NXP S32K3xx: Variable data flash size

Data flash size of S32K3xx can change depending on Hardware Security Engine (HSE) firmware usage. Flash can have 3 different configurations:

• HSE firmware usage feature flag is disabled (no HSE firmware)
  
• HSE_B firmware usage feature flag is enabled (Full memory HSE firmware - HSE_FULLMEM)
  
• AB swap configuration (AB swap HSE firmware - HSE_ABSWAP)

For details about flash, see S32K3xx's reference manual, chapter Memory map.

Possible solution

1. Open Hardware | Options.

2. Select:

• HSE disabled - Default setting for a new workspace.
• Full memory HSE enabled - select only *HSE_FULLMEM.
• AB swap HSE enabled - select only *HSE_ABSWAP.
  
  

More resources in winIDEA Help

• Internal Flash Programming