STTS751-1DP3F datasheet(13/36 Pages) STMICROELECTRONICS

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STTS751

STTS751 register summary

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STTS751 register summary

The STTS751 uses 8-bit registers. Variables longer than 8 bits are managed in byte pairs.

For example, when reading a 10-bit temperature value (10 bits is the default resolution.) the

application must read two registers and then concatenate the upper byte with the 2 most

significant bits of the lower byte.

Table 9 below summarizes the register map for the device. Accessing any invalid address

results in indeterminate data.

In the following sections are the detailed descriptions of the registers along with their power-

up default values. Examples are also included.

Table 9.

Registers/pointers

Address

pointers (h)

STTS751 register map

Power-up default values

binary (dec)

Device registers name

Size

Type

Temperature value high byte

undefined

Status

undefined

Temperature value low byte

undefined

Configuration

R/W

0000 0000

Conversion rate

R/W

0000 0100

Temperature high limit high byte

R/W

0101 0101 (85 °C)

Temperature high limit low byte

R/W

0000 0000

Temperature low limit high byte

R/W

0000 0000 (0 °C)

Temperature low limit low byte

R/W

0000 0000

One-shot

N/A

THERM limit

R/W

0101 0101 (85 °C)

THERM hysteresis

R/W

0000 1010 (10 °C)

SMBus timeout enable

R/W

1000 0000 (Enabled)

Product ID register

STTS751-0

[0000 0000]

STTS751-1

[0000 0001]

Manufacturer ID

0101 0011 (53h)

Revision number

0000 0001

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