Secure Bootloader SDK V12 and SD310

[AD1170]

Hello,

can the secure bootloader from SDK12 be used with the SD310? And if yes, what must be take care about?

THX

[bjorn-spockeli]

Hi AD1170,

I am assuming that you're using a nRF51422 with 256kB Flash and 32kB RAM. The S310 v3.0.0 is not compatible with our SDK v12.x.0 and I am not sure when Dynastream will release the next version, but it should be possible to compile the Secure Bootloader against the v3.0.0 headers.

You will only be able to perform application updates due to the limited flash size. It is not possible to perform SoftDevice + Bootloader updates since the bootloader requires 24kB, the Softdevice 112kB and the MBR 4kB, a total of 140kB. This leaves only 120kB that can be used for the application, which is also the same area that is used to store the combined S310 + BL image before the switch is performed.

Best regards

Bjørn

[bjorn-spockeli]

@AD1170 : I closed this question as it has been moved to Mypage.