ASM330LXH datasheet(50/56 Pages) STMICROELECTRONICS

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ASM330LXH

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STATUS_REG (1Fh)

Status register (r).

Table 76. STATUS_REG register

Table 75. FIFO_SRC example: OVR/FSS details

FTH

OVRN

FSS5

FSS4

FSS3

FSS2

FSS1

FSS0

Description

000000

FIFO empty

--(1)

1. When the number of unread samples in FIFO is greater than the threshold level set in register FIFO_CTRL

(1Ah), FTH value is ‘1’.

000011 unread sample

...

--(1)

0000032 unread sample

100000

At least one sample has

been overwritten

IG_XL

INACT

BOOT_

STATUS

TDA

GDA

XLDA

Table 77. STATUS_REG register description

IG_XL

Accelerometer interrupt output signal.

(0: no interrupt has been generated; 1: one or more interrupt events have been gener-

ated)

INACT

Inactivity interrupt output signal.

(0: no interrupt has been generated; 1: one or more interrupt events have been gener-

ated)

BOOT_

STATUS

Boot running flag signal.

(0: no boot running; 1: boot running)

TDA

Temperature sensor new data available.

(0: a new data is not yet available; 1: a new data is available)

GDA

Gyroscope new data available.

(0: a new set of data is not yet available; 1: a new set of data is available)

XLDA

Accelerometer new data available.

(0: a new set of data is not yet available; 1: a new set of data is available)

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