file stored values. It will also clear bit 3 in the
STATUS_MFR_SPECIFIC command. After a clear is issued, the status can take up to 8ms to clear.
This write-only command is send bytes.

Block Memory Write/Read

COMMAND NAME CMD CODE DESCRIPTION
MFR_EE_UNLOCK 0xBD
MFR_EE_ERASE 0xBE
MFR_EE_DATA 0xBF
All the NVM commands are disabled if the die temperature exceeds 130°C. NVM commands are re-enabled when the
die temperature drops below 125°C.
MFR_EE_xxxx
The MFR_EE_xxxx commands facilitate bulk programming of the LTM4681 internal EEPROM. Contact the factory for
details.
SOURCE OF FAULT LOG
MFR_FAULT_LOG_STORE
TON_MAX_FAULT
VOUT_OV_FAULT
VOUT_UV_FAULT
IOUT_OC_FAULT
TEMP_OT_FAULT
TEMP_UT_FAULT
VIN_OV_FAULT
MFR_TEMP_2_OT_FAULT
Unlock user EEPROM for access by MFR_EE_ERASE
and MFR_EE_DATA commands.
Initialize user EEPROM for bulk programming by
MFR_EE_DATA.
Data transferred to and from EEPROM using
sequential PMBus word reads or writes. Supports bulk
programming.
For more information
TYPE PAGED
R/W Byte N
R/W Byte N
R/W N
Word
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LTM4681
DATA DEFAULT
FORMAT UNITS NVM VALUE
Reg NA
Reg NA
Reg NA
129
Rev. A