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Original question:

IWR6843: FW update mechanisms

IWR6843: SECDEV documentation and compatibility

Vic
Prodigy 85 points
Part Number: IWR6843
Other Parts Discussed in Thread: AWR2944

Tool/software:

Dear,

I have been through the SEC-DEV documentation to understand the required steps for the implementation of the Secure Boot on IWR6843 but I am not sure to have access to all documentation for this chip.
All documents are written for AWR2E44P/2944P or AWR2944 even though the Release Note indicates compatibility with IWR68xx.

I have noticed some HW differences between AWR2944 and IWR6843 that can involve different implementations.

  1. AWR29 relies on Cortex M4 to run the Hardware Security Module(HSM) but this core does not exist in the IWR68 chip. How can I adapt the implementation ? The SECDEVdocumentation does not discuss this point, is there any other document ?
  2. Are other aspects of the implementation for IWR68 identical as the AWR2944 ? or TI customers are expected to figure out themselves ?
  3. Is it possible to use Security Feature as well as the Firmware Update feature provided in the SBL in the mmWaveSDK ? Do you have an example of compatible SBL ?

Thank you in advance.
Best regards,
Vic.