LIS3DSHTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

LIS3DSHTR

MEMS digital output motion sensor ultra low-power high performance three-axis “nano” accelerometer

STMicroelectronics 

Register description

LIS3DSH

8.26

FIFO_CTRL (2Eh)

FIFO control register.

Table 55. FIFO control register

FMODE2 FMODE1 FMODE0 WTMP4

WTMP3

WTMP2

WTMP1

WTMP4

FMODE2:FMODE0 = FIFO Mode Selection.

WTMP4:WTMP0 = FIFO Watermark pointer; FIFO deep if the Watermark is enabled.

Table 56. FIFO mode selection

FMODE2

FMODE1

0

0

0

0

0

1

FMODE0

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

Mode

Bypass Mode. FIFO turned off

FIFO Mode. Stop collecting data

when FIFO is full.

Stream Mode. If the FIFO is full

the new sample overwrites the

older one

Stream mode until trigger is de-

asserted, then FIFO mode

Bypass mode until trigger is de-

asserted, then Stream mode

Not Used

Not Used.

Bypass mode until trigger is de-

asserted, then FIFO mode

The FIFO trigger is the INT2 source.

8.27

FIFO_SRC (2Fh)

FIFO SRC control register.

Table 57.

WTM

FIFO_SRC register

OVRN_

FIFO

EMPTY

FSS4

FSS3

FSS2

FSS1

FSS0

40/53

Doc ID 022405 Rev 1

Share Link: