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Visitor II
November 30, 2018
Question

For LIS3DH 3-axis accelerometer, what is the CS input pin's maximum input leakage current spec?

  • November 30, 2018
  • 1 reply
  • 693 views

I have a battery-based application, so I want to minimize power, by selecting the largest-valued pullup resistor on the CS pin, that will guarantee a high on the input.

I cannot calculate this without knowing the maximum input leakage current on the CS input pin, but I cannot find that spec in the datasheet.'

How would I find this number?

Kevin

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    1 reply

    Visitor II
    April 22, 2021

    LIS2DTW12 I²C/SPI mode selection

    I want to read LIS2DTW12 data using SPI which is also shared with another device, can I use the LIS2DTW12 CS pin as chip select and operate devices one by one.

    because according to the LIS2DTW12 datasheet:

    State of CS

    1: SPI idle mode / I²C communication enabled;

    0: SPI communication mode / I²C disabled

    i.e if cs = 1 --> I2C Enabled, read/write operation on another device will disturb the LIS2DTW12 device.