EMC1186 datasheet(26/43 Pages) MICROCHIP

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Dual Channel 1°C Temperature Sensor with Hardware Thermal Shutdown and 1.8V SMBus Communications

Datasheet

Revision 1.0 (07-11-13)

SMSC EMC1186

DATASHEET

0Bh

R/W

Internal Diode High

Limit

Stores the 8-bit high limit for the

Internal Diode (mirrored at address

05h)

55h

(85°C)

Page 29

0Ch

R/W

Internal Diode Low

Limit

Stores the 8-bit low limit for the

Internal Diode (mirrored at address

06h)

00h

(0°C)

0Dh

R/W

External Diode 1

High Limit High Byte

Stores the integer portion of the

high limit for External Diode 1

(mirrored at register 07h)

55h

(85°C)

0Eh

R/W

External Diode 1 Low

Limit High Byte

Stores the integer portion of the

low limit for External Diode 1

(mirrored at register 08h)

00h

(0°C)

10h

External Diode 1

Data Low Byte

Stores the fractional data for

External Diode 1

00h

Page 27

11h

R/W

Scratchpad

Scratchpad register for software

compatibility

00h

Page 30

12h

R/W

Scratchpad

Scratchpad register for software

compatibility

00h

Page 30

13h

R/W

External Diode 1

High Limit Low Byte

Stores the fractional portion of the

high limit for External Diode 1

00h

Page 29

14h

R/W

External Diode 1 Low

Limit Low Byte

Stores the fractional portion of the

low limit for External Diode 1

00h

19h

R/W

External Diode 1

Therm Limit

Stores the 8-bit critical temperature

limit for External Diode 1

55h

(85°C)

Page 31

1Dh

R/W

SYS_SHDN

Configuration

Controls which software channels,

if any, are linked to the

SYS_SHDN pin

00h

Page 31

1Eh

Hardware Thermal

Shutdown Limit

When read, returns the selected

Hardware Thermal Shutdown Limit

N/A

Page 32

1Fh

R/W

Channel Mask

Controls the masking of individual

channels

00h

Page 32

20h

R/W

Internal Diode Therm

Limit

Stores the 8-bit critical temperature

limit for the Internal Diode

55h

(85°C

Page 31

21h

R/W

Therm Hysteresis

Stores the 8-bit hysteresis value

that applies to all Therm limits

0Ah

(10°C)

22h

R/W

Consecutive ALERT

Controls the number of out-of-limit

conditions that must occur before

an interrupt is asserted

70h

Page 33

27h

R/W

External Diode 1

Ideality Factor

Stores the ideality factor for

External Diode 1

12h

(1.008)

Page 34

Table 6.1 Register Set in Hexadecimal Order (continued)

ADDRESS

R/W

FUNCTION

DEFAULT

VALUE

PAGE

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