STTS2002 datasheet(17/52 Pages) STMICROELECTRONICS

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STTS2002

Temperature sensor registers

Doc ID 15389 Rev 5

17/52

4.1

Capability register (read-only)

This 16-bit register is read-only, and provides the TS capabilities which comply with the

minimum JEDEC TSE2002a2 specifications (see Table 6 and Table 7 on page 18). The

STTS2002 resolution is programmable via writing to pointer 08 register. The power-on

default value is 0.25 °C/LSB (10-bit).

Table 4.

Pointer register format

MSB

LSB

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

P3P2P1

Pointer/register select bits

Table 5.

Pointer register select bits (type, width, and default values)

Name

Width

(bits)

Type

(R/W)

Default state

(POR)

0000

CAPA

Thermal sensor capabilities

B-grade only

00 6F

0001

CONF

Configuration

R/W

00 00

0010

UPPER

Alarm temperature upper boundary

R/W

00 00

0011

LOWER

Alarm temperature lower boundary

R/W

00 00

0100

CRITICAL Critical temperature

R/W

00 00

0101

TEMP

Temperature

00 00

0110

MANU

Manufacturer ID

10 4A

0111

Device ID/revision

03 00

1000

TRES

Temperature resolution register

R/W

Table 6.

Capability register format

Bit15

Bit14

Bit13

Bit12

Bit11

Bit10

Bit9

Bit8

RFU

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

EVSD

TMOUT

VHV

TRES1

TRES0

Wider

range

Higher

precision

Alarm and

critical trips

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