Datasheet

MAX34451 PMBus 16-Channel V/I Monitor and
12-Channel Sequencer/Marginer
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Table 24. STATUS_MFR_SPECIFIC (80h) (for PAGES 0–11)
Table 25. STATUS_MFR_SPECIFIC (for PAGE 255)
STATUS_MFR_SPECIFIC (80h)
TheSTATUS_MFR_SPECIFICmessagecontentvariesbasedontheselectedPAGE,andisdescribedinTable24and
Table 25.
Note: The setting of the OFF and POWER_GOOD# bits do not assert the ALERT signal.
Note 1:
 SettingtheLOCKbitdoesnotasserttheALERT signal.
Note 2: Applies to all FAULTn inputs. The fault status bit is set even if the FAULTnpinisconfiguredinMFR_NV_LOG_CONFIGto
ignore FAULTn pins. If FAULT1 and FAULT2 are disabled, they do not affect this bit.
Note 3: EithertheCONTROL0orCONTROL1pincansetthisbit.ON_OFF_CONFIGmustbeconfiguredtousetheCONTROLn
pins for this status bit to function.
BIT NAME MEANING LATCHED
7 OFF
Forenabledchannels,thisbitreectstheoutputstateofthesequencerandisset
whenPSENnisnotassertedduetoeitherasequencingdelayorafault,orthepower
supply being turned off. This bit is always cleared when the channel is disabled. If
PSENnisreconguredasaGPO,thisbitdoesnotreectthestateofthepin.
No
6 0
Thisbitalwaysreturnsa0. —
5 0
Thisbitalwaysreturnsa0. —
4 0
Thisbitalwaysreturnsa0. —
3 MARGIN_FAULT This bit is set if the device cannot properly close-loop margin the power supply. Yes
2 POWER_GOOD#
Thisbitissetwhenthepower-supplyvoltagehasfallenfromPOWER_GOOD_ONto
lessthanPOWER_GOOD_OFF.Ondevicereset,thisbitissetuntilthepowersupply
isgreaterthanPOWER_GOOD_ON.
No
1 0
Thisbitalwaysreturnsa0. —
0 0
Thisbitalwaysreturnsa0. —
BIT NAME MEANING LATCHED
7 LOCK
Setwhenthedeviceispasswordprotected(Note1). No
6 FAULT_INPUT
SeteachtimeanyoftheFAULTninputsarepulledlow(Note2).
Yes
5 0
Thisbitalwaysreturnsa0. —
4 WATCHDOG_INT
Setupondeviceresetwhentheinternalwatchdoghascausedthedevicereset. Yes
3 CONTROL#
SeteachtimetheCONTROLninputsaredeasserted(Note3). Yes
2 0
Thisbitalwaysreturnsa0. —
1 0
Thisbitalwaysreturnsa0. —
0 0
Thisbitalwaysreturnsa0. —