LIS2DUXS12 datasheet(39/104 Pages) STMICROELECTRONICS

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8.3

WHO_AM_I (0Fh)

This register is a read-only register. Its value is fixed at 47h.

Table 24. WHO_AM_I register default values

8.4

CTRL1 (10h)

R/W

Table 25. CTRL1 register

0(1)

INT1_

ON_RES

SW_

RESET

IF_ADD_

INC

DRDY_

PULSED

WU_X_EN

WU_Y_EN

WU_Z_EN

1. This bit must be set to 0 for the correct operation of the device.

Table 26. CTRL1 register description

INT1_ON_RES

Enables routing the interrupt signals configured on the INT1 pin to the RES pin. This bit is useful when the

analog hub / Qvar feature is enabled and the INT1 and INT2 pins are used to connect the external analog

lines or the electrodes to sense the Qvar signal. Default value: 0

(0: disabled; 1: enabled)

SW_RESET

Software reset, resets all CTRL registers to their default values. Default value: 0

(0: disabled; 1: enabled)

This bit is automatically reset to 0 at the end of the procedure.

IF_ADD_INC

(0: disabled;

1: enabled (default))

DRDY_PULSED

Enables pulsed data-ready mode

(0: data-ready latched mode (returns to 0 only after reading over an interface) (default);

1: data-ready pulsed mode (the data-ready pulses are typ. 90 µs long))

WU_X_EN

Enables wake-up event detection status on X-axis. Default value: 0 (0: disabled; 1: enabled)

WU_Y_EN

Enables wake-up event detection status on Y-axis. Default value: 0 (0: disabled; 1: enabled)

WU_Z_EN

Enables wake-up event detection status on Z-axis. Default value: 0 (0: disabled; 1: enabled)

LIS2DUXS12

WHO_AM_I (0Fh)

DS14035 - Rev 2

page 39/104

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