Datasheet

MAX34451 PMBus 16-Channel V/I Monitor and
12-Channel Sequencer/Marginer
www.maximintegrated.com
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Table 34. MFR_NV_FAULT_LOG (DCh)
ThereisaFAULT_LOG_COUNT (16-bit counter) at the
beginning of each fault log that indicates which fault log
is the latest. This counter rolls over should more than
65,535 faults be logged. This counter is not cleared when
the CLEAR_NV_FAULT_LOG bit in MFR_NV_LOG_
CONFIGistoggled.The255bytesreturnedbytheMFR_
NV_FAULT_LOGcommandaredescribedinTable34.
If an error occurs while the device is attempting to write to
orcleartheMFR_NV_FAULT_LOG,thedevicesetsthe
CMLbitinSTATUS_WORD(nobitsaresetinSTATUS_
CML)andALERTisasserted(ifenabledinMFR_MODE).
USER NOTE:V
DD
mustbeabove2.9Vforthedeviceto
clearorlogdataintoMFR_NV_FAULT_LOG.
BYTE PARAMETER BYTE PARAMETER
0 00h/FAULT_LOG_INDEX 128
READ_VOUT/READ_IOUTT1PAGE11
2 FAULT_LOG_COUNT 130 READ_VOUT/READ_IOUTT2PAGE11
4 MFR_TIME_COUNT(LSW) 132 READ_VOUT/READ_IOUTT0PAGE12
6 MFR_TIME_COUNT(MSW) 134 READ_VOUT/READ_IOUTT1PAGE12
8 0000h 136 READ_VOUT/READ_IOUTT2PAGE12
10 STATUS_CML/00h 138 READ_VOUT/READ_IOUTT0PAGE13
12 STATUS_WORD 140 READ_VOUT/READ_IOUTT1PAGE13
14 STATUS_VOUT/STATUS_IOUTPAGES0/1 142 READ_VOUT/READ_IOUTT2PAGE13
16 STATUS_VOUT/STATUS_IOUTPAGES2/3 144 READ_VOUT/READ_IOUTT0PAGE14
18 STATUS_VOUT/STATUS_IOUTPAGES4/5 146 READ_VOUT/READ_IOUTT1PAGE14
20 STATUS_VOUT/STATUS_IOUTPAGES6/7 148 READ_VOUT/READ_IOUTT2PAGE14
22 STATUS_VOUT/STATUS_IOUTPAGES8/9 150 READ_VOUT/READ_IOUTT0PAGE15
24 STATUS_VOUT/STATUS_IOUTPAGES10/11 152 READ_VOUT/READ_IOUTT1PAGE15
26 STATUS_VOUT/STATUS_IOUTPAGES12/13 154 READ_VOUT/READ_IOUTT2PAGE15
28 STATUS_VOUT/STATUS_IOUTPAGES14/15 156 0000h
30
STATUS_MFR_SPECIFICPAGES0/1 158 0000h
32
STATUS_MFR_SPECIFICPAGES2/3 160 0000h
34
STATUS_MFR_SPECIFICPAGES4/5 162 0000h
36
STATUS_MFR_SPECIFICPAGES6/7 164 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE0
38 STATUS_MFR_SPECIFICPAGES8/9 166 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE1
40 STATUS_MFR_SPECIFICPAGES10/11 168 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE2
42 STATUS_MFR_SPECIFICPAGES12/13 170 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE3
44 STATUS_MFR_SPECIFICPAGES14/15 172 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE4
46 STATUS_MFR_SPECIFICPAGE255/00h 174 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE5
48 STATUS_TEMPERATUREPAGES16/17 176 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE6
50 STATUS_TEMPERATUREPAGES18/19 178 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE7
52 STATUS_TEMPERATUREPAGE20/00h 180 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE8
54 CURRENT_CHANNELS(Note4) 182 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE9
56 0000h 184 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE10
58 0000h 186 MFR_VOUT_PEAK/MFR_IOUT_PEAKPAGE11