Datasheet

MAX34451 PMBus 16-Channel V/I Monitor and
12-Channel Sequencer/Marginer
www.maximintegrated.com
Maxim Integrated
43
Table 26. MFR_MODE (D1h)
BIT NAME MEANING
15:14 0
Thesebitsalwaysreturna0.
13 ALERT
0=ALERTdisabled(devicedoesnotrespondtoARA).
1 = ALERTenabled(devicedoesrespondtoARA).
12 0 Thisbitalwaysreturnsa0.
11 SOFT_RESET Thisbitmustbeset,thenclearedandsetagainwithin8msforasoftresettooccur.
10 LOCK
Thisbitmustbeset,thenclearedandsetagainwithin8msforthedevicetobecome
password protected. This bit is cleared when the password is unlocked. The device should
only be locked and then unlocked a maximum of 256 times before either a device reset is
issued or a device power cycle occurs.
9:8 0
Thesebitsalwaysreturna0.
7:6 ADC_TIME[1:0]
ThesebitsselecttheADCconversiontime:
ADC_TIME[1:0]
00
01
10
11
ADCCONVERSIONTIME
1µs
2µs
4µs
8µs
5:4 ADC_AVERAGE[1:0]
ThesebitsselectthepostADCconversionaveraging:
ADC_AVERAGE[1:0]
00
01
10
11
ADCAVERAGING
NoAveraging
Average2Samples
Average4Samples
Average8Samples
3:0 IOUT_AVG[3:0]
These bits determine the number of samples to average before reporting the value in
MFR_IOUT_AVG:
IOUT_AVG[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
AVERAGING
1Sample
2Samples
4Samples
8Samples
16Samples
32Samples
64Samples
128Samples
IOUT_AVG[3:0]
1000
1001
1010
1011
1100
1101
1110
1111
AVERAGING
256Samples
512Samples
1024Samples
2048Samples
4096Samples
8192Samples
16,384Samples
32,768Samples