LSM6DS33 SPI pin functions

prachi · ‎2016-11-24

Posted on November 25, 2016 at 04:59

Hi,

As per the datasheet, the pin &sharp3 of the LSM6DS33 device is used as

1. I2C serial data (SDA)

2. SPI serial data input (SDI)

3. 3-wire interface serial data output (SDO)

In what SPI mode is it used as an input (SDI) and in what mode is it used as an output (SDO)?

Does the device support both 3 and 4-wire SPI interfaces?

Regards,

Prachi

#lsm6ds33

Petr S · ‎2016-12-01

Posted on December 01, 2016 at 12:09

Hello,

The LSM6DS33 device supports both 3-wire and 4-wire SPI interfaces.

The pin #3 is used:

- as SDI and SDO together in 3-wire SPI mode

- as SDI only in 4-wire SPI mode

Please refer to the ''6.2 SPI bus interface'' section of the datasheet.

Thank you and best regards,

Petr