nRF51 S130_nrf51_2.0.1

[WernerVorster]

Hi

We are using the version 2.0.1 soft device and it consumes 8kb RAM. We have a challenge with RAM on our device so we're looking for ways to make more RAM available for our algorithms. Is there a way to reduce the RAM required by the soft device? Or is there another soft device version that we can use that uses less RAM?

Thanks

[ovrebekk]

Hi Werner

The only configuration settings that affect SoftDevice RAM usage in the S130 v2.0.1 is the number of peripherals and central links you need to support. 

There aren't really any alternative SoftDevices for the nRF51 series with lower base RAM consumption either.  

The S112 SoftDevice for the nRF52810/nRF52832 has a very low memory footprint, but then you would need to change the hardware and move to the nRF52 series. 

Are you using the 32kB RAM variant of the nRF51? 
If not, is this something you have considered?

Best regards
Torbjørn

[WernerVorster]

Thanks Torbjørn!

[WernerVorster]

Hi Torbjørn, what is the RAM requirement for ANT protocol?

[ovrebekk]

Hi Werner

The S210 ANT SoftDevice for the nRF51 series has a RAM requirement of 2.25kB. 

Best regards
Torbjørn