LSM330 datasheet(43/75 Pages) STMICROELECTRONICS

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LSM330

The device contains a set of registers which are used to control its behavior and to retrieve

linear acceleration, angular rate and temperature data. The register addresses, made up of

7 bits, are used to identify them and to write the data through the serial interface.

8.1

WHO_AM_I_A (0Fh)

Who am I linear acceleration sensor register (r)

8.2

CTRL_REG4_A (23h)

Linear acceleration sensor control register 4 (r/w)

Table 18. WHO_AM_I_A register default value

01000000

Table 19. CTRL_REG4_A register

DR_EN

IEA

IEL

INT2_EN

INT1_EN

VFILT

STRT

Table 20. CTRL_REG4_A register description

DR_EN

DRDY signal enable on INT1_A. Default value: 0

0 = Data ready signal disabled, 1 = Data ready signal routed to INT1_A

IEA

Interrupt signal polarity. Default value: 0

0 = Interrupt signal active LOW, 1 = Interrupt signal active high

IEL

Interrupt signal latching. Default value: 0

0 = Interrupt signal latched, 1 = Interrupt signal pulsed

INT2_EN

Interrupt 2 enable on INT2_A. Default value: 0

0 = INT2_A signal disabled, 1 = INT2_A signal enable

INT1_EN

Interrupt 1 enable on INT1_A. Default value: 0

0 = INT1_A signal disabled, 1 = INT1_A signal enable

VFILT

Vector filter enable. Default value: 0

0 = Vector filter disabled, 1 = Vector filter enabled

STRT

Soft-reset bit. Default value: 0

0= no soft reset, 1= Soft-reset (POR function)

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