Hello Safety Experts,  Device: S32G398 TTTech auto has observed NCF[87] in their Safety Application. As part of Analysis, safety architect from TTTech has given below justification about disabling NCF[87] and requires clarification if the justification is acceptable as per NXP safety standards. Please provide your inputs for Q1 and Q2 below. Here is the overview and analysis from TTTech safety team:  NCF[87]: This is related to topic Network-on-Chip (NoC). Following is the description of NCF[87] Following is the high level diagram of NoC: From the above block diagram, it is clear that,  Accelerator Interconnect NoC is interfaced with System Interconnect NoC. Q1: As per our knowledge , Accelerator Interconnect NoC is only used for the communication over PCIE, PFE and USB and it’s not used for any other communication. We would like to understand from NXP whether the above statement highlighted in bold is correct. Justification for disabling this NCF in FCCU config: From the below table we can see that Accelerator Interconnect NoC is having diagnostic coverage as Medium. And with reference to the NXP assumption(snippet added below), we should have E2E protected communication to claim the functionality as safety relevant. This means , if Accelerator Interconnect NoC is only used for communication over PFE then we can claim the communication as safety relevant based on E2E protection. Question related to safety impact: Q2: When considering the below mentioned safety mechanism(Refer snippet below) with respect to NOC, we would like to understand the safety impact of disabling NCF[87] on the coverage of SM1.NOC.PKT_PROT. Also we would like to understand whether the below mentioned mechanism is only for  “Accelerator NOC” or its for the entire NoC which includes “System Interconnect, Memory Interconnect, Peripheral Interconnect, Debug Interconnect, Accelerator Interconnect”   S32G3  Regards Krishna ...その他を表示