Measured

Temperature

T

HIGH

T

LOW

SN1511004 ALERT PIN

(Comparator Mode)

POL = 0

SN1511004 ALERT PIN

(Interrupt Mode)

POL = 0

SN1511004 ALERT PIN

(Comparator Mode)

POL = 1

SN1511004 ALERT PIN

(Interrupt Mode)

POL = 1

Read

Read

Time

Read

20

TMP112

SBOS473F – MARCH 2009 – REVISED FEBRUARY 2018

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Figure 16. Output Transfer Function Diagrams

7.5.3.4 Fault Queue (F1/F0)

using the fault queue. The fault queue is provided to prevent a false alert as a result of environmental noise. The

fault queue requires consecutive fault measurements in order to trigger the alert function. Table 11 lists the

Table 11. TMP112 family Fault Settings

F1

F0

CONSECUTIVE FAULTS

0

0

1

0

1

2

1

0

4

1

1

6

7.5.3.5 Converter Resolution (R1 and R0)

The converter resolution bits, R1 and R0, are read-only bits. The TMP112 family converter resolution is set on

start up to 11 which sets the temperature register to a 12-bit resolution.

7.5.3.6 One-Shot (OS)

When the device is in shutdown mode, writing a 1 to the OS bit begins a single temperature conversion. During

the conversion, the OS bit reads 0. The device returns to the SHUTDOWN state at the completion of the single

conversion. For more information on the one-shot conversion mode, see the One-Shot/Conversion Ready Mode

(OS) section.

7.5.3.7 Extended Mode (EM)

The extended mode bit configures the device for normal mode operation (EM = 0) or extended mode operation

(EM = 1). In normal mode, the temperature register and the high and low limit registers use a 12-bit data format.

For more information on the extended mode, see the Extended Mode (EM) section.