EMC1183 datasheet(34/48 Pages) MICROCHIP

34 / 48 page

Triple Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications

Datasheet

Revision 1.0 (07-11-13)

SMSC EMC1183

DATASHEET

The External Diode Fault Register indicates which of the external diodes caused the FAULT bit in the

Status Register to be set. This register is cleared when it is read.

Bit 2 - E2FLT - This bit is set if the External Diode 2 channel reported a diode fault.

Bit 1 - E1FLT - This bit is set if the External Diode 1 channel reported a diode fault.

6.11

Channel Mask Register 1Fh

The Channel Mask Register controls individual channel masking. When a channel is masked, the

ALERT / THERM2 pin will not be asserted when the masked channel reads a diode fault or out of limit

error. The channel mask does not mask the THERM pin.

Bit 2 - E2MASK - Masks the ALERT pin from asserting when the External Diode 2 channel is out of

limit or reports a diode fault.



‘0’ (default) - The External Diode 2 channel will cause the ALERT / THERM2pin to be asserted if

it is out of limit or reports a diode fault.



‘1’ - The External Diode 2 channel will not cause the ALERT / THERM2 pin to be asserted if it is

out of limit or reports a diode fault.

Bit 1 - E1MASK - Masks the ALERT / THERM2 pin from asserting when the External Diode 1 channel

is out of limit or reports a diode fault.



‘0’ (default) - The External Diode 1 channel will cause the ALERT / THERM2 pin to be asserted if

it is out of limit or reports a diode fault.



‘1’ - The External Diode 1 channel will not cause the ALERT / THERM2 pin to be asserted if it is

out of limit or reports a diode fault.

Bit 0 - INTMASK - Masks the ALERT / THERM2 pin from asserting when the Internal Diode

temperature is out of limit.



‘0’ (default) - The Internal Diode channel will cause the ALERT / THERM2 pin to be asserted if it

is out of limit.



‘1’ - The Internal Diode channel will not cause the ALERT / THERM2 pin to be asserted if it is out

of limit.

6.12

Consecutive ALERT Register 22h

Table 6.12 Channel Mask Register

ADDR.

R/W

DEFAULT

1Fh

R/W

Channel

Mask

---

MASK

INT

MASK

00h

Table 6.13 Consecutive ALERT Register

ADDR.

R/W

DEFAULT

22h

R/W

Consecutive

ALERT

TIME

OUT

CTHRM[2:0]

CALRT[2:0]

70h

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