LTM4677 datasheet(93/110 Pages) AD

93 / 110 page

LTC3888-1

Rev. 0

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STATUS_CML

The STATUS_CML command returns one byte of status information on received commands, internal memory and logic.

STATUS_CML Message Contents:

BIT

MEANING

Invalid or unsupported command received.

Invalid or unsupported data received.

Packet error check failed.

Memory fault detected.

Processor fault detected.

Reserved (LTC3888-1 returns 0).

Other communication fault.

Other memory or logic fault.

ALERT can be asserted if any supported bits are set. Any supported bit may be cleared by writing a 1 to that bit position in STATUS_CML, in lieu of a

CLEAR_FAULTS command.

This command has one data byte.

STATUS_MFR_SPECIFIC

The STATUS_MFR_SPECIFIC command returns one byte with device-specific status information.

STATUS_MFR_SPECIFIC Message Contents:

BIT

MEANING

Internal temperature fault (>160°C).

Internal temperature warning (>130°C).

EEPROM CRC error.

Internal PLL unlocked.

Fault log present.

Not supported (LTC3888-1 returns 0).

Output short cycled.

FAULT low.

If any supported bits are set, the MFR bit in the STATUS_WORD will be set and ALERT may be asserted. Any supported bit may be cleared by writing a 1 to

that bit position in STATUS_MFR_SPECIFIC, in lieu of a CLEAR_FAULTS command.

This command has one data byte.

PMBus COMMAND DETAILS (Status Reporting)

LTM4677 Datasheet(PDF) 93 Page - Analog Devices

LTM4677 Datasheet(HTML) 93 Page - Analog Devices

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