LSM6DST datasheet(171/180 Pages) STMICROELECTRONICS

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LSM6DST

Sensor hub register description

180

17.23

SLV1_ADD (18h)

I²

C slave address of the second external sensor (Sensor 2) register (r/w).

17.24

SLV1_SUBADD (19h)

Address of register on the second external sensor (Sensor 2) register (r/w).

17.25

SLAVE1_CONFIG (1Ah)

Second external sensor (Sensor 2) configuration register (r/w).

Table 422. SLV1_ADD register

Slave1_

add6

Slave1_

add5

Slave1_

add4

Slave1_

add3

Slave1_

add2

Slave1_

add1

Slave1_

add0

r_1

Table 423. SLV1_ADD register description

Slave1_add[6:0]

I²C slave address of Sensor 2 that can be read by the sensor hub.

Default value: 0000000

r_1

Read operation on Sensor 2 enable. Default value: 0

(0: read operation disabled; 1: read operation enabled)

Table 424. SLV1_SUBADD register

Slave1_

reg7

Slave1_

reg6

Slave1_

reg5

Slave1_

reg4

Slave1_

reg3

Slave1_

reg2

Slave1_

reg1

Slave1_

reg0

Table 425. SLV1_SUBADD register description

Slave1_reg[7:0]

Address of register on Sensor 2 that has to be read/written according to the r_1

bit value in

SLV1_ADD (18h).

Table 426. SLAVE1_CONFIG register

0(1)

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

0(1)

BATCH_EXT

_SENS_1

_EN

Slave1_

numop2

Slave1_

numop1

Slave1_

numop0

Table 427. SLAVE1_CONFIG register description

BATCH_EXT_SENS_1_EN Enable FIFO data batching of second slave. Default value: 0

Slave1_numop[2:0]

Number of read operations on Sensor 2. Default value: 000

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