STTS424E02 datasheet(18/51 Pages) STMICROELECTRONICS

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Temperature sensor registers

STTS424E02

18/51

Table 6.

Capability register format

Bit15

Bit14

Bit13

Bit12

Bit11

Bit10

Bit9

Bit8

RFU

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

RFU

VHV

TRES1

TRES0

Wider

range

Higher

precision

Alarm and

critical trips

Table 7.

Capability register bit definitions

Bit

Definition

Basic capability

– 0 = Alarm and critical trips turned OFF.

– 1 = Alarm and critical trips turned ON.

Accuracy

– 0 = Accuracy ±2°C over the active range and ±3°C over the monitoring range

(C-Grade).

– 1 = High accuracy ±1°C over the active range and ±2°C over the monitoring range

(B-Grade).

Range width

– 0 = Values lower than 0°C will be clamped and represented as binary value '0'.

– 1 = Temperatures below 0°C can be read and the Sign bit will be set accordingly.

4:3

Temperature resolution

– 01 = This 10-bit value is fixed for STTS424E02, providing temperatures at 0.25°C resolution

(LSB).

(VHV) High voltage support for A0 (pin 1)

– 1 = STTS424E02 supports a voltage up to 10 volts on the A0 pin - (default)

15:6

Reserved

These values must be set to '0'.

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