EMC1822 datasheet(72/103 Pages) MICROCHIP

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8.11.28 Therm High Limit Status Register (Address 3Ch)

Name:

THERM LIMIT STATUS

Offset:

0x3C

Note: The Therm Limit Status register contains the Status bits that are set when a temperature channel

Therm Limit is exceeded. If any of these bits are set, the THERM Status bit in the STATUS register is set.

Reading from the Therm Limit Status register will not clear the Status bits. Once the temperature drops

below the Therm Limit minus the Therm Hysteresis, the corresponding Status bits will be automatically

cleared. The THERM bit in the STATUS register will be cleared when all individual channel THERM bits

are cleared.

Bit

E4THERM

E3THERM

E2THERM

E1THERM

ITHERM

Access

Reset

Bit 4 – E4THERM

This bit is set when the External Diode 4 channel exceeds its programmed Therm Limit. When set, this bit

will assert the THERM pin.

Value

Description

THERM pin asserted

THERM pin not asserted

Bit 3 – E3THERM

This bit is set when the External Diode 3 channel exceeds its programmed Therm Limit. When set, this bit

will assert the THERM pin.

Value

Description

THERM pin asserted

THERM pin not asserted

Bit 2 – E2THERM

This bit is set when the External Diode 2 channel exceeds its programmed Therm Limit. When set, this bit

will assert the THERM pin.

Value

Description

THERM pin asserted

THERM pin not asserted

Bit 1 – E1THERM

This bit is set when the External Diode 1 channel exceeds its programmed Therm Limit. When set, this bit

will assert the THERM pin.

Value

Description

THERM pin asserted

THERM pin not asserted

Bit 0 – ITHERM

This bit is set when the Internal Diode channel exceeds its programmed Therm Limit. When set, this bit

will assert the THERM pin.

Value

Description

THERM pin asserted

Multi-Channel Low Voltage Temp Sens...

System Management Bus Protocol

Datasheet

DS20006048A-page 72

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