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MPC5605 Serial Boot Code Exclusion Range 4000_000 - 4000_00ff

Question asked by Ken Woodruff on Mar 30, 2018

I'm still working on serial boot mode for an SPC5605B. I found thread 320166 which, coupled with the RAppID Bootloader Utility, has enabled me to load code into ram via the serial port. However,  The reference manual (Rev 7.1, P 96) says, "NOTE The start address is configurable, but most not lie within the 0x4000_0000 to 0x4000_00FF address range."  The example Lukas gives in thread 320166 gives a starting address of 0x4000_000. Can you tell me why the program cannot be loaded into the first 0x100 addresses of RAM?