ISM330BX datasheet(93/150 Pages) STMICROELECTRONICS

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9.62

TDM_CFG1 (6Dh)

TDM configuration register 1 (R/W)

Table 166. TDM_CFG1 register

TDM_XL

_X_EN

TDM_XL

_Y_EN

TDM_XL

_Z_EN

TDM_AXES_

ORD_SEL_1

TDM_AXES_

ORD_SEL_0

0(1)

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

Table 167. TDM_CFG1 register description

TDM_XL_X_EN

Enables accelerometer X-axis elaboration and transmission (acts on both UI and TDM side). Disabling the X-

axis can be done only during the initialization phase, while the accelerometer is in power-down mode and

before turning on the accelerometer. The disabling of any axis is not compatible with the free-fall, 6D, or

SFLP features and could impact the behavior and performance of the other advanced functions also.

Default value: 1

(0: disabled; 1: enabled)

TDM_XL_Y_EN

Enables accelerometer Y-axis elaboration and transmission (acts on both UI and TDM side). Disabling the Y-

axis can be done only during the initialization phase, while the accelerometer is in power-down mode and

before turning on the accelerometer. The disabling of any axis is not compatible with the free-fall, 6D, or

SFLP features and could impact the behavior and performance of the other advanced functions also.

Default value: 1

(0: disabled; 1: enabled)

TDM_XL_Z_EN

Enables accelerometer Z-axis elaboration and transmission (acts on both UI and TDM side). Disabling the Z-

axis can be done only during the initialization phase, while the accelerometer is in power-down mode and

before turning on the accelerometer. The disabling of any axis is not compatible with the free-fall, 6D, or

SFLP features and could impact the behavior and performance of the other advanced functions also.

Default value: 1

(0: disabled; 1: enabled)

TDM_AXES_ORD_SEL_[1:0] Selects the order of transmission of the TDM axes (see Table 168)

Table 168. Selection of order of transmission of TDM axes

TDM_AXES_ORD_SEL_[1:0]

Order of axes

Z, Y, X

X, Z, Y

X, Y, Z

9.63

TDM_CFG2 (6Eh)

TDM configuration register 2 (R/W)

Table 169. TDM_CFG2 register

0(1)

TDM_

DATA_MASK

0(1)

TDM_FS

_XL_1

TDM_FS

_XL_0

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

Table 170. TDM_CFG2 register description

TDM_DATA_MASK

TDM outputs exception code (0x8000) until data is settled. Default value: 0

(0: disabled; 1: enabled)

TDM_FS_XL_[1:0]

TDM channel accelerometer full-scale selection:

(00: ±2 g;

01: ±4 g (default);

10: ±8 g)

ISM330BX

DS14588 - Rev 2

page 93/150

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