S2-LPS datasheet(59/73 Pages) STMICROELECTRONICS

59 / 73 page

Name

Addr

Default

Bit

Field name

Description

PM_CONF2

7:0

KRM[7:0]

Sets the divider

ratio (LSB) of the

rate multiplier (default:

Fsw=Fdig/4)

PM_CONF1

RESERVED

BATTERY_LVL_EN

1: enable battery level

detector circuit.

5:4

SET_BLD_TH

Set the BLD threshold:

•

00b: 2.7 V

•

01b: 2.5 V

•

10b: 2.3 V

•

11b: 2.1 V.

SMPS_LVL_MODE

•

0: SMPS output

level depends

upon the value

written in the

PM_CONFIG0

(SET_SMPS_LE

VEL field) both

in RX and TX

state.

•

1: SMPS output

level depends

upon the value

in PM_CONFIG

TX state, while

in RX state it is

fixed to 1.4 V

BYPASS_LDO

Set to 0 (default value)

1:0

RESERVED

PM_CONF0

RESERVED

6:4

SET_SMPS_LVL

SMPS output voltage:

•

000b: not used

•

001b: 1.2 V

•

010b: 1.3 V

•

011b: 1.4 V

•

100b: 1.5 V

•

101b: 1.6 V

•

110b: 1.7 V

•

111b: 1.8 V

3:1

RESERVED

SLEEP_MODE_SEL

•

0: SLEEP

without FIFO

retention

(SLEEP A)

•

1: SLEEP with

FIFO retention

(SLEEP B).

MC_STATE1

7:5

RESERVED

RCO_CAL_OK

RCO calibration

successfully

terminated.

S2-LPS

DS13831 - Rev 1

page 59/73

S2-LPS Datasheet(PDF) 59 Page - STMicroelectronics

S2-LPS Datasheet(HTML) 59 Page - STMicroelectronics

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