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LPC4300 Boot Image Header question?

Question asked by David George on Dec 11, 2017

I have a LPC4370FET (flash-less, non AES part) that will be booted from its internal 128kB SRAM after loading the program image via USART0.  The User Manual (5.3.3) tells me I need to send a 16 byte Boot Image Header in Table 24;


  • HASH_SIZE is 16 bits – but my program image is 67 kB – how do I send the image size?
  • HASH_ACTIVE could be 00 (reserved for non secure parts) or 11 (no hash is used) – which is correct for my non-AES part?


Many thanks