How could I enable the DEN_A/G signal?
I succeeded to enable the DRDY_M or INT1_A/G signal but I have nothing on this DEN_A/G.
Do you have any suggestion?
Using DEN_A/G pin is possible to perform an external trigger synchronization/stamping of gyroscope data.
For details please check this What does the DEN_A/G pin on the LSM9DS1 actually do?
I have been confused by the function name: Accelerometer and gyroscope data enable.
But as already indicated by Petr S, the answer of your link is wrong: CTRL_REG2 (11h) do not have bit 5 to 7 available!
So could you indicate how to use this DEN_A/G pin please?
I have a 2nd question: when both the accelerometer and gyroscope are activated by ODR_G, can I use only the INT_DRDY_G (Gyroscope data ready on INT 1_A/G pin. Default value: 0 (0: disabled; 1: enabled)) signal to consider that both accelerometer and gyroscope data are enable?
The answer from Petr S is correct. The register CTRL_REG2 have bits 5-7 available. The datasheet says they should be set to 0, but if you want to use the DEN_A/G functionality you have to configure these bits. If you don't need external trigger synchronization/stamping of gyroscope data you can leave this pin unconnected, it wont have influence on the sensor performance.
You can select which data ready signal will be linked to INT1_A/G pin in INT1_CTRL (0Ch) register, so you can use only data ready from gyroscope.
on your web site the datasheet is: DocID025715 Rev 3
In this datasheet:
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