LIS3DH View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

LIS3DH

MEMS digital output motion sensor ultra low-power high performance 3-axes “nano” accelerometer

STMicroelectronics 

Registers description

Table 33.

HR

ST1-ST0

SIM

CTRL_REG4 description (continued)

High resolution output mode: Default value: 0

(0: High resolution disable; 1: High resolution Enable)

Self test enable. Default value: 00

(00: Self test disabled; Other: See Table 34)

SPI serial interface mode selection. Default value: 0

(0: 4-wire interface; 1: 3-wire interface).

Table 34. Self test mode configuration

ST1

ST0

Self test mode

0

0

Normal mode

0

1

Self test 0

1

0

Self test 1

1

1

--

LIS3DH

8.12

CTRL_REG5 (24h)

Table 35. CTRL_REG5 register

BOOT FIFO_EN --

-- LIR_INT1 D4D_INT1

0

0

Table 36. CTRL_REG5 description

BOOT

Reboot memory content. Default value: 0

(0: normal mode; 1: reboot memory content)

FIFO_EN

FIFO enable. Default value: 0

(0: FIFO disable; 1: FIFO Enable)

LIR_INT1

Latch interrupt request on INT1_SRC register, with INT1_SRC register

cleared by reading INT1_SRC itself. Default value: 0.

(0: interrupt request not latched; 1: interrupt request latched)

D4D_INT1

4D enable: 4D detection is enabled on INT1 when 6D bit on INT1_CFG is set

to 1.

8.13

CTRL_REG6 (25h)

Table 37. CTRL_REG6 register

I2_CLICKen I2_INT1 0

BOOT_I1 0

--

H_LACTIVE -

8.14 REFERENCE/DATACAPTURE (26h)

Table 38. REFERENCE register

Ref7

Ref6

Ref5

Ref4

Ref3

Ref2

Ref1

Ref0

32/42

Doc ID 17530 Rev 1

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