Table 12. status_temperature message contents, Table 13. status_cml message contents, Table 14. status_mfr_specific message contents – Rainbow Electronics MAX16064 User Manual
Page 42
MAX16064
±0.3% Accurate, Quad, Power-Supply Controller with
Active-Voltage Output Control and PMBus Interface
42
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Table 12. STATUS_TEMPERATURE Message Contents
BIT NUMBER
MEANING
7
Overtemperature fault
6
Overtemperature warning
5
Undertemperature fault
This bit is not supported. This bit always returns 0.
4
Undertemperature warning
This bit is not supported. This bit always returns 0.
3
Reserved
2
Reserved
1
Reserved
0
Reserved
Table 13. STATUS_CML Message Contents
BIT NUMBER
MEANING
7
Invalid or unsupported command received
6
Invalid or unsupported data received
5
Packet error check (PEC) failed
4
Memory fault detected
This bit is not supported. This bit always returns 0.
3
Processor fault detected
This bit is not supported. This bit always returns 0.
2
Reserved
1
A communication fault other than the ones listed in this table has occurred.
This bit is not supported. This bit always returns 0.
0
Other memory of logic fault has occurred.
This bit is not supported. This bit always returns 0.
Table 14. STATUS_MFR_SPECIFIC Message Contents
BIT NUMBER
STATUS BIT NAME
MEANING
7
EN_FAULT
EN input is below its threshold when OPERATION is on.
6
OT_WARN
Overtemperature warning (same as STATUS_TEMPERATURE bit 6).
5
OT_FAULT
Overtemperature fault (same as STATUS_TEMPERATURE bit 7).
4
ADCERR_FAULT
An ADC conversion fault has occurred.
3
N/A
This bit is reserved and always returns 0.
2
UV_WARN
A VOUT undervoltage warning has occurred (same as STATUS_VOUT bit 4).
1
UV_FAULT
A VOUT undervoltage fault has occurred (same as STATUS_VOUT bit 5).
0
OV_WARN
A VOUT overvoltage warning has occurred (same as STATUS_VOUT bit 6).
STATUS_TEMPERATURE (7Dh)
The STATUS_TEMPERATURE command returns one byte
of information with contents as described in Table 12.
STATUS_CML (7Eh)
The STATUS_CML command returns one byte of infor-
mation with contents as described in Table 13.
STATUS_MFR_SPECIFIC (80h)
The STATUS_MFR_SPECIFIC command returns one
byte of information with a summary of the reason for a
fault. The STATUS_MFR_SPECIFIC message content is
described in Table 14.