TWI current is up to 2mA, is this normal?

[ndc_bee]

Below is a picture of advertising event current waveform:

The TWI current consumption is upto 2mA, I change the peripheral from TWIM to TWI, the current is exactly the same, why?

Is this normal? Or can this current be lower?

Thanks

[Kenneth]

Using EasyDMA doesn't necessarily reduce current consumption, the main advantage is that it off load the processor. From your screenshot I think you are not using DCDC, so I would consider that.

[ndc_bee]

The most important is, if the TWI current can be lower? This is very important to our product.

Thanks

[Kenneth]

Check out: https://devzone.nordicsemi.com/f/nordic-q-a/35056/is-dc-dc-regulator-enabled-in-nrf52-series/134549#134549 

[ndc_bee]

I just check the 0x40000578 value is 0x00000001 which mean the DCDC enabled.

Now  I am confused if this is not enough to guarantee the chip work as DCDC mode?

[Kenneth]

And the supply voltage is? And the output power is?