LIS3DH SPI pull-up values?

[Mich1]

Posted on December 19, 2013 at 17:28

In LIS3DH datasheet (Doc ID 17530)

on figure 3 page 12/42 we can see: ''When no communication is on-going, data on CS, SPC, SDI and SDO are driven by internal pull-up resistors.''

What is the pull-up value?

Are these pull-up still active if the LIS3DH is put in power down mode?

#lis3dh-spi

[Mich1]

Posted on February 22, 2017 at 16:47

Still no support from STµ about the LIS3DH spi pull-up values?

Why is there a pull-up on SDA???? How can I guarantee that the last data bit from the microcontroller is a 1????

[Miroslav BATEK]

Posted on February 23, 2017 at 09:29

Please check the latest version of the datasheet for

http://www.st.com/resource/en/datasheet/lis3dh.pdf

.

The datasheet says 'When no communication is ongoing, data on SDO is driven by internal pull-up resistors'.

So the pull-up is only on SDO/SA0 pin, the pull-up value can be found in chapter 1.1 and it can be disabled in CTRL_REG0.

[Mich1]

Posted on June 14, 2017 at 17:48

Is this pin still driven when the LIS3DH is in Power-Down mode (ODR=000 in CTRL_REG1)